How to attach to an existing tmux session?
To get the list of existing tmux session use tmux ls command.
> tmux ls 0: 1 windows (created Wed Dec 16 16:45:19 2020)
Here there is one session that already exists. To attach to this particular session ‘0’ we can use the following command.
> tmux attach-session -t 0
This will open the existing tmux session.
See also unable to create listener: Error listen tcp4 0.0.0.0:443: bind: permission denied - Fix in Ubuntu
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