Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

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Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Hello,

I have two computers, one with Ubuntu 14.04 and one with Ubuntu 16.04. On both computers I have configured the printer with cups to print by using my Kerberos credential in the same way and it works in 14.04 but not on 16.04.

For both /usr/bin/smbspool_krb5_wrapper is 700 and I have "AuthInfoRequired negotiate" for both in /etc/cups/printers.conf. I have made a symbolic link from /usr/lib/cups/backend/smb to /usr/bin/smbspool_krb5_wrapper. I have set "LogLevel debug" in /etc/cups/cupsd.conf.

In 16.04 the print job just stays listed forever in "lpq" while it goes through to the printer in 14.04.

This is how it looks like in /var/log/cups/error_log in 16.04 where it does not work (I have just changed my uid and gid to 1000):

[...]
D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Started with uid=0                                                                                                      
D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - AUTH_INFO_REQUIRED=negotiate                                                                                            
D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to gid=1000                                                                                                  
D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to uid=1000                                                                                                  
D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\'                                                                        
E [04/Aug/2017:16:53:36 +0200] [Job 88] Could not determine network interfaces, you must use a interfaces config line                                                          
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] [Job 88] Set job-printer-state-message to "Could not determine network interfaces, you must use a interfaces config line", current level=ERROR  
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress                                                                                                                          
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] PrinterStateChanged                                                                                                                  
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4534 (/usr/lib/cups/backend/smb) stopped with status 1.                                                                            
D [04/Aug/2017:16:53:36 +0200] [Job 88] Page = 612x792; 12,12 to 600,780                                                                                                        
D [04/Aug/2017:16:53:36 +0200] [Job 88] slow_collate=0, slow_duplex=0, slow_order=0                                                                                            
D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_comments - %!PS-Adobe-3.0                                                                                                  
D [04/Aug/2017:16:53:36 +0200] [Job 88] %!PS-Adobe-3.0                                                                                                                          
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%BoundingBox: 0 0 585 441                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%HiResBoundingBox: 0 0 585.00 441.00                                                                                                  
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Creator: GPL Ghostscript 910 (ps2write)                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%LanguageLevel: 2                                                                                                                      
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%CreationDate: D:20170804154259+02\'00\'                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Pages: 1                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] %%EndComments                                                                                                                          
D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_prolog - %%BeginProlog                                                                                                      
D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_setup - %%Page: 1 1                                                                                                        
D [04/Aug/2017:16:53:36 +0200] [Job 88] Before page loop - %%Page: 1 1                                                                                                          
D [04/Aug/2017:16:53:36 +0200] [Job 88] Copying page 1...                                                                                                                      
D [04/Aug/2017:16:53:36 +0200] [Job 88] PAGE: 1 1                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)                                                                                                                            
D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"                                                
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress                                                                                                                          
D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3                                                                                                                              
D [04/Aug/2017:16:53:36 +0200] [Job 88] pagew = 588.0, pagel = 768.0                                                                                                            
D [04/Aug/2017:16:53:36 +0200] [Job 88] bboxx = 0, bboxy = 0, bboxw = 612, bboxl = 792
D [04/Aug/2017:16:53:36 +0200] [Job 88] PageLeft = 12.0, PageRight = 600.0
D [04/Aug/2017:16:53:36 +0200] [Job 88] PageTop = 780.0, PageBottom = 12.0
D [04/Aug/2017:16:53:36 +0200] [Job 88] PageWidth = 612.0, PageLength = 792.0
D [04/Aug/2017:16:53:36 +0200] [Job 88] Wrote 1 pages...
D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4533 (/usr/lib/cups/filter/pstops) exited with no errors.
I [04/Aug/2017:16:53:36 +0200] [Job 88] Backend returned status 1 (failed)
[...]

Can somebody please help me debug what is the problem in 16.04? Thank you very much!

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Unless somebody has an "aha!" moment and figures it out immediately, could
you please file a bug in launchpad for this issue and attach the relevant
config files and logs (for samba and cups)?

https://bugs.launchpad.net/ubuntu/+source/samba/+filebug

Thanks


On Fri, Aug 4, 2017 at 12:22 PM, Van Svensson via samba <
[hidden email]> wrote:

> Hello,
>
> I have two computers, one with Ubuntu 14.04 and one with Ubuntu 16.04. On
> both computers I have configured the printer with cups to print by using my
> Kerberos credential in the same way and it works in 14.04 but not on 16.04.
>
> For both /usr/bin/smbspool_krb5_wrapper is 700 and I have
> "AuthInfoRequired negotiate" for both in /etc/cups/printers.conf. I have
> made a symbolic link from /usr/lib/cups/backend/smb to
> /usr/bin/smbspool_krb5_wrapper. I have set "LogLevel debug" in
> /etc/cups/cupsd.conf.
>
> In 16.04 the print job just stays listed forever in "lpq" while it goes
> through to the printer in 14.04.
>
> This is how it looks like in /var/log/cups/error_log in 16.04 where it
> does not work (I have just changed my uid and gid to 1000):
>
> [...]
> D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Started with uid=0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 -
> AUTH_INFO_REQUIRED=negotiate
> D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to
> gid=1000
> D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to
> uid=1000
> D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Setting KRB5CCNAME
> to \'FILE:/tmp/krb5cc_1000\'
> E [04/Aug/2017:16:53:36 +0200] [Job 88] Could not determine network
> interfaces, you must use a interfaces config line
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Set job-printer-state-message to
> "Could not determine network interfaces, you must use a interfaces config
> line", current level=ERROR
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] PrinterStateChanged
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4534
> (/usr/lib/cups/backend/smb) stopped with status 1.
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Page = 612x792; 12,12 to 600,780
> D [04/Aug/2017:16:53:36 +0200] [Job 88] slow_collate=0, slow_duplex=0,
> slow_order=0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_comments -
> %!PS-Adobe-3.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %!PS-Adobe-3.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%BoundingBox: 0 0 585 441
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%HiResBoundingBox: 0 0 585.00
> 441.00
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Creator: GPL Ghostscript 910
> (ps2write)
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%LanguageLevel: 2
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%CreationDate:
> D:20170804154259+02\'00\'
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Pages: 1
> D [04/Aug/2017:16:53:36 +0200] [Job 88] %%EndComments
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_prolog - %%BeginProlog
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_setup - %%Page: 1 1
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Before page loop - %%Page: 1 1
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Copying page 1...
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PAGE: 1 1
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> and dirty files", busy="Printing jobs and dirty files"
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress
> D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> D [04/Aug/2017:16:53:36 +0200] [Job 88] pagew = 588.0, pagel = 768.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] bboxx = 0, bboxy = 0, bboxw = 612,
> bboxl = 792
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PageLeft = 12.0, PageRight = 600.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PageTop = 780.0, PageBottom = 12.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PageWidth = 612.0, PageLength =
> 792.0
> D [04/Aug/2017:16:53:36 +0200] [Job 88] Wrote 1 pages...
> D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4533
> (/usr/lib/cups/filter/pstops) exited with no errors.
> I [04/Aug/2017:16:53:36 +0200] [Job 88] Backend returned status 1 (failed)
> [...]
>
> Can somebody please help me debug what is the problem in 16.04? Thank you
> very much!
>
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> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/options/samba
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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Thanks for your reply! I have now filed a bug in launchpad (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).

When I compare the cups error_log with 14.04 where it does work I see that 16.04 uses two backslashes when setting KRB5CCNAME while 14.04 does not use backslashes, maybe that is the problem?

Sometimes the cups error_log also have the below line "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I show below. Both this line and the line "Could not determine network interfaces, you must use a interfaces config line" maybe can give some idea on what goes wrong? The line "Printing jobs and dirty files" can maybe be ignored since it also shows up in 14.04 where it works.

D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Started with uid=0
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - AUTH_INFO_REQUIRED=negotiate
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Switching to gid=1000
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Switching to uid=1000
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\'
D [05/Aug/2017:12:52:04 +0200] [Client 12] HTTP_STATE_WAITING Closing for error 32 (Broken pipe)
D [05/Aug/2017:12:52:04 +0200] [Client 12] Closing connection.
D [05/Aug/2017:12:52:04 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"
E [05/Aug/2017:12:52:04 +0200] [Job 89] Could not determine network interfaces, you must use a interfaces config line

Thanks for any ideas!

Andreas Hasenack wrote:

> Unless somebody has an "aha!" moment and figures it out immediately, could
> you please file a bug in launchpad for this issue and attach the relevant
> config files and logs (for samba and cups)?
>
> On Fri, Aug 4, 2017 at 12:22 PM, Van Svensson wrote:
>
> > Hello,
> >
> > I have two computers, one with Ubuntu 14.04 and one with Ubuntu 16.04. On
> > both computers I have configured the printer with cups to print by using my
> > Kerberos credential in the same way and it works in 14.04 but not on 16.04.
> >
> > For both /usr/bin/smbspool_krb5_wrapper is 700 and I have
> > "AuthInfoRequired negotiate" for both in /etc/cups/printers.conf. I have
> > made a symbolic link from /usr/lib/cups/backend/smb to
> > /usr/bin/smbspool_krb5_wrapper. I have set "LogLevel debug" in
> > /etc/cups/cupsd.conf.
> >
> > In 16.04 the print job just stays listed forever in "lpq" while it goes
> > through to the printer in 14.04.
> >
> > This is how it looks like in /var/log/cups/error_log in 16.04 where it
> > does not work (I have just changed my uid and gid to 1000):
> >
> > [...]
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Started with uid=0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 -
> > AUTH_INFO_REQUIRED=negotiate
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to
> > gid=1000
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Switching to
> > uid=1000
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] SMBSPOOL_KRB5 - Setting KRB5CCNAME
> > to \'FILE:/tmp/krb5cc_1000\'
> > E [04/Aug/2017:16:53:36 +0200] [Job 88] Could not determine network
> > interfaces, you must use a interfaces config line
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Set job-printer-state-message to
> > "Could not determine network interfaces, you must use a interfaces config
> > line", current level=ERROR
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] PrinterStateChanged
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4534
> > (/usr/lib/cups/backend/smb) stopped with status 1.
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Page = 612x792; 12,12 to 600,780
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] slow_collate=0, slow_duplex=0,
> > slow_order=0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_comments -
> > %!PS-Adobe-3.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %!PS-Adobe-3.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%BoundingBox: 0 0 585 441
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%HiResBoundingBox: 0 0 585.00
> > 441.00
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Creator: GPL Ghostscript 910
> > (ps2write)
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%LanguageLevel: 2
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%CreationDate:
> > D:20170804154259+02\'00\'
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%Pages: 1
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] %%EndComments
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_prolog - %%BeginProlog
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Before copy_setup - %%Page: 1 1
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Before page loop - %%Page: 1 1
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Copying page 1...
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PAGE: 1 1
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(---J-)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] cupsdMarkDirty(----S)
> > D [04/Aug/2017:16:53:36 +0200] cupsdSetBusyState: newbusy="Printing jobs
> > and dirty files", busy="Printing jobs and dirty files"
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] JobProgress
> > D [04/Aug/2017:16:53:36 +0200] [Notifier] state=3
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] pagew = 588.0, pagel = 768.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] bboxx = 0, bboxy = 0, bboxw = 612,
> > bboxl = 792
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PageLeft = 12.0, PageRight = 600.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PageTop = 780.0, PageBottom = 12.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PageWidth = 612.0, PageLength =
> > 792.0
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] Wrote 1 pages...
> > D [04/Aug/2017:16:53:36 +0200] [Job 88] PID 4533
> > (/usr/lib/cups/filter/pstops) exited with no errors.
> > I [04/Aug/2017:16:53:36 +0200] [Job 88] Backend returned status 1 (failed)
> > [...]
> >
> > Can somebody please help me debug what is the problem in 16.04? Thank you
> > very much!
> >
> > --
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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
On Sat, 5 Aug 2017 13:06:18 +0200
Van Svensson via samba <[hidden email]> wrote:

> Thanks for your reply! I have now filed a bug in launchpad
> (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
>
> When I compare the cups error_log with 14.04 where it does work I see
> that 16.04 uses two backslashes when setting KRB5CCNAME while 14.04
> does not use backslashes, maybe that is the problem?
>
> Sometimes the cups error_log also have the below line
> "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I show
> below. Both this line and the line "Could not determine network
> interfaces, you must use a interfaces config line" maybe can give
> some idea on what goes wrong? The line "Printing jobs and dirty
> files" can maybe be ignored since it also shows up in 14.04 where it
> works.
>

It might help if you could tell us what versions of Samba you are using
(it might shock you, but some people don't use Ubuntu ), it would also
be a good idea to post your smb.conf files.

Rowland
 

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Rowland Penny wrote:

> On Sat, 5 Aug 2017 13:06:18 +0200
> Van Svensson via samba <[hidden email]> wrote:
>
> > Thanks for your reply! I have now filed a bug in launchpad
> > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> >
> > When I compare the cups error_log with 14.04 where it does work I see
> > that 16.04 uses two backslashes when setting KRB5CCNAME while 14.04
> > does not use backslashes, maybe that is the problem?
> >
> > Sometimes the cups error_log also have the below line
> > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I show
> > below. Both this line and the line "Could not determine network
> > interfaces, you must use a interfaces config line" maybe can give
> > some idea on what goes wrong? The line "Printing jobs and dirty
> > files" can maybe be ignored since it also shows up in 14.04 where it
> > works.
>
> It might help if you could tell us what versions of Samba you are using
> (it might shock you, but some people don't use Ubuntu ), it would also
> be a good idea to post your smb.conf files.

I attach the smb.conf file which is exactly the same for both Ubuntu 14.04 and 16.04. On 14.04 I have Samba version 2:4.3.11+dfsg-0ubuntu0.14.04.10 and on 16.04 I have 2:4.3.11+dfsg-0ubuntu0.16.04.9.

Thanks / Van
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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Van Svensson wrote:

> Rowland Penny wrote:
>
> > On Sat, 5 Aug 2017 13:06:18 +0200
> > Van Svensson via samba <[hidden email]> wrote:
> >
> > > Thanks for your reply! I have now filed a bug in launchpad
> > > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> > >
> > > When I compare the cups error_log with 14.04 where it does work I see
> > > that 16.04 uses two backslashes when setting KRB5CCNAME while 14.04
> > > does not use backslashes, maybe that is the problem?
> > >
> > > Sometimes the cups error_log also have the below line
> > > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I show
> > > below. Both this line and the line "Could not determine network
> > > interfaces, you must use a interfaces config line" maybe can give
> > > some idea on what goes wrong? The line "Printing jobs and dirty
> > > files" can maybe be ignored since it also shows up in 14.04 where it
> > > works.
> >
> > It might help if you could tell us what versions of Samba you are using
> > (it might shock you, but some people don't use Ubuntu ), it would also
> > be a good idea to post your smb.conf files.
>
> The smb.conf file is exactly the same for both Ubuntu 14.04 and 16.04.
> On 14.04 I have Samba version 2:4.3.11+dfsg-0ubuntu0.14.04.10
> and on 16.04 I have 2:4.3.11+dfsg-0ubuntu0.16.04.9.

The smb.conf file is located in launchpad: https://launchpadlibrarian.net/332048577/smb.conf
(https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817)

Thanks / Van

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
In reply to this post by Samba - General mailing list
On Sat, 5 Aug 2017 14:44:34 +0200
Van Svensson via samba <[hidden email]> wrote:

> Rowland Penny wrote:
>
> > On Sat, 5 Aug 2017 13:06:18 +0200
> > Van Svensson via samba <[hidden email]> wrote:
> >
> > > Thanks for your reply! I have now filed a bug in launchpad
> > > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> > >
> > > When I compare the cups error_log with 14.04 where it does work I
> > > see that 16.04 uses two backslashes when setting KRB5CCNAME while
> > > 14.04 does not use backslashes, maybe that is the problem?
> > >
> > > Sometimes the cups error_log also have the below line
> > > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I
> > > show below. Both this line and the line "Could not determine
> > > network interfaces, you must use a interfaces config line" maybe
> > > can give some idea on what goes wrong? The line "Printing jobs
> > > and dirty files" can maybe be ignored since it also shows up in
> > > 14.04 where it works.
> >
> > It might help if you could tell us what versions of Samba you are
> > using (it might shock you, but some people don't use Ubuntu ), it
> > would also be a good idea to post your smb.conf files.
>
> I attach the smb.conf file which is exactly the same for both Ubuntu
> 14.04 and 16.04. On 14.04 I have Samba version
> 2:4.3.11+dfsg-0ubuntu0.14.04.10 and on 16.04 I have
> 2:4.3.11+dfsg-0ubuntu0.16.04.9.
>
> Thanks / Van

Sorry, but this mailing list strips off attachments, you will need to
copy it into the post.

Rowland

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Rowland Penny wrote:

> On Sat, 5 Aug 2017 14:44:34 +0200
> Van Svensson via samba <[hidden email]> wrote:
>
> > Rowland Penny wrote:
> >
> > > On Sat, 5 Aug 2017 13:06:18 +0200
> > > Van Svensson via samba <[hidden email]> wrote:
> > >
> > > > Thanks for your reply! I have now filed a bug in launchpad
> > > > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> > > >
> > > > When I compare the cups error_log with 14.04 where it does work I
> > > > see that 16.04 uses two backslashes when setting KRB5CCNAME while
> > > > 14.04 does not use backslashes, maybe that is the problem?
> > > >
> > > > Sometimes the cups error_log also have the below line
> > > > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I
> > > > show below. Both this line and the line "Could not determine
> > > > network interfaces, you must use a interfaces config line" maybe
> > > > can give some idea on what goes wrong? The line "Printing jobs
> > > > and dirty files" can maybe be ignored since it also shows up in
> > > > 14.04 where it works.
> > >
> > > It might help if you could tell us what versions of Samba you are
> > > using (it might shock you, but some people don't use Ubuntu ), it
> > > would also be a good idea to post your smb.conf files.
> >
> > I attach the smb.conf file which is exactly the same for both Ubuntu
> > 14.04 and 16.04. On 14.04 I have Samba version
> > 2:4.3.11+dfsg-0ubuntu0.14.04.10 and on 16.04 I have
> > 2:4.3.11+dfsg-0ubuntu0.16.04.9.
>
> Sorry, but this mailing list strips off attachments, you will need to
> copy it into the post.

Here it comes (according to "diff" the smb.conf file is exactly the same for both Ubuntu 14.04 and 16.04):

#
# Sample configuration file for the Samba suite for Debian GNU/Linux.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which
# are not shown in this example
#
# Some options that are often worth tuning have been included as
# commented-out examples in this file.
#  - When such options are commented with ";", the proposed setting
#    differs from the default Samba behaviour
#  - When commented with "#", the proposed setting is the default
#    behaviour of Samba but the option is considered important
#    enough to be mentioned here
#
# NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not made any basic syntactic
# errors.

#======================= Global Settings =======================

[global]

## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
   workgroup = WORKGROUP

# server string is the equivalent of the NT Description field
        server string = %h server (Samba, Ubuntu)

# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable its WINS Server
#   wins support = no

# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
;   wins server = w.x.y.z

# This will prevent nmbd to search for NetBIOS names through DNS.
   dns proxy = no

#### Networking ####

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
;   interfaces = 127.0.0.0/8 eth0

# Only bind to the named interfaces and/or networks; you must use the
# 'interfaces' option above to use this.
# It is recommended that you enable this feature if your Samba machine is
# not protected by a firewall or is a firewall itself.  However, this
# option cannot handle dynamic or non-broadcast interfaces correctly.
;   bind interfaces only = yes



#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
   log file = /var/log/samba/log.%m

# Cap the size of the individual log files (in KiB).
   max log size = 1000

# If you want Samba to only log through syslog then set the following
# parameter to 'yes'.
#   syslog only = no

# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
   syslog = 0

# Do something sensible when Samba crashes: mail the admin a backtrace
   panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# Server role. Defines in which mode Samba will operate. Possible
# values are "standalone server", "member server", "classic primary
# domain controller", "classic backup domain controller", "active
# directory domain controller".
#
# Most people will want "standalone sever" or "member server".
# Running as "active directory domain controller" will require first
# running "samba-tool domain provision" to wipe databases and create a
# new domain.
   server role = standalone server

# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.  
   passdb backend = tdbsam

   obey pam restrictions = yes

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
   unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<[hidden email]> for
# sending the correct chat script for the passwd program in Debian Sarge).
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
   pam password change = yes

# This option controls how unsuccessful authentication attempts are mapped
# to anonymous connections
   map to guest = bad user

########## Domains ###########

#
# The following settings only takes effect if 'server role = primary
# classic domain controller', 'server role = backup domain controller'
# or 'domain logons' is set
#

# It specifies the location of the user's
# profile directory from the client point of view) The following
# required a [profiles] share to be setup on the samba server (see
# below)
;   logon path = \\%N\profiles\%U
# Another common choice is storing the profile in the user's home directory
# (this is Samba's default)
#   logon path = \\%N\%U\profile

# The following setting only takes effect if 'domain logons' is set
# It specifies the location of a user's home directory (from the client
# point of view)
;   logon drive = H:
#   logon home = \\%N\%U

# The following setting only takes effect if 'domain logons' is set
# It specifies the script to run during logon. The script must be stored
# in the [netlogon] share
# NOTE: Must be store in 'DOS' file format convention
;   logon script = logon.cmd

# This allows Unix users to be created on the domain controller via the SAMR
# RPC pipe.  The example command creates a user account with a disabled Unix
# password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u

# This allows machine accounts to be created on the domain controller via the
# SAMR RPC pipe.  
# The following assumes a "machines" group exists on the system
; add machine script  = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u

# This allows Unix groups to be created on the domain controller via the SAMR
# RPC pipe.  
; add group script = /usr/sbin/addgroup --force-badname %g

############ Misc ############

# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
;   include = /home/samba/etc/smb.conf.%m

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
;   idmap uid = 10000-20000
;   idmap gid = 10000-20000
;   template shell = /bin/bash

# Setup usershare options to enable non-root users to share folders
# with the net usershare command.

# Maximum number of usershare. 0 (default) means that usershare is disabled.
;   usershare max shares = 100

# Allow users who've been granted usershare privileges to create
# public shares, not just authenticated ones
   usershare allow guests = yes

#======================= Share Definitions =======================

# Un-comment the following (and tweak the other settings below to suit)
# to enable the default home directory shares. This will share each
# user's home directory as \\server\username
;[homes]
;   comment = Home Directories
;   browseable = no

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
;   read only = yes

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
;   create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want to
# create dirs. with group=rw permissions, set next parameter to 0775.
;   directory mask = 0700

# By default, \\server\username shares can be connected to by anyone
# with access to the samba server.
# Un-comment the following parameter to make sure that only "username"
# can connect to \\server\username
# This might need tweaking when using external authentication schemes
;   valid users = %S

# Un-comment the following and create the netlogon directory for Domain Logons
# (you need to configure Samba to act as a domain controller too.)
;[netlogon]
;   comment = Network Logon Service
;   path = /home/samba/netlogon
;   guest ok = yes
;   read only = yes

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
;[profiles]
;   comment = Users profiles
;   path = /home/samba/profiles
;   guest ok = no
;   browseable = no
;   create mask = 0600
;   directory mask = 0700

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
# Uncomment to allow remote administration of Windows print drivers.
# You may need to replace 'lpadmin' with the name of the group your
# admin users are members of.
# Please note that you also need to set appropriate Unix permissions
# to the drivers directory for these users to have write rights in it
;   write list = root, @lpadmin

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
On Sat, 5 Aug 2017 15:29:54 +0200
Van Svensson via samba <[hidden email]> wrote:

> Rowland Penny wrote:
>
> > On Sat, 5 Aug 2017 14:44:34 +0200
> > Van Svensson via samba <[hidden email]> wrote:
> >
> > > Rowland Penny wrote:
> > >
> > > > On Sat, 5 Aug 2017 13:06:18 +0200
> > > > Van Svensson via samba <[hidden email]> wrote:
> > > >
> > > > > Thanks for your reply! I have now filed a bug in launchpad
> > > > > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> > > > >
> > > > > When I compare the cups error_log with 14.04 where it does
> > > > > work I see that 16.04 uses two backslashes when setting
> > > > > KRB5CCNAME while 14.04 does not use backslashes, maybe that
> > > > > is the problem?
> > > > >
> > > > > Sometimes the cups error_log also have the below line
> > > > > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I
> > > > > show below. Both this line and the line "Could not determine
> > > > > network interfaces, you must use a interfaces config line"
> > > > > maybe can give some idea on what goes wrong? The line
> > > > > "Printing jobs and dirty files" can maybe be ignored since it
> > > > > also shows up in 14.04 where it works.
> > > >
> > > > It might help if you could tell us what versions of Samba you
> > > > are using (it might shock you, but some people don't use Ubuntu
> > > > ), it would also be a good idea to post your smb.conf files.
> > >
> > > I attach the smb.conf file which is exactly the same for both
> > > Ubuntu 14.04 and 16.04. On 14.04 I have Samba version
> > > 2:4.3.11+dfsg-0ubuntu0.14.04.10 and on 16.04 I have
> > > 2:4.3.11+dfsg-0ubuntu0.16.04.9.
> >
> > Sorry, but this mailing list strips off attachments, you will need
> > to copy it into the post.
>
> Here it comes (according to "diff" the smb.conf file is exactly the
> same for both Ubuntu 14.04 and 16.04):
>
> #
> # Sample configuration file for the Samba suite for Debian GNU/Linux.
> #
> #
> # This is the main Samba configuration file. You should read the
> # smb.conf(5) manual page in order to understand the options listed
> # here. Samba has a huge number of configurable options most of which
> # are not shown in this example
> #
> # Some options that are often worth tuning have been included as
> # commented-out examples in this file.
> #  - When such options are commented with ";", the proposed setting
> #    differs from the default Samba behaviour
> #  - When commented with "#", the proposed setting is the default
> #    behaviour of Samba but the option is considered important
> #    enough to be mentioned here
> #
> # NOTE: Whenever you modify this file you should run the command
> # "testparm" to check that you have not made any basic syntactic
> # errors.
>
> #======================= Global Settings =======================
>
> [global]
>
> ## Browsing/Identification ###
>
> # Change this to the workgroup/NT-domain name your Samba server will
> part of workgroup = WORKGROUP
>
> # server string is the equivalent of the NT Description field
>         server string = %h server (Samba, Ubuntu)
>
> # Windows Internet Name Serving Support Section:
> # WINS Support - Tells the NMBD component of Samba to enable its WINS
> Server #   wins support = no
>
> # WINS Server - Tells the NMBD components of Samba to be a WINS Client
> # Note: Samba can be either a WINS Server, or a WINS Client, but NOT
> both ;   wins server = w.x.y.z
>
> # This will prevent nmbd to search for NetBIOS names through DNS.
>    dns proxy = no
>
> #### Networking ####
>
> # The specific set of interfaces / networks to bind to
> # This can be either the interface name or an IP address/netmask;
> # interface names are normally preferred
> ;   interfaces = 127.0.0.0/8 eth0
>
> # Only bind to the named interfaces and/or networks; you must use the
> # 'interfaces' option above to use this.
> # It is recommended that you enable this feature if your Samba
> machine is # not protected by a firewall or is a firewall itself.
> However, this # option cannot handle dynamic or non-broadcast
> interfaces correctly. ;   bind interfaces only = yes
>
>
>
> #### Debugging/Accounting ####
>
> # This tells Samba to use a separate log file for each machine
> # that connects
>    log file = /var/log/samba/log.%m
>
> # Cap the size of the individual log files (in KiB).
>    max log size = 1000
>
> # If you want Samba to only log through syslog then set the following
> # parameter to 'yes'.
> #   syslog only = no
>
> # We want Samba to log a minimum amount of information to syslog.
> Everything # should go to /var/log/samba/log.{smbd,nmbd} instead. If
> you want to log # through syslog you should set the following
> parameter to something higher. syslog = 0
>
> # Do something sensible when Samba crashes: mail the admin a backtrace
>    panic action = /usr/share/samba/panic-action %d
>
>
> ####### Authentication #######
>
> # Server role. Defines in which mode Samba will operate. Possible
> # values are "standalone server", "member server", "classic primary
> # domain controller", "classic backup domain controller", "active
> # directory domain controller".
> #
> # Most people will want "standalone sever" or "member server".
> # Running as "active directory domain controller" will require first
> # running "samba-tool domain provision" to wipe databases and create a
> # new domain.
>    server role = standalone server
>
> # If you are using encrypted passwords, Samba will need to know what
> # password database type you are using.  
>    passdb backend = tdbsam
>
>    obey pam restrictions = yes
>
> # This boolean parameter controls whether Samba attempts to sync the
> Unix # password with the SMB password when the encrypted SMB password
> in the # passdb is changed.
>    unix password sync = yes
>
> # For Unix password sync to work on a Debian GNU/Linux system, the
> following # parameters must be set (thanks to Ian Kahan
> <<[hidden email]> for # sending the correct chat
> script for the passwd program in Debian Sarge). passwd program
> = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n
> *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
>
> # This boolean controls whether PAM will be used for password changes
> # when requested by an SMB client instead of the program listed in
> # 'passwd program'. The default is 'no'.
>    pam password change = yes
>
> # This option controls how unsuccessful authentication attempts are
> mapped # to anonymous connections
>    map to guest = bad user
>
> ########## Domains ###########
>
> #
> # The following settings only takes effect if 'server role = primary
> # classic domain controller', 'server role = backup domain controller'
> # or 'domain logons' is set
> #
>
> # It specifies the location of the user's
> # profile directory from the client point of view) The following
> # required a [profiles] share to be setup on the samba server (see
> # below)
> ;   logon path = \\%N\profiles\%U
> # Another common choice is storing the profile in the user's home
> directory # (this is Samba's default)
> #   logon path = \\%N\%U\profile
>
> # The following setting only takes effect if 'domain logons' is set
> # It specifies the location of a user's home directory (from the
> client # point of view)
> ;   logon drive = H:
> #   logon home = \\%N\%U
>
> # The following setting only takes effect if 'domain logons' is set
> # It specifies the script to run during logon. The script must be
> stored # in the [netlogon] share
> # NOTE: Must be store in 'DOS' file format convention
> ;   logon script = logon.cmd
>
> # This allows Unix users to be created on the domain controller via
> the SAMR # RPC pipe.  The example command creates a user account with
> a disabled Unix # password; please adapt to your needs
> ; add user script = /usr/sbin/adduser --quiet --disabled-password
> --gecos "" %u
>
> # This allows machine accounts to be created on the domain controller
> via the # SAMR RPC pipe.  
> # The following assumes a "machines" group exists on the system
> ; add machine script  = /usr/sbin/useradd -g machines -c "%u machine
> account" -d /var/lib/samba -s /bin/false %u
>
> # This allows Unix groups to be created on the domain controller via
> the SAMR # RPC pipe.  
> ; add group script = /usr/sbin/addgroup --force-badname %g
>
> ############ Misc ############
>
> # Using the following line enables you to customise your configuration
> # on a per machine basis. The %m gets replaced with the netbios name
> # of the machine that is connecting
> ;   include = /home/samba/etc/smb.conf.%m
>
> # Some defaults for winbind (make sure you're not using the ranges
> # for something else.)
> ;   idmap uid = 10000-20000
> ;   idmap gid = 10000-20000
> ;   template shell = /bin/bash
>
> # Setup usershare options to enable non-root users to share folders
> # with the net usershare command.
>
> # Maximum number of usershare. 0 (default) means that usershare is
> disabled. ;   usershare max shares = 100
>
> # Allow users who've been granted usershare privileges to create
> # public shares, not just authenticated ones
>    usershare allow guests = yes
>
> #======================= Share Definitions =======================
>
> # Un-comment the following (and tweak the other settings below to
> suit) # to enable the default home directory shares. This will share
> each # user's home directory as \\server\username
> ;[homes]
> ;   comment = Home Directories
> ;   browseable = no
>
> # By default, the home directories are exported read-only. Change the
> # next parameter to 'no' if you want to be able to write to them.
> ;   read only = yes
>
> # File creation mask is set to 0700 for security reasons. If you want
> to # create files with group=rw permissions, set next parameter to
> 0775. ;   create mask = 0700
>
> # Directory creation mask is set to 0700 for security reasons. If you
> want to # create dirs. with group=rw permissions, set next parameter
> to 0775. ;   directory mask = 0700
>
> # By default, \\server\username shares can be connected to by anyone
> # with access to the samba server.
> # Un-comment the following parameter to make sure that only "username"
> # can connect to \\server\username
> # This might need tweaking when using external authentication schemes
> ;   valid users = %S
>
> # Un-comment the following and create the netlogon directory for
> Domain Logons # (you need to configure Samba to act as a domain
> controller too.) ;[netlogon]
> ;   comment = Network Logon Service
> ;   path = /home/samba/netlogon
> ;   guest ok = yes
> ;   read only = yes
>
> # Un-comment the following and create the profiles directory to store
> # users profiles (see the "logon path" option above)
> # (you need to configure Samba to act as a domain controller too.)
> # The path below should be writable by all users so that their
> # profile directory may be created the first time they log on
> ;[profiles]
> ;   comment = Users profiles
> ;   path = /home/samba/profiles
> ;   guest ok = no
> ;   browseable = no
> ;   create mask = 0600
> ;   directory mask = 0700
>
> [printers]
>    comment = All Printers
>    browseable = no
>    path = /var/spool/samba
>    printable = yes
>    guest ok = no
>    read only = yes
>    create mask = 0700
>
> # Windows clients look for this share name as a source of downloadable
> # printer drivers
> [print$]
>    comment = Printer Drivers
>    path = /var/lib/samba/printers
>    browseable = yes
>    read only = yes
>    guest ok = no
> # Uncomment to allow remote administration of Windows print drivers.
> # You may need to replace 'lpadmin' with the name of the group your
> # admin users are members of.
> # Please note that you also need to set appropriate Unix permissions
> # to the drivers directory for these users to have write rights in it
> ;   write list = root, @lpadmin
>

OK, after I removed all the commented lines and default lines, I was
left with this:

[global]
   server string = %h server (Samba, Ubuntu)
   dns proxy = no

   log file = /var/log/samba/log.%m
   max log size = 1000
   syslog = 0
   panic action = /usr/share/samba/panic-action %d

   server role = standalone server
   obey pam restrictions = yes
   unix password sync = yes

   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

   pam password change = yes
   map to guest = bad user
   usershare allow guests = yes

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   create mask = 0700

[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers

About the only thing wrong with this is that you haven't set:
 'security = user'

I also take it that your users exist on the machine in /etc/passwd and
in Samba

You might also want to point out to Ubuntu that the 4.3.x versions are
EOL and that 4.7.0 will be released very soon, at which point the only
supported versions (by Samba) will be 4.5.x, 4.6.x and 4.7.x

Rowland

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Rowland Penny wrote:

> On Sat, 5 Aug 2017 15:29:54 +0200
> Van Svensson via samba <[hidden email]> wrote:
>
> > Rowland Penny wrote:
> >
> > > On Sat, 5 Aug 2017 14:44:34 +0200
> > > Van Svensson via samba <[hidden email]> wrote:
> > >
> > > > Rowland Penny wrote:
> > > >
> > > > > On Sat, 5 Aug 2017 13:06:18 +0200
> > > > > Van Svensson via samba <[hidden email]> wrote:
> > > > >
> > > > > > Thanks for your reply! I have now filed a bug in launchpad
> > > > > > (https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1708817).
> > > > > >
> > > > > > When I compare the cups error_log with 14.04 where it does
> > > > > > work I see that 16.04 uses two backslashes when setting
> > > > > > KRB5CCNAME while 14.04 does not use backslashes, maybe that
> > > > > > is the problem?
> > > > > >
> > > > > > Sometimes the cups error_log also have the below line
> > > > > > "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" like I
> > > > > > show below. Both this line and the line "Could not determine
> > > > > > network interfaces, you must use a interfaces config line"
> > > > > > maybe can give some idea on what goes wrong? The line
> > > > > > "Printing jobs and dirty files" can maybe be ignored since it
> > > > > > also shows up in 14.04 where it works.
> > > > >
> > > > > It might help if you could tell us what versions of Samba you
> > > > > are using (it might shock you, but some people don't use Ubuntu
> > > > > ), it would also be a good idea to post your smb.conf files.
> > > >
> > > > I attach the smb.conf file which is exactly the same for both
> > > > Ubuntu 14.04 and 16.04. On 14.04 I have Samba version
> > > > 2:4.3.11+dfsg-0ubuntu0.14.04.10 and on 16.04 I have
> > > > 2:4.3.11+dfsg-0ubuntu0.16.04.9.
> > >
> > > Sorry, but this mailing list strips off attachments, you will need
> > > to copy it into the post.
> >
> > Here it comes (according to "diff" the smb.conf file is exactly the
> > same for both Ubuntu 14.04 and 16.04):
> >
> > [...]
>
> OK, after I removed all the commented lines and default lines, I was
> left with this:
>
> [global]
>    server string = %h server (Samba, Ubuntu)
>    dns proxy = no
>
>    log file = /var/log/samba/log.%m
>    max log size = 1000
>    syslog = 0
>    panic action = /usr/share/samba/panic-action %d
>
>    server role = standalone server
>    obey pam restrictions = yes
>    unix password sync = yes
>
>    passwd program = /usr/bin/passwd %u
>    passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
>
>    pam password change = yes
>    map to guest = bad user
>    usershare allow guests = yes
>
> [printers]
>    comment = All Printers
>    browseable = no
>    path = /var/spool/samba
>    printable = yes
>    create mask = 0700
>
> [print$]
>    comment = Printer Drivers
>    path = /var/lib/samba/printers
>
> About the only thing wrong with this is that you haven't set:
>  'security = user'

Sorry, I should have removed the comments etc from smb.conf and when I did that with "grep -v ^# /etc/samba/smb.conf|grep -v ^\;|grep -v ^$" I was left with the following which have a few more lines in comparison to what you was left with above. I have also added the line "security = user" at the end of the section "global":

[global]
   workgroup = WORKGROUP
        server string = %h server (Samba, Ubuntu)
   dns proxy = no
   log file = /var/log/samba/log.%m
   max log size = 1000
   syslog = 0
   panic action = /usr/share/samba/panic-action %d
   server role = standalone server
   passdb backend = tdbsam
   obey pam restrictions = yes
   unix password sync = yes
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
   pam password change = yes
   map to guest = bad user
   usershare allow guests = yes
   security = user
[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no

After rebooting the computer and testing printing again it unfortunately still does not work to print on 16.04. Please note that smb.conf on 14.04 does not contain this "security = user" and printing still works.

> I also take it that your users exist on the machine in /etc/passwd and
> in Samba

I should have mentioned this earlier, but the users does not exist in /etc/passwd, instead they are in LDAP and when they log in to the computer they get some Kerberos tickets for the domain and the file system. When printing on 14.04 they get another Kerberos ticket for the printing system according to "klist" after they have done "lpr" and printed a document. On 16.04 nothing is printed and the user gets no Kerberos ticket for the printing system and the job is left in "lpq".

Thanks / Van

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
On Sat, 5 Aug 2017 17:38:23 +0200
Van Svensson via samba <[hidden email]> wrote:


> I should have mentioned this earlier, but the users does not exist
> in /etc/passwd, instead they are in LDAP and when they log in to the
> computer they get some Kerberos tickets for the domain and the file
> system. When printing on 14.04 they get another Kerberos ticket for
> the printing system according to "klist" after they have done "lpr"
> and printed a document. On 16.04 nothing is printed and the user gets
> no Kerberos ticket for the printing system and the job is left in
> "lpq".
>

Are your main users running Windows ?
Are they members of an AD domain ?

If the answers to the questions are both 'yes', then you might want to
have a read here:

https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Domain_Member

and here:

https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Print_Server

Rowland



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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
> > I should have mentioned this earlier, but the users does not exist
> > in /etc/passwd, instead they are in LDAP and when they log in to the
> > computer they get some Kerberos tickets for the domain and the file
> > system. When printing on 14.04 they get another Kerberos ticket for
> > the printing system according to "klist" after they have done "lpr"
> > and printed a document. On 16.04 nothing is printed and the user gets
> > no Kerberos ticket for the printing system and the job is left in
> > "lpq".
>
> Are your main users running Windows ?
> Are they members of an AD domain ?

At my part of the organization most people are running Linux: Ubuntu 14.04 LTS. Right now I am trying to upgrade to Ubuntu 16.04 LTS but after the upgrade the printing does no longer work. Centrally at the organization they are running Windows and we Linux users are using the centrally provided printing system through SMB-Kerberos. Everything works fine in 14.04. After upgrading to 16.04 everything works except the printing.

As I mentioned earlier I see that double backslashes are used in 16.04 when SMBSPOOL_KRB5 is setting KRB5CCNAME, can that cause this problem?
Ubuntu 16.04 /var/log/cups/error_log: SMBSPOOL_KRB5 - Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\'
Ubuntu 14.04 /var/log/cups/error_log: SMBSPOOL_KRB5 - Setting KRB5CCNAME to 'FILE:/tmp/krb5cc_1000'

Do you have any idea about what the error "HTTP_STATE_WAITING Closing for error 32 (Broken pipe)" can tell me in this situation when it is printed right after SMBSPOOL_KRB5 has set KRB5CCNAME?

Also wondering about why I get this right after the above error: "Could not determine network interfaces, you must use a interfaces config line"

(As a side note, not sure if it is interesting, but I see in the /var/log/cups/error_log that SMBSPOOL_KRB5 sets KRB5CCNAME to /tmp/krb5cc_UID (where UID is >= 1000). In our environment the user gets /tmp/krb5cc_UID_RANDOM (where RANDOM is a random string) from Heimdal Kerberos when logging in so in 14.04 (where printing works) you have to create a symbolic link from /tmp/krb5cc_UID to /tmp/krb5cc_UID_RANDOM to have the printing work which we do through a small script in /etc/profile.d/. Maybe this has been fixed in later versions of Samba so that we do not need to create this symbolic link for each user? (Of course I have checked that this symbolic link creation works in 16.04.))

Thanks / Van

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
On Sat, 5 Aug 2017 19:06:49 +0200
Van Svensson via samba <[hidden email]> wrote:

> > > I should have mentioned this earlier, but the users does not exist
> > > in /etc/passwd, instead they are in LDAP and when they log in to
> > > the computer they get some Kerberos tickets for the domain and
> > > the file system. When printing on 14.04 they get another Kerberos
> > > ticket for the printing system according to "klist" after they
> > > have done "lpr" and printed a document. On 16.04 nothing is
> > > printed and the user gets no Kerberos ticket for the printing
> > > system and the job is left in "lpq".
> >
> > Are your main users running Windows ?
> > Are they members of an AD domain ?
>
> At my part of the organization most people are running Linux: Ubuntu
> 14.04 LTS. Right now I am trying to upgrade to Ubuntu 16.04 LTS but
> after the upgrade the printing does no longer work. Centrally at the
> organization they are running Windows and we Linux users are using
> the centrally provided printing system through SMB-Kerberos.
> Everything works fine in 14.04. After upgrading to 16.04 everything
> works except the printing.
>
> As I mentioned earlier I see that double backslashes are used in
> 16.04 when SMBSPOOL_KRB5 is setting KRB5CCNAME, can that cause this
> problem? Ubuntu 16.04 /var/log/cups/error_log: SMBSPOOL_KRB5 -
> Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\' Ubuntu
> 14.04 /var/log/cups/error_log: SMBSPOOL_KRB5 - Setting KRB5CCNAME to
> 'FILE:/tmp/krb5cc_1000'
>
> Do you have any idea about what the error "HTTP_STATE_WAITING Closing
> for error 32 (Broken pipe)" can tell me in this situation when it is
> printed right after SMBSPOOL_KRB5 has set KRB5CCNAME?
>
> Also wondering about why I get this right after the above error:
> "Could not determine network interfaces, you must use a interfaces
> config line"
>
> (As a side note, not sure if it is interesting, but I see in
> the /var/log/cups/error_log that SMBSPOOL_KRB5 sets KRB5CCNAME
> to /tmp/krb5cc_UID (where UID is >= 1000). In our environment the
> user gets /tmp/krb5cc_UID_RANDOM (where RANDOM is a random string)
> from Heimdal Kerberos when logging in so in 14.04 (where printing
> works) you have to create a symbolic link from /tmp/krb5cc_UID
> to /tmp/krb5cc_UID_RANDOM to have the printing work which we do
> through a small script in /etc/profile.d/. Maybe this has been fixed
> in later versions of Samba so that we do not need to create this
> symbolic link for each user? (Of course I have checked that this
> symbolic link creation works in 16.04.))
>
> Thanks / Van
>

To be honest, I don't think this really has anything to do with Samba,
the error messages seem to be coming from cups.

Rowland

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
Rowland Penny wrote:

> On Sat, 5 Aug 2017 19:06:49 +0200
> Van Svensson via samba <[hidden email]> wrote:
>
> > > > I should have mentioned this earlier, but the users does not exist
> > > > in /etc/passwd, instead they are in LDAP and when they log in to
> > > > the computer they get some Kerberos tickets for the domain and
> > > > the file system. When printing on 14.04 they get another Kerberos
> > > > ticket for the printing system according to "klist" after they
> > > > have done "lpr" and printed a document. On 16.04 nothing is
> > > > printed and the user gets no Kerberos ticket for the printing
> > > > system and the job is left in "lpq".
> > >
> > > Are your main users running Windows ?
> > > Are they members of an AD domain ?
> >
> > At my part of the organization most people are running Linux: Ubuntu
> > 14.04 LTS. Right now I am trying to upgrade to Ubuntu 16.04 LTS but
> > after the upgrade the printing does no longer work. Centrally at the
> > organization they are running Windows and we Linux users are using
> > the centrally provided printing system through SMB-Kerberos.
> > Everything works fine in 14.04. After upgrading to 16.04 everything
> > works except the printing.
> >
> > As I mentioned earlier I see that double backslashes are used in
> > 16.04 when SMBSPOOL_KRB5 is setting KRB5CCNAME, can that cause this
> > problem? Ubuntu 16.04 /var/log/cups/error_log: SMBSPOOL_KRB5 -
> > Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\' Ubuntu
> > 14.04 /var/log/cups/error_log: SMBSPOOL_KRB5 - Setting KRB5CCNAME to
> > 'FILE:/tmp/krb5cc_1000'
> >
> > Do you have any idea about what the error "HTTP_STATE_WAITING Closing
> > for error 32 (Broken pipe)" can tell me in this situation when it is
> > printed right after SMBSPOOL_KRB5 has set KRB5CCNAME?
> >
> > Also wondering about why I get this right after the above error:
> > "Could not determine network interfaces, you must use a interfaces
> > config line"
> >
> > (As a side note, not sure if it is interesting, but I see in
> > the /var/log/cups/error_log that SMBSPOOL_KRB5 sets KRB5CCNAME
> > to /tmp/krb5cc_UID (where UID is >= 1000). In our environment the
> > user gets /tmp/krb5cc_UID_RANDOM (where RANDOM is a random string)
> > from Heimdal Kerberos when logging in so in 14.04 (where printing
> > works) you have to create a symbolic link from /tmp/krb5cc_UID
> > to /tmp/krb5cc_UID_RANDOM to have the printing work which we do
> > through a small script in /etc/profile.d/. Maybe this has been fixed
> > in later versions of Samba so that we do not need to create this
> > symbolic link for each user? (Of course I have checked that this
> > symbolic link creation works in 16.04.))
>
> To be honest, I don't think this really has anything to do with Samba,
> the error messages seem to be coming from cups.

Ok, so if I understand things correctly, in the log sequence below CUPS is calling "smbspool_krb5_wrapper" (since  /usr/lib/cups/backend/smb is a symbolic link to /usr/bin/smbspool_krb5_wrapper) and then CUPS is logging those lines starting with "[Job 89] SMBSPOOL_KRB5", but how can CUPS know that it should set e.g. KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\' - isn't that something coming from smbspool_krb5_wrapper (part of the smbclient package)?

D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Started with uid=0
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - AUTH_INFO_REQUIRED=negotiate
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Switching to gid=1000
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Switching to uid=1000
D [05/Aug/2017:12:52:04 +0200] [Job 89] SMBSPOOL_KRB5 - Setting KRB5CCNAME to \'FILE:/tmp/krb5cc_1000\'
D [05/Aug/2017:12:52:04 +0200] [Client 12] HTTP_STATE_WAITING Closing for error 32 (Broken pipe)
D [05/Aug/2017:12:52:04 +0200] [Client 12] Closing connection.
D [05/Aug/2017:12:52:04 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"
E [05/Aug/2017:12:52:04 +0200] [Job 89] Could not determine network interfaces, you must use a interfaces config line

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Re: Printing with smbspool_krb5_wrapper not working in Ubuntu 16.04

Samba - General mailing list
In reply to this post by Samba - General mailing list
Rowland Penny wrote:

> On Sat, 5 Aug 2017 19:06:49 +0200
> Van Svensson via samba <[hidden email]> wrote:
>
> > > > I should have mentioned this earlier, but the users does not exist
> > > > in /etc/passwd, instead they are in LDAP and when they log in to
> > > > the computer they get some Kerberos tickets for the domain and
> > > > the file system. When printing on 14.04 they get another Kerberos
> > > > ticket for the printing system according to "klist" after they
> > > > have done "lpr" and printed a document. On 16.04 nothing is
> > > > printed and the user gets no Kerberos ticket for the printing
> > > > system and the job is left in "lpq".
> > >
> > > Are your main users running Windows ?
> > > Are they members of an AD domain ?
> >
> > At my part of the organization most people are running Linux: Ubuntu
> > 14.04 LTS. Right now I am trying to upgrade to Ubuntu 16.04 LTS but
> > after the upgrade the printing does no longer work. Centrally at the
> > organization they are running Windows and we Linux users are using
> > the centrally provided printing system through SMB-Kerberos.
> > Everything works fine in 14.04. After upgrading to 16.04 everything
> > works except the printing.
> >
> > [...]
> >
> > Do you have any idea about what the error "HTTP_STATE_WAITING Closing
> > for error 32 (Broken pipe)" can tell me in this situation when it is
> > printed right after SMBSPOOL_KRB5 has set KRB5CCNAME?
> >
> > Also wondering about why I get this right after the above error:
> > "Could not determine network interfaces, you must use a interfaces
> > config line"
>
> To be honest, I don't think this really has anything to do with Samba,
> the error messages seem to be coming from cups.

I found out that if I set "interfaces = 127.0.0.0/8 MYINTERFACE" and "bind interfaces only = yes" in /etc/samba/smb.conf then the printing works. I am curious why I need to do that in Ubuntu 16.04 but not in Ubuntu 14.04. I see that the naming of the interfaces in 16.04 has changed to e.g. "enp0s25" instead of e.g. "eth2" but shouldn't Samba 2:4.3.11+dfsg-0ubuntu0.16.04.9 be able to detect the network interface automatically?

Best regards, Van

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