[clue] ubuntu admin login as user

[Matt Dew]

xhost +si:localuser:hisusername

will allow only a local acct named hisusername to open windows.



On 03/11/2011 11:34 AM, Chris Hirsch wrote:
> You can probably also do a "xhost +" from the logged in user in a
> terminal window. This allows anybody to connect to your X server
> including root.
>> Yaverot writes:
>>> I can:
>>> sudo su hisusername
>>> but then the program I want to run can't access the running copy of X.
>> I'd assume you're getting something about not being able to
>> authenticate to the X server.  "Invalid MIT-MAGIC-COOKIE-1 key" or
>> somesuch.  Or possibly that DISPLAY isn't set at all.
>>
>> If so, try this instead:
>>
>>     echo $DISPLAY
>>     xauth list
>>     # sudo clears lots of environment variables.
>>     # su without '-' option changes a few, too
>>     sudo su hisusername		
>>     export DISPLAY=WHAT_DISPLAY_WAS_SET_TO_ABOVE
>>     export XAUTHORITY=~hisusername/.Xauthority
>>     xauth add OUTPUT_FROM_XAUTH_LIST_COMMAND_ABOVE
>>
>> Hope this helps.
>>
>> - Aaron
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