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Old 2nd April 2008, 05:00 AM
suneesh Offline
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Join Date: Feb 2008
Posts: 34
cannot connect to X server localhost:10.0

Hello All,
I aam using fedora core 6 in my office desktops. While am ssh ing to one machine am not getting X windows. For example if am taking opera from that machine it will give an error "cannot connect to X server localhost:10.0".. can anyone help me......?
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Old 2nd April 2008, 03:24 PM
sideways Offline
Retired User
Join Date: Oct 2004
Location: London, UK
Posts: 4,999
Some things to try:

check X11Forwarding is enabled in sshd_config

try 'ssh -X localhost' on the problem machine and see if you can open windows in the ssh session locally (it will still be using X11Forwarding through ssh)

Try 'ssh -Y' instead of 'ssh -X' to enable trusted X11Forwarding

Try logging in as a different user, try root if it's allowed.

Restart the problem machine.

reinstall openssh server on the problem machine (yum remove openssh, yum install openssh)
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Old 3rd April 2008, 03:24 AM
suneesh Offline
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Join Date: Feb 2008
Posts: 34
Hello ,
X11Forwarding is enabled in the sshd_config file
I tried both -X and -Y option . Also tried another user login even root. But no luck .....pls help
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Old 3rd April 2008, 03:33 AM
suneesh Offline
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Join Date: Feb 2008
Posts: 34
I reinstalled openssh but stil the same problem......
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connect, localhost100, server

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