Sometimes it happens that SSH connections lock up. For example due to weird SSH server configuration or bad connectivity on your side, suddenly your SSH connection is broken. You cannot send any more comments via the SSH connection. The terminal just doesn’t react.
And that includes the typical exit commands: Ctrl+z or Ctrl+d are not working anymore. So you are only left with the choice to close the terminal – right? In fact, no, you can just exist the SSH session.
The trick is:
Enter+~+.
Why does this work? Because it is one of the defined escape sequences:
The supported escapes (assuming the default ‘
https://man.openbsd.org/ssh#EXIT_STATUS~’) are:~.Disconnect.~^ZBackgroundssh.~#List forwarded connections.~&Backgroundsshat logout when waiting for forwarded connection / X11 sessions to terminate.
[…]
To many of you this is probably nothing new – but I never knew that, even after years of using SSH on a daily base, so I had the urge to share this.
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