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vnc [2023/01/04 11:59] jansenvnc [2023/10/13 14:50] (current) jansen
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-You cannot directly connect to a vncserver from outside the institute, since VNC itself is only minimally encrypted, and not secure enough to be exposed to the net. The solution is then to combine VNC with a SSH tunnel. +You cannot directly connect to a vncserver from outside the institute, since VNC itself is only minimally encrypted, and not secure enough to be exposed to the net. The solution is then to combine VNC with a SSH tunnel. And since many of our servers and compute nodes and clusters are not directly reachable from outside, you may need to set up a ssh ProxyJump (see [[ssh:tipsandtricks|SSH tips and tricks]]).
  
 Now we could try to describe how to set up such a tunnel, but the mechanism is know to vncviewer, so usually it is as easy as adding ''-via'' and a hostname to handle the ssh setup. Now, since all our Linux computers are reachable through ssh, it is usually best to use the same computer for ssh that is running your vnc session. The command to start the viewer will then be:  Now we could try to describe how to set up such a tunnel, but the mechanism is know to vncviewer, so usually it is as easy as adding ''-via'' and a hostname to handle the ssh setup. Now, since all our Linux computers are reachable through ssh, it is usually best to use the same computer for ssh that is running your vnc session. The command to start the viewer will then be: 
vnc.txt · Last modified: 2023/10/13 14:50 by jansen