I have Ubuntu Server 11.04 with at least 20 clients LTSP, in 7 clients we have HP LaserJet 1005p connected via USB, sometimes the printers appear likes disconnected, the only way to fix it is unplug...
I donīt know the name of the appl, I think that with the upgrade the app is not installed, by example one of them is the appl that show the printers connected to the system, and by there you can...
We had Ubuntu Server 10.10, after upgrade to Ubuntu Server 11.04 some applications doesn't works by example "Printing" on "Sysmte- Administration" and User Administration GUI, how can I fix it?