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Re: CUPS permissions

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On 8/26/21 5:53 AM, Greg Wooledge wrote:
> On Thu, Aug 26, 2021 at 01:37:49PM +0100, Brian wrote:
>> On Thu 26 Aug 2021 at 13:23:58 +0100, mick crane wrote:
>>
>>> On 2021-08-26 12:59, Peter Ehlert wrote:
>>>> On 8/25/21 12:11 PM, Greg Wooledge wrote:
>>>>> Some people report restarting the browser is enough.  Some claim they
>>>>> have to reboot.  Who knows.
>>>>>
>>>> thanks. restarting firefox worked.
>>>> I got the login dialog box
>>>>
>>>> after login as (user)
>>>> Add Printer gives> Unable to add printer: Forbidden
>>>>
>>>> back to square one
>>> I've got a print server working but I've forgotten how.
>>> added a new printer a year or so ago.
>>> Might have been lpadmin or something.
>>> I do know always have to reboot after making changes.
>> Rebooting after adding a printer is *never* needed.
> Agreed.
>
> I suspect there's some *really* basic misunderstanding going on at some
> level.  Let's start from the beginning.
Thanks for this list of basics. I am now beginning to understand.
>
> In order to administer a printer in CUPS, you do the following things:
>
>
> 1) Make sure the root account has a PASSWORD.  Make sure you know it.
>     Access to sudo doesn't count.
I never use sudo, no users get sudo privileges on any of my machines.
>
> 2) Install cups.
* cups was not installed by default. The Brother installer did flag that 
first off, easily corrected
>
> 3) Visit http://localhost:631/ in a GUI web browser.  Make sure 
> Javascript
>     is allowed.
>
> 4) At some point, when you try to do stuff to the printers in the 
> browser,
>     you will be prompted for a username and password, using HTTP basic
>     authentication.  When this occurs, you should login as root, using
>     root's password.

BINGO: I was not using root

>
> 5) If you screwed up and logged in as yourself, restart the web browser
>     so that you can get the HTTP basic authentication dialog box 
> again.  Go
>     to step 4.
>
> 6) Once the printer is set up via the browser, you should be able to see
>     it and print to it from the command line.  "lpstat -t" to see all of
>     the printers and their status.  "lp" or "lpr" to print a text file.
$ lpstat -t
scheduler is running
no system default destination
device for MFCL3770CDW: 
dnssd://Brother%20MFC-L3770CDW%20series._ipp._tcp.local/?uuid=e3248000-80ce-11db-8000-b4220033103b
MFCL3770CDW accepting requests since Sun 22 Aug 2021 05:44:11 AM PDT
printer MFCL3770CDW is idle.  enabled since Sun 22 Aug 2021 05:44:11 AM PDT
>
> Any variants on this procedure will require knowledge that I don't
> personally possess.  E.g. if for some reason you refuse to set a root
> password, then you may have to set up a printer-admin account which
> has the appropriate privileges, and a password, and then use that
> instead of root.  I don't know what those privs would be.
>
Summary:

I removed my browser cookie for "localhost"

restarted the browser

when CUPS requested a password I used "root"

I am now able to add printers and edit all options

Thanks to all for the assistance and Education

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Thread

CUPS permissions Peter Ehlert <pb21a@sdi-baja.com> - 2021-08-25 14:50 +0200
  Re: CUPS permissions Henning Follmann <hfollmann@itcfollmann.com> - 2021-08-25 18:30 +0200
    Re: CUPS permissions Peter Ehlert <pb21a@sdi-baja.com> - 2021-08-25 20:50 +0200
      Re: CUPS permissions Greg Wooledge <greg@wooledge.org> - 2021-08-25 21:20 +0200
        Re: CUPS permissions Peter Ehlert <pb21a@sdi-baja.com> - 2021-08-26 14:10 +0200
          Re: CUPS permissions Tixy <tixy@yxit.co.uk> - 2021-08-26 14:30 +0200
          Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 14:40 +0200
            Re: CUPS permissions Greg Wooledge <greg@wooledge.org> - 2021-08-26 15:00 +0200
              Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 17:20 +0200
              Re: CUPS permissions Peter Ehlert <pb21a@sdi-baja.com> - 2021-08-28 16:20 +0200
              Re: CUPS permissions >Fixed Peter Ehlert <peter@sdi-baja.com> - 2021-08-28 16:40 +0200
                Re: CUPS permissions >Fixed Greg Wooledge <greg@wooledge.org> - 2021-08-28 21:40 +0200
                Re: CUPS permissions >Fixed Brian <ad44@cityscape.co.uk> - 2021-08-28 22:10 +0200
                Re: CUPS permissions >Fixed Brian <ad44@cityscape.co.uk> - 2021-08-28 21:40 +0200
          Re: CUPS permissions Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2021-08-26 14:40 +0200
          Re: CUPS permissions Charles Curley <charlescurley@charlescurley.com> - 2021-08-26 14:50 +0200
  Re: CUPS permissions Keith Bainbridge <keithrboz@gmail.com> - 2021-08-26 01:40 +0200
    Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 14:10 +0200
      Re: CUPS permissions Peter Ehlert <pb21a@sdi-baja.com> - 2021-08-26 15:20 +0200
        Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 16:50 +0200
          Re: CUPS permissions Greg Wooledge <greg@wooledge.org> - 2021-08-26 17:00 +0200
            Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 17:30 +0200
              Re: CUPS permissions Greg Wooledge <greg@wooledge.org> - 2021-08-26 17:40 +0200
                Re: CUPS permissions "Andrew M.A. Cater" <amacater@einval.com> - 2021-08-26 18:50 +0200
                Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 21:00 +0200
                Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 19:30 +0200
                Re: CUPS permissions <tomas@tuxteam.de> - 2021-08-26 20:20 +0200
                Re: CUPS permissions Greg Wooledge <greg@wooledge.org> - 2021-08-26 20:30 +0200
                Re: CUPS permissions <tomas@tuxteam.de> - 2021-08-26 21:00 +0200
            Re: CUPS permissions Brian <ad44@cityscape.co.uk> - 2021-08-26 17:30 +0200

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