[KLUG Members] Problem with launching applications

[greenproc]

Anthony G. Mattas wrote:
> Actually the problem lies in the fact that your using a sudo su shell.
> Just use su with the root password and that will work as well. sudo
> anything will break in x for the most part.

I've been a lucky guy so far then, because I've never had problems with
an x app in a 'sudo su' shell before.  It's good to be aware that there
are *supposed* to be problems with this method <g>

> 
> On Sat, 2006-01-21 at 15:02 -0500, Adam Tauno Williams wrote:
> 
>>>My problem is launching gui applications from a 'sudo su' root shell.
>>>Synaptic fails with:
>>>(synaptic:22507): Gtk-WARNING **: cannot open display:
>>>debaser:/home/user# synaptic

>>>How would one begin troubleshooting this type of problem?  
>>
>>In switching user contexts you've either lost the value of the DISPLAY
>>variable or the X authentication cookie, or both.  This isn't really
>>meant to work (go to shell, su, run GUI app).
>>
>>
>>>I am able to
>>>launch both synaptic and k3b by using the gnome gui -- they prompt me
>>>for my root password and everything works fine.  But not from within a
>>>'sudo su' root shell.
>>
>>Correct,  run "gnomesu", like I run "/opt/gnome/bin/gnomesu -c
>>"/usr/sbin/pptp mail.morrison.iserv.net call morrison-vpn"" to startup
>>my VPN.  The "gnomesu", and KDE must have an equivalent, makes sure all
>>the required bits make it across the river.

I'll check out gnomesu and see how it works.  At least I know why the
problem existed with my 'sudo su' shell.

Thaks guys.

> 
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