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If you want to run a lightweight application in a remote VNC desktop (one that does not require much memory, cputime or a gpu) you may start a VNC server on a cluster login node and then connect to it with the following procedure: | If you want to run a lightweight application in a remote VNC desktop (one that does not require much memory, cputime or a gpu since login node limits will apply here) you may start a VNC server on a cluster login node (such as graham) and then connect to it with the following procedure: | ||
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1) Since moving to turbovnc on the clusters, the previously documented MaxConnectionTime of 1hr (3600 sec) is no longer supported. Instead we suggest you set an idle timeout value to something like 7days before your session is killed. This way unused sessions consuming vital memory resources will not accumulate on cluster login nodes over time. | 1) Since moving to turbovnc on the clusters, the previously documented MaxConnectionTime of 1hr (3600 sec) is no longer supported. Instead we suggest you set an idle timeout value to something like 7days before your session is killed. This way unused sessions consuming vital memory resources will not accumulate on cluster login nodes over time. The first time you connect, vncserver will require a password be specified which can be changed later as described below. | ||
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You will require a password to access your desktops. | You will require a password to access your desktops. | ||
Password: | Password: | ||
Verify: | Verify: | ||
Would you like to enter a view-only password (y/n)? n | Would you like to enter a view-only password (y/n)? n | ||
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[gra-login2:~] grep -iE "\sport|kill" /home/username/.vnc/gra-login2:2.log | [gra-login2:~] grep -iE "\sport|kill" /home/username/.vnc/gra-login2:2.log | ||
03/09/2024 17:48:40 Listening for VNC connections on TCP port | 03/09/2024 17:48:40 Listening for VNC connections on TCP port 5903 | ||
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