If you are on a Mac, complete all of the steps. If you are getting these types of errors, follow the steps below to set up passwordless ssh. You are now connected to Discovery at a login node.Įrrors that you can see on both Mac and Windows when launching a GUI-based program include the following:Įrror: unable to open display localhost:19.0
If you need to use X11 forwarding, type ssh -Y Type your Northeastern password and press Enter. The default Terminal program that comes with your Mac (see Step 1 in the procedure below).
Do not use the Terminal application from within XQuartz to sign in to Discovery. If you close and restart XQuartz, you will need to execute the above command again after restarting. You should keep XQuartz running in the background.
If you use Mac OS X version 10.8 or higher, and you have XQuartz running in the background to do X11 forwarding, you should execute the following command in Terminal once before connecting to Discovery:ĭefaults write 11 enable_iglx -bool true
