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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 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 redhat com [mailto:k12osn-bounces 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 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 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 localnetsolutions com>
> > Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
> >
> 
> _______________________________________________
> K12OSN mailing list
> K12OSN 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 localnetsolutions com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7

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