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Guide to use tmux on a remote machine

This project involves long processes and as a result, tmux becomes a handy tool essentially for idling long processes like python files on a remote virtual machine. Here is the guide of using tmux.

Steps

  1. Run this command to launch a new session named trainjob (for example) on tmux: tmux new -s trainjob.
  2. As a good practice, create a virtual environment and install necessary dependencies with this command: python3 -m venv [environment_name].
  3. Run this command to activate the virtual environment: (Linux) source venv/bin/activate; (Windows) ./venv/Scripts/activate.
  4. Run your python script on tmux with this command: python3 train.py.
  • Note: If you intend to keep track of logs on the terminal, please run this command python3 train.py > train.log 2>&1, and you could inspect the log file anytime with this command tail -f train.log.

Other useful tmux commands

  • To list all the tmux sessions: tmux ls.

  1. To attach (go back/load an existing session): tmux attach -t (session name/no.).

  2. To kill a tmux session: tmux kill-session.

  1. To kill a tmux server: tmux kill-server.