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Just wanted to know if there was anyway of stopping a user from changing a session from gnome to kde when they login. Have a user, youngest son, that is all setup correctly with screen res etc. correct to run childsplay and gcompris under gnome but he then goes and logs out and changes to kde and it all goes wrong! system is ubuntu intrepid with him as desktop user security. (Moved him on to Linux as he messed up a load of pictures in my daughters folder in windose and to stop her killing him i set him up on my machine instead!) Gotta love REAL security eh?
These files are installed, by default, to <etc>/X11/sessions/. For backwards compatibility any desktop files in the <etc>/Sessions, <share>/xsessions, and <share/gdm/BuiltInSessions directories are also recognized by GDM.
A session can be disabled by editing the desktop file and adding a line that says Hidden=true.
If he likes KDE better, why not just set up his account under KDE?
What exactly do you mean "everything goes wrong"? I run KDE apps under Gnome, and vice-versa with no problems at all. If you give us specifics, someone might be able to help you correct the problem so your son can use his preferred environment. Just a thought...
If you use your control as root to give your son his own login, password, and /home, you can let him use, change, or be limited to just those applications and files, including one or more desktops, that you choose. If you made his /home a copy of the common /home, he could wreak joyous havoc with the permitted files, learn a good deal and have it all there to be restored if need be.
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