From: Randall Parker 

Tony Williams wrote:
> Randall Parker wrote:
>> I did su to switch to root. Then I started gedit to go edit the hosts
>> file. When I did I got:
>>
>> [root{at}localhost randall]# gedit
>>
>> (gedit:4050): GnomeUI-WARNING **: While connecting to session manager:
>> Authentication Rejected, reason : None of the authentication protocols
>> specified are supported and host-based authentication failed.
>>
>>
>> What does that mean?
>
> Could be that your X session is set up to disallow other users from
> opening new windows.

But gedit does open okay and works when I get that warning.

> Try running "xhost root" before you su. "man
xhost" for gory details of
> how to make it permanent.
>
> (BTW, I recommend sudo instead of su - far safer.)

xhost, su, sudo: Linux/Unix sure does have lots of commands.

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