[CentOS] Can not get remote X connections to work on CentOS 4.1

Alfred von Campe alfred at 110.net
Tue Oct 18 08:59:12 UTC 2005

I've encountered a strange problem in CentOS 4.1.  I've never had this 
problem before, and I've been using X Windows since 1990, but I can't 
get remote X connections to work:

   $ hostname
   $ echo $DISPLAY
   $ xhost +
   access control disabled, clients can connect from any host
   $ rsh host01
   $ xdpyinfo -d host00:0.0
   xdpyinfo:  unable to open display "host00:0.0"

Both hosts are running CentOS 4.1 and SELinux is disabled.  I know I 
can get this to wok with ssh, but that is not the point.  Also, it's 
not a host name resolution problem, as substituting the IP address in 
the above command gives the same error.  Finally, note that there is 
about a 3-4 second delay before the error message appears.

Any recent changes in X that I am unaware of?


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