Re (2): CUPS, "Add Printer Error".
From: "John L. Cunningham" <djohngo@gmail.com>
Date: Wed, 5 Jun 2013 23:32:43 -0400
> ... make sure lpadmin is actually set as the administrator user group.
peter@dalton:~$ grep lpadmin /etc/cups/cupsd.conf
SystemGroup lpadmin
peter@dalton:~$ grep lpadmin /etc/group
lpadmin:x:112:peter
Here are some lines from /var/log/cups/error_log
D [06/Jun/2013:10:42:35 -0700] update_cups_browse: Refused 212 bytes from 172.24.1.1
D [06/Jun/2013:10:42:44 -0700] cupsdAcceptClient: 16 from 172.24.1.1:631 (IPv4)
D [06/Jun/2013:10:42:44 -0700] cupsdReadClient: 16 POST /admin/ HTTP/1.1
D [06/Jun/2013:10:42:44 -0700] cupsdSetBusyState: newbusy="Active clients", busy="Not busy"
D [06/Jun/2013:10:42:44 -0700] cupsdAuthorize: No authentication data provided.
Under Squeeze, I wasn't in the lpadmin group but whenever an
adminstrative task was attempted a simple authenication dialogue
appeared. After authentication as root, administration was allowed.
Under Wheezy, no dialogue appears. So I'd wonder that CUPS
seeks authentication but can't obtain it.
Was the authentication service which CUPS relies upon broken
or removed in the grade from Squeeze to Wheezy? The dialogue
was a drab rectangle with fields for user and password. Can
anyone tell what software made that? Otherwise I'll set up
an old Squeeze system and work to identify it.
Thanks, ... Peter E.
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