[K12OSN] Printing to spesfic printers only

Thu Oct 5 01:30:15 UTC 2006

Ok, so what options exist for automatically adding and removing group
membership based on IP address?

----------------------------------------------------------------------
Steven Santos
Director, Simply Circus, Inc.
Email: Steven at SimplyCircus.com
 Mail: PO BOX 620753
       Newton, MA 02462
Phone: 781-799-4938
 eFax: 309-214-0899
  Web: www.SimplyCircus.com

> -----Original Message-----
> From: k12osn-bounces at redhat.com [mailto:k12osn-bounces at redhat.com]On
> Behalf Of James P. Kinney III
> Sent: Wednesday, October 04, 2006 11:11 AM
> To: Support list for open source software in schools.
> Subject: RE: [K12OSN] Printing to spesfic printers only
>
>
> On Wed, 2006-10-04 at 10:49 -0400, Steven Santos wrote:
> > Just thinking out loud here, but would it be possible assign a
> group based
> > on the IP address, and then use the group to allow / disallow printing?
> >
> That's the preferred process. However, the thin client environment has
> the print job coming from the IP address of the server hosting the boot
> up and apps, not from the client itself.
>
> Printing by user authentication is not an option either as roving
> students would require restarting cups for each login operation.
>
>
>
> > ----------------------------------------------------------------------
> > Steven Santos
> > Director, Simply Circus, Inc.
> > Email: Steven at SimplyCircus.com
> >  Mail: PO BOX 620753
> >        Newton, MA 02462
> > Phone: 781-799-4938
> >  eFax: 309-214-0899
> >   Web: www.SimplyCircus.com
> >
> > > -----Original Message-----
> > > From: k12osn-bounces at redhat.com [mailto:k12osn-bounces at redhat.com]On
> > > Behalf Of James P. Kinney III
> > > Sent: Wednesday, October 04, 2006 10:25 AM
> > > To: Support list for open source software in schools.
> > > Subject: Re: [K12OSN] Printing to spesfic printers only
> > >
> > >
> > > On Wed, 2006-10-04 at 06:59 -0600, jconlon1 at elp.rr.com wrote:
> > > > We have a large server that runs a lab and several 4-6
> terminal groups
> > > > in some classrooms.  Some classrooms have one terminal
> being used as a
> > > > Jet Direct device.  Is ther a way to set things up so that
> a classroom
> > > > group will default to the jet directed printer only?  If
> there is How do
> > > > I do it?
> > >
> > > Here is what I am gearing up to do along this same line:
> > >
> > > Scenario:
> > > Up to 200 thin clients attached to a single server. Each
> classroom has a
> > > networked printer that cups on the server knows about. Students have
> > > NIS/NFS roving profiles since they move around the school (middle
> > > school).
> > > During the login process, a script is run that determines the
> host name
> > > (all fixed-IP host name in dhcp.conf) that the student is
> accessing the
> > > server from.
> > > Host names are based on room number and station number:
> rmXXXwsYY where
> > > XXX is the room number and YY is the station number in the room.
> > > Printers are named similarly: rmXXXlaser
> > >
> > > At the moment, I am determining the best place to put the script
> > > (~/.xinitrc , ~/.bashrc , ~/.xsession , ... ) .
> > >
> > > Here is the script:
> > >
> > > #!/bin/sh
> > >
> > > # This script will identify the host name from which a login occurs
> > > # It will then use that name to set the default printer
> > > # This requires hostname formatted as rmXXXwsYY and pinters as
> > > rmXXXlaser
> > > # XXX is the room number and YY is the station number in the room.
> > > # the script runs as the user logging in and sets options in
> > > ~/.lpoptions
> > >
> > > export PATH="/bin:/usr/bin"
> > >
> > > lpoptions -d `netstat -t -e | grep ESTABLISHED | grep $USER | sed
> > > 's/:/ /g'| awk '{print $6}' | sort | uniq | cut -f 1 -d "." |
> sed 's/ws
> > > \w*/laser/'`
> > >
> > > # Place this script in /usr/local/bin/defaultprinter.sh on the server
> > > with 755 permisions
> > >
> > >
> > > NOTE: the lpoptions line is one line. email will wrap it.
> > >
> > > Part 2: Blocking printing to a printer not in the same room with the
> > > student:
> > >
> > > In cups, each printer should allow printing only from a given range of
> > > IP address. That is done with per printer settings in cupsd.conf.
> > > HOWEVER, I don't have this part working yet as the print job
> originates
> > > on the server and not the client. I am looking pykota/tea4cups as a
> > > possible way to rewrite the source address on the print job.
> > > >
> > > > Thanks in advance
> > > > Pat
> > > >
> > > > _______________________________________________
> > > > K12OSN mailing list
> > > > K12OSN at redhat.com
> > > > https://www.redhat.com/mailman/listinfo/k12osn
> > > > For more info see <http://www.k12os.org>
> > > --
> > > James P. Kinney III
> > > CEO & Director of Engineering
> > > Local Net Solutions,LLC
> > > 770-493-8244
> > > http://www.localnetsolutions.com
> > >
> > > GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> > > <jkinney at localnetsolutions.com>
> > > Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
> > >
> >
> > _______________________________________________
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> > K12OSN at redhat.com
> > https://www.redhat.com/mailman/listinfo/k12osn
> > For more info see <http://www.k12os.org>
> --
> James P. Kinney III
> CEO & Director of Engineering
> Local Net Solutions,LLC
> 770-493-8244
> http://www.localnetsolutions.com
>
> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> <jkinney at localnetsolutions.com>
> Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
>