On Thu, 30 Sep 2010 16:43:20 -0400, Patrick Wiseman wrote:

>> I have a menu item, 'sudo gedit', which has worked for years but just
>> stopped working (on a current testing system).  . . . 
> 
> Sorry to answer my own question - 'gksudo gedit' works (although why
> sudo no longer works, I don't know).

Found the answer for ya:

sudo has changed from a blacklist to a whitelist model for
environment variables.  I.e., sudo no longer lets DISPLAY through
without you telling it to first. See http://bugs.debian.org/349729
for instructions on workarounds

Ref:
http://old.nabble.com/Using-setenv-DISPLAY-td3261601.html

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