hai i also want to do this i have 50 users and 5 depts . i want that every dept user can only print from its dept printer not from other depts printer . no need to hide printers i just named them as dept name any idea waht i do
>From: David Johnston <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >CC: ltsp-discuss@lists.sourceforge.net >Subject: Re: [Ltsp-discuss] CUPS restrictions by location of terminals? >Date: Thu, 31 Aug 2006 23:01:19 -0400 > >On Thu, 2006-08-31 at 10:53 -0600, Roy Souther wrote: > > Yes it is important that the users not be able to see the other > > printers because there are about 20 printers in the school and that > > just confuses them. > >That sounds reasonable. > > > I cannot restrict printer access by user ID because students and staff > > will move between their class rooms and the computer lab, and staff > > will also want to print from the terminal in the staff room. > >So does this. > > > I think the MAC address of the terminal is the key. I can have each > > MAC address set in the dhcpd.conf to set the system name to identify > > the room it is in like rm16t1 rm16t2 and so on. Then when a user tries > > to print I can have some CUPS-backend that runs a simple bash script > > to take the $DISPLAY to find the terminal it is connected to then use > > that to find the MAC address, then the room and finally return the > > information about what printer should be usable to the CUPS server. > >Why mess with MAC addresses? If you use dhcp to give terminals names >based on the room they're in (et, rm16t1), then your bash script just >needs to do "room=`echo $DISPLAY | cut -dt -f1`. > > > I think you hit on one key issue, CUPS may not be able to hide the > > other printers. For that mater I don't even know if CUPS is able to > > set a different default printer for each user > >Setting a default printer is easy. In ~/.xsession or some other script >run as the user at login, run > lpoptions -d `echo DISPLAY | cut -dt -f1` > >This assumes that DISPLAY looks like "rm16t1" and that the printer in >room 16 is called "rm16". If some rooms share printers, you may need to >set up aliases in DNS (eg, rm15 CNAME rm16 if room 15 needs to print on >the printer in room 16). Then tell everyone to print to always print to >their default printer. > >Patching cups to do what you want might be easy, it might be very >difficult. You might contact the cups developers. > >-David > >------------------------------------------------------------------------- >Using Tomcat but need to do more? Need to support web services, security? >Get stuff done quickly with pre-integrated technology to make your job >easier >Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo >http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >_____________________________________________________________________ >Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: > https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >For additional LTSP help, try #ltsp channel on irc.freenode.net ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
