<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Re Santanu's post: <blockquote>Hi there, Just installed KVM on my server without any xwindows system. Then ssh onto the server (with X11Forward on) and found virt-manager can't open display when I issue the command: </blockquote> <blockquote> <pre>santanu pcge:~$ ssh -X root vmw01 root vmw01's password: Last login: Mon Nov 8 15:51:39 2010 from pcge [root vmw01 ~]# virt-manager Traceback (most recent call last): File "/usr/share/virt-manager/virt-manager.py", line 376, in ? _show_startup_error(str(run_e), "".join(traceback.format_exc())) File "/usr/share/virt-manager/virt-manager.py", line 52, in _show_startup_error import gtk File "/usr/lib64/python2.4/site-packages/gtk-2.0/gtk/__init__.py", line 76, in ? _init() File "/usr/lib64/python2.4/site-packages/gtk-2.0/gtk/__init__.py", line 64, in _init _gtk.init_check() RuntimeError: could not open display </pre> </blockquote> I'm a bit rusty on my X, despite setting my DISPLAY variable I got the same error, I think my display is firewalled from the server in question. However, I'm using putty / ssh to acces sthe server, and if I turn on X11 forwarding, my env variable is auto-set to a correct value, and I get the X output on my PC's xterm display. - Ian </div></body></html>