For more information, see the tmux plugin manager. There are also a number of tmux plugins available. For more information, see the following guide. The look and behavior of tmux can be customized by creating and modifying the configuration file ~/.nf. Once you are done with a session, you can end the session by entering exit or using the key binding Ctrl+D from within the session (multiple times if you have multiple panes open).Īlternatively, from outside the tmux session, enter: tmux kill-session -t Customizing tmux Then use the session name or ID to reattach to that session: tmux a -t End session If you have multiple sessions, first list the sessions: tmux ls If you only have one previous tmux session, to reattach simply enter: tmux a Reattach to sessionĪt a later time, even after logging out of CARC systems, you can reattach to a previous tmux session as long as you are on the same login or transfer node where the tmux session was created. This will return you to the original shell where you started the tmux session. To detach from a tmux session, use the key binding Ctrl+B then D. The following table describes some useful key bindings: Key binding WorkĪfter the tmux session opens, you can then run a process, develop scripts or programs, etc. For general information on jobs, see our Running Jobs user guide. This will keep the job running even if you detach from the session and log out (e.g., disconnections). If you want to use tmux with an interactive job, first start a new tmux session on a login node, and then use salloc from within that session to start an interactive job. Make sure to use a descriptive session name. To start a new named session, enter: tmux new -s Basic tmux workflowĪfter loading the module, tmux can be used on a login or transfer node as well as on a compute node during an interactive job.Ī typical tmux workflow looks like the following: If you want to keep tmux session information across reboots, then you would need to use a plugin like Tmux Resurrect. You can set this variable manually, after loading the module, if you want to save the session information to a different location.Īlso keep in mind that login nodes are rebooted every so often, such as during maintenance periods. All tmux session information will be saved here. The tmux module sets the TMUX_TMPDIR to a /scratch1//tmux/ directory. Instead of logging in to or, choose a specific login node: For example: module load gcc/11.3.0 tmux/3.3aĪ tmux process is unique to a node, so if you're using tmux on a login node, make sure to always log in to the same login node if you want to reattach to previous tmux sessions. You can use tmux by loading a corresponding software module. You can find instructions for this in the Getting Started with Discovery or Getting Started with Endeavour user guides. For developing scripts and programs interactivelyīegin by logging in.Splitting the screen of one terminal into "panes" for interactive jobs.Backgrounding long-running data transfers.Some use cases for tmux on CARC systems are: Tmux may be detached from a screen, continue running in the background, and then later reattached, even after logging out from CARC systems. Tmux is a terminal multiplexer, enabling a number of terminals to be created, accessed, and controlled from a single screen.
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