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Re: Root access to x windows



Hello, not a direct answer to your problem, but a workaround could be:

-Run xwindows as the normal user
-su - (inside a shell window)
-Run the GUI you want to use with root access.

Cheers,
Dan




On 17 Oct 2002 10:47:19 +0200
Scott Melnyk <scottmel sbc su se> wrote:

> Hello,
> I have somehow during a large number of updates in a short period of
> time managed to turn off  roots ability to use X display as the
> default.
> 
> first:
> 
> [10:28:43] [scottmel XXXX ]$ xterm <<THIS worked
> [10:28:52] [scottmel XXXX]$ su 
> root's password: 
> [root XXXX]# 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
> 
> I then exit root and use su - just in case so it uses root path
> 
> [root XXXX root]# xterm
> 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
> 
> trying to use graphical tools is now very hard...
> 
> [root XXXX root]# printtool&
> [1] 21881
> [root XXXX root]# No display information -- gtk_init not called
> 
> Gtk-WARNING **: cannot open display: 
> 
> as a user I could do xhost +localhost then as root export DISPLAY=:0
> but this open security complications and is awkward as I ssh around a
> few machines. 
> 
> A default installation does allow the x window access.  Where should
> Look to fix this?
> -- 
> Sincerely,
> 
> Scott Melnyk
> 
> 
> 
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