Re: [cups] Authentication Problem

On 11/20/2020 9:20 AM, Dennis Putnam wrote:
> On 11/20/2020 9:08 AM, Dennis Putnam wrote:
>> On 11/20/2020 9:02 AM, Dennis Putnam wrote:
>>> On 11/19/2020 7:27 PM, Bryan Mason wrote:
>>>> On Thu, 2020-11-19 at 09:52 -0500, Dennis Putnam wrote:
>>>>> I have set up an SMB printer (CentOS 7) but am having trouble with
>>>>> authentication. When I submit a job, the queue shows it is being held
>>>>> for authentication. There seems to be no way to authenticate but in
>>>>> any case I want users to be able to print with no authentication. I
>>>>> cannot figure out how to configure cupsd.conf to remove the
>>>>> authentication requirement.
>>>> It's not in cupsd.conf because it's a printer setting.  Try:
>>>>
>>>>      lpadmin -p <queue-name> -o auth-info-required=none
>>>>
>>>> This should change the printer setting to not require authentication.
>>>>   But you will also need to configure the Windows server to not 
>>>> require
>>>> authentication to access the printer share.  If Windows requires
>>>> authentication, then CUPS will still hold the job for authentication
>>>> and will change auth-info-required back to username,password.
>>>>
>>>> ~ Bryan
>>>>
>>>> _______________________________________________
>>>>
>>> Hi Bryan,
>>>
>>> Thanks for the reply. I never would have figured that out. However, 
>>> I have something strange going on. The printer name is "Epson". When 
>>> I do an 'lpstat' I get 2 printers listed (Epson-12, Epson-13) but 
>>> neither is "Epson". When I look at 'system-config-printers' I see 
>>> just the printer "Epson". If I issue the command
>>>
>>> sudo lpadmin -p Epson -o auth-info-required=none
>>>
>>> I get no error (which I expected since it does not seem to exist) 
>>> but neither does anything change.
>>>
>>> I am guessing that my problem is related to the printer not showing 
>>> up in 'lpstat' but I have no clue where the 12 and 13 are coming 
>>> from or what could be wrong. Did I perhaps mess up my cups.conf with 
>>> the changes I made?
>> Here is some clarification. I get those two odd printers when I do 
>> 'lpstat' as the logged in user. If I do 'sudo lpstat', nothing shows 
>> up. I cannot delete those printers as 'lpadmin -x' says they do not 
>> exist. Something is seriously messed up.
> Another discovery. Those printers show up because there are 2 print 
> jobs in queue. I did 'lprm' and now everything looks right except 
> there is no Epson printer (lpstat) either as user or with sudo. I see 
> now that 'lpstat' does not list printers but rather print jobs. In any 
> case print jobs are still being held for authentication.
Cancel all the head scratching. I got it working. For some reason the 
entire problem was the print driver. I had to install the epson-esc/pr 
software rather than use postscript. I don't understand it but the 
authentication issue is now gone. Thanks for trying.

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