[ale] remote X problems.

Dow Hurst dhurst at kennesaw.edu
Thu Aug 7 14:44:46 EDT 2003


You will have to make sure that O has permission to display on T since 
ssh will setup the xauth between P and O but not anything between T and 
O.  Got that? ;-)

xauth is the user level authentication technique for X on most Linux 
distros as set by default.  An older less secure implementation that is 
host level is xhost.

SSH will manage xauth requirements transparently for you.  Why don't you 
SSH directly from T to O?  That would solve your problem.  Otherwise you 
will need to do the xauth management yourself.  Read the xauth manpage 
for the nextract and nmerge commands.  What you get nextract out of O's 
Xserver will be nmerged into T's Xserver.
Dow


David Corbin wrote:

>When I attempt to launch an X application, I get the following:
>
>X11 connection rejected because of wrong authentication.
>X connection to localhost:11.0 broken (explicit kill or server shutdown).
>
>I can find no log message that tells me anything helpful.  Can someone point 
>me in the right direction?  Below shows my setup.  I am sitting at machine T, 
>logged into P via KDM.  I then use ssh to access machine O, where I cannot 
>launchan X application.
>
>T ----via KDM----  P  ----ssh -X----O
>
>Thanks for the help.
>David
>_______________________________________________
>Ale mailing list
>Ale at ale.org
>http://www.ale.org/mailman/listinfo/ale
>
>  
>

-- 
__________________________________________________________
Dow Hurst                  Office: 770-499-3428           
Systems Support Specialist    Fax: 770-423-6744           
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Chemistry Department SC428  Email:   dhurst at kennesaw.edu  
Kennesaw State University         Dow.Hurst at mindspring.com
Kennesaw, GA 30144                                        
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