Re: Printing jobs

[Richard Vickery]

On Mon, Apr 1, 2013 at 9:38 PM, Ed Greshko  wrote:
> On 04/02/13 12:24, Richard Vickery wrote:
> > I had the printer unplugged on doing this; I took the computer into the
>
> other room.
> > #  netstat -nap | grep cups
> > udp        0      0 0.0.0.0:631 http://0.0.0.0:631
>
> 0.0.0.0:*                           828/cupsd
> > unix  2      [ ACC ]     STREAM     LISTENING     15237    1/systemd
>    /var/run/cups/cups.sock
> > unix  3      [ ]         STREAM     CONNECTED     24575    828/cupsd
> > unix  3      [ ]         STREAM     CONNECTED     19324    828/cupsd
> > unix  3      [ ]         STREAM     CONNECTED     18454    828/cupsd
> >
> > # diff /etc/cups/cupsd.conf /etc/cups/cupsd.conf.default
> > 1a2,10
> > > #
> > > # "$Id: cupsd.conf.in http://cupsd.conf.in 9407 2010-12-09
>
> 21:24:51Z mike $"
> > > #
> > > # Sample configuration file for the CUPS scheduler.  See "man
>
> cupsd.conf" for a
> > > # complete description of this file.
> > > #
> > >
> > > # Log general information in error_log - change "warn" to "debug"
> > > # for troubleshooting...
>
> Well, cupsd isn't listening on 127.0.0.1 which explains why you can't
> connect to it....
>
> I've never had to modify the cupsd.conf but it would seem yours has
> been....
>
> I would....
>
> cd /etc/cups
> mv cupsd.conf cupsd.conf-old
> cp cupsd.conf.default cupsd.conf
> restorecon -F cupsd.conf
> systemctl restart cups
>
> netstat -nap | grep cups
>
> You should see....
>
> [root@meimei cups]# netstat -nap | grep cups
> tcp        0      0 127.0.0.1:631           0.0.0.0:*
> LISTEN      14946/cupsd
> tcp6       0      0 ::1:631                 :::*                    LISTEN
>      14946/cupsd
> udp        0      0 0.0.0.0:631             0.0.0.0:*
>       14946/cupsd
> unix  2      [ ACC ]     STREAM     LISTENING     17434    1/systemd
>      /var/run/cups/cups.sock
> unix  3      [ ]         STREAM     CONNECTED     6184339  14946/cupsd
> unix  3      [ ]         STREAM     CONNECTED     5518265  14946/cupsd
> unix  3      [ ]         STREAM     CONNECTED     5518583  14946/cupsd
>
> FWIW, on my system where no modifications were done....
>
> [root@meimei cups]# ll cupsd.conf*
> -rw-r-----. 1 root lp 4548 Dec  4 20:40 cupsd.conf
> -rw-r-----. 1 root lp 4548 Dec  4 20:40 cupsd.conf.default

Here's what I get after all this:

netstat -nap | grep cups
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN
     3716/cupsd
tcp6       0      0 ::1:631                 :::*                    LISTEN
     3716/cupsd
udp        0      0 0.0.0.0:631             0.0.0.0:*
    3716/cupsd
unix  2      [ ACC ]     STREAM     LISTENING     15237    1/systemd
     /var/run/cups/cups.sock
unix  3      [ ]         STREAM     CONNECTED     53621    3716/cupsd

unix  3      [ ]         STREAM     CONNECTED     54288    3716/cupsd
    /var/run/cups/cups.sock
unix  3      [ ]         STREAM     CONNECTED     53234    3716/cupsd

unix  3      [ ]         STREAM     CONNECTED     53245    3716/cupsd

unix  3      [ ]         STREAM     CONNECTED     54287    3716/cupsd
    /var/run/cups/cups.sock