Public bug reported:
Binary package hint: sudo
With upgrade to gutsy, sudo and kdesu stopped working.
[EMAIL PROTECTED] ~> sudo xterm
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified
Warning: This program is an suid-root program or is being run by the root user.
The full text of the error or warning message cannot be safely formatted
in this environment. You may get a more descriptive message by running the
program as a non-root user or by removing the suid bit on the executable.
xterm Xt error: Can't open display: %s
Note: The user's home is mounted via NFS (via default root_squash option).
Moving it to a local directory makes the above work.
Some analysis with strace (see trace below) showed that sudo tries to access
the user's ~/.Xauthority file, but fails due to the restricted root access on
the NFS share.
This was working without problems on feisty, in exactly this configuration. For
reasons of security it is probably needles to say that setting no_root_squash
option on the NFS share is *no*`option.
** Affects: sudo (Ubuntu)
Importance: Undecided
Status: New
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sudo X apps fails on NFS mounted homes
https://bugs.launchpad.net/bugs/157748
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