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Created June 15, 2024 19:52
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Advance SSH usage
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ssh.md

SSH and SSH Tunnel Instructions

The secure and correct way to communicate with non-public services on a virtual server machine is via ssh tunnel (services like managment console or a database).

To create a simple ssh tunnel from your host machine to the server on the same port number:

ssh -L 9090:localhost:9090 god@kewldomain.com

However, you probably don't want to type this every time or remember the port numbers of each of your machines. In that case edit your local ssh config file ~/.ssh/config and add the following below other settings:

Host monitor.vps1
    HostName kewldomain.com
    User god
    LocalForward 9090 localhost:9090

Now you can just type ssh monitor.vps1 and it will connect the machine and open a secure tunnel to the service on port 9090 (no need to update the hostfile).

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