CentOS 7 + Cups

jorgevisentini · Post by **jorgevisentini** » 2014/08/21 12:45:11

Hello!
Sorry my english.

Was using CentOS 6.5 and CentOS installed 7 to test.

What I noticed is that the printers were not automatically mapped as the other versions.

Here we have a company in Cups 1.4.2 server that provides printers for the other machines. Only 7 on CentOS did not.

Already I disabled the firewall and SELinux and still did not work.

Anyone been through it?

PS: The two cups are working.

THX!

jorgevisentini · Post by **jorgevisentini** » 2014/08/21 19:10:58

Nothing?

chemal · Post by **chemal** » 2014/08/21 20:52:12

C7 uses cups-1.6 which basically is incompatible with versions < 1.6. Complain to Apple and Sweet for doing this and to RH for packaging it. A workaround is to create a file /etc/cups/client.conf and put something like 'ServerName <name of your old server>/version=1.1' in there. This makes cups-1.6 poll your old server with the old version of the ipp protocol.

jorgevisentini · Post by **jorgevisentini** » 2014/08/22 11:25:35

Yes, it worked. Thank you very much.

Then it happens because of incompatibility between versions of cups?

I'll have to be careful when doing the migration so.

Thanks for the help !!

john_wilwert · Post by **john_wilwert** » 2014/08/23 00:21:50

Hi - Have a similar issue - and your discussion is a little over my head. My Brother all in one (MFC-J470DW) printer/scanner worked GREAT in CentOS 6.5 and is dead in CentOS 7.0. So, for starters, how do I determine which version of CUPS i have running and then the follow question is how do I modify the file: /etc/cups/client.conf (I'll need details.) This is my personal machine at home - no "real company" network issues.
Many THANKS! in advance,
John Wilwert

jorgevisentini · Post by **jorgevisentini** » 2014/08/23 03:34:40

But your case is only install the printer as a local printer, right?

Give just install by own manager cups. Need just the right driver.

john_wilwert · Post by **john_wilwert** » 2014/08/23 15:22:03

Hi - Yes, it is a local printer - a wireless connection through my router.
I think this is more than "just the right driver" issue. The driver which worked great for release 6.5 does not work at all in release 7.0.
Thanks,
John Wilwert

john_wilwert · Post by **john_wilwert** » 2014/08/23 20:34:14

Hi - OK - an update!
I used yum info cups to learn the status of my installed CUPS software: cups.x86_64 1:1.6.3-14.el7.
So, now I'll begin to look into creating the file: /etc/cups/client.conf.
Am I on the right path here? HELP!!
THANKS!,
John Wilwert

gerald_clark · Post by **gerald_clark** » 2014/08/23 21:34:43

Local printers are installed using your local web browser and localhost:631

john_wilwert · Post by **john_wilwert** » 2014/08/24 19:43:52

Hi Gerald,
THANKS! - Issue resolved.
The bottom line here is that the driver rpm files were not properly installed by the Brother supplied install procedure. A yum reinstall of these rpms fixed the problem!
Again, THANKS! for all your kind help,
John Wilwert

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