The X Window System is a display protocol which provides windowing or graphical user interfaces (GUIs) on most Unix-like operating systems, including those maintained by CCR. Included here are instructions for running an X-window environment on U2, CCR's production supercomputer.

X-Display from u2

X-Display to Linux/Unix Machine

• ssh -X u2.ccr.buffalo.edu
  • In most case the -X flag will work. If this fails, then try the -Y flag.
  • Your machine must be on the UB network.
  • Use VPN from home or offsite: UB-VPN

X-Display to Windows Machine

• The X-win32 must be started before the PuTTY Client.
• In the PuTTY client enable X11 forwarding.
  • Click on X11 under SSH in the left column.
  • Click on box to enable X11 forwarding.
  • Click on Open to connect.
• Your machine must be on the UB network.
• Use VPN from home or offsite: UB-VPN