There are times that I want to access to my computer in my laboratory remotely. However, it is inside the lab’s internal network. Luckily, There is a gateway that I make a ssh connection to. The simplified scenario is shown below.
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To access my computer in the internal network, I can create a tunnel by running this command on my laptop:
This command will create a tunnel that will forward the local port PORT to my
computer port 22 (SSH).
-N is for not executing a remote command.
After that, I can simply ssh to my computer using the following command:
And that’s all.