[CentOS] ssh X11 forwarding not working

[Craig White]

On Tue, 2007-10-09 at 17:21 -0700, James A. Peltier wrote:
> I'm having problems with ssh.com and X11 forwarding
> 
> ssh: SSH Secure Shell 3.2.0 (non-commercial version) on i686-pc-linux-gnu
> 
> I am in the process of testing some of my machines with CentOS 5 
> x86/x86_64 and have run into a bit of a snag.  X11 Forwarding is not 
> working.
> 
> I've tried all combinations of (+/-)[Xx] and it doesn't work, seemingly 
> it doesn't want to set the environment variable properly and therefore 
> doesn't know where to send the X requests.
> 
> Any hints?  I've checked the ssh config files and they seem to be 
> identical to the config files on our existing SuSE 10.0 machines which 
> are working.  This is troubling indeed.
----
normally, I just

ssh -XC some_host_somewhere

and it works

Craig