SSH tips and tricks – Trickster Dev
SSH is well established protocol for securely accessing remote systems over the network for administration and devops purposes. A widely deployed OpenSSH software suite implements this protocol. But there is more to the SSH technology than reaching a remote shell over ssh(1) or copying files via scp(1)/sftp(1). We will go through some lesser known, somewhat advanced tricks and use cases that could be valuable in your daily work.
Most people don’t know that ssh(1) provides somewhat secret control sequences that can be used to manage in-progress connections. Make sure the last keystroke you have typed is Enter, then type the tilde character and question mark (~?). You will be given the following message listing other sequences you can do in a similar way:
Sometimes you want to run just a single OS shell command via SSH connection and get the output. That can be done with a standard SSH client by launching it with -t and passing your command as last argument:
