I have an access to a remote Ubuntu machine of my Lab's, and the machine has public IP
aaa:bbb:cc:ddd. (I am going to build a website.)
In the Lab, I can connect successfully with SSH, in CLI, to
I want to set up remote desktop from the remote machine.
I have followed the instructions here.
However, VNC listens to port 5901, and the administrator only opens ports 22 and 80 of
Isn't port 22 already used by SSH?
How do I connect to the machine with VPN through port 22?
Should I ask the administrator to open port 5901?
Or, if VNC is not possible, what are alternatives which provide a remote desktop session?