Thanks, I'll look into sux.... On Wednesday 12 April 2006 19:14, Casey T. Deccio wrote: > On Wed, 2006-04-12 at 18:49 +0200, Chris wrote: > > Hello, > > > > Hi I'd like to open X-applications like the in the example below from an > > su Terminal, but get an Xlib connection error. I have set up sudo so > > that: sudo kwrite /etc/fstab works, but how come it doesn't in a normal > > su Terminal? > > > > Thanks, > > > > Chris > > > > athlon:/home/stoffel# kwrite /etc/fstab > > Xlib: connection to ":0.0" refused by server > > Xlib: No protocol specified > > > > kwrite: cannot connect to X server :0.0 > > The credentials for using an X server are found in the .Xauthority file > of each user's home directory. If you run 'xauth list' from the > non-privileged user account, you will see the credentials to the X > server you are working on. However, root does not have appropriate > credentials in its .Xauthority until they are granted. > > When sudo is used, the HOME directory is not modified, so even though > root is running the program, the HOME is still that of the original > user, so the .Xauthority contains the appropriate credentials. > > However, when using su, the HOME changes to root's home directory, and > the appropriate credentials do not exist in ~root/.Xauthority . 'man > xauth' for more details. > > There is a wrapper package for su called sux, which grants the resulting > su user permissions to the current X server when sux is called. > > Casey
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