~ $ blender
guessing 'blender' == '/usr/bin/blender'
Compiled with Python version 2.5.1.
Checking for installed Python... got it!
Xlib:  extension "GLX" missing on display ":0.0".
intern/ghost/intern/GHOST_WindowX11.cpp:103: X11 glxChooseVisual() failed for OpenGL, verify working openGL system!
ERROR: Unable to open Blender window
~ $