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xhost: unable to open display ":0.0"



jbk wrote:
> # su -
> -bash: \e[3~:delete-char: command not found
> Xlib: connection to ":0.0" refused by server
> Xlib: No protocol specified
> 
> xhost:  unable to open display ":0.0"
> 
> This symptom occured after upgrading Fc3 to Fc4. It only happens when I 
> login as root locally. If I SSH from another machine and then 'su -' I 
> have no trouble.
> 
> "xhost +localhost" is defined in root's .bash_profile.
> 
> A fresh install on my laptop did not exhibit this problem.
> 
> I am googling the mailing lists but have yet to find reference to this 
> particular circumstance.

I assume you started X as a regular user.  That regular user has to adjust 
the security of the X session, not root.  Put the "xhost +localhost" in 
_that_ user's .bash_profile.




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