Screen and Tmux Best Pratice¶
screen allows you to detach your session from your current login session.
So in case you get disconnected your screen session will stay alive.
You have to reconnect to screen on the machine that you started it. We thus recommend starting it only on the login nodes and not on a compute node.
Start and terminat a screen session¶
You start a new
screen session by
Detach a screen session¶
If you want to detach your screen session press
List screen sessions¶
To list all your screen sessions run
$ screen -ls There is a screen on: 2441.pts-1.med0236 (Detached) 1 Socket in /var/run/screen/S-kbentel.
Reattach screen session¶
To reattach a screen session run
$ screen -r screen_session_id
If you do not know the
screen_session_id you can get it with
screen -ls, e.g.
2441.pts-1.med0236 in the example above. You do not have to type the whole
screen_session_id only as much as is necessary to identify it uniquely. In case there is only one screen session detached it is enough to run
Kill a detached screen session¶
Sometimes it is necessary to kill a detached screen session. This is done with the command
$ screen -X -S screen_session_id quit
Multiple windows in a screen session¶
It is possible to have multiple windows in a screen session. So suppose you are logged into a screen session, these are the relevant shortcuts
new win: Ctrl+a c next/previous win: Ctrl+a n/p
To terminate a window just enter
Here is a sensible screen configuration.
Save it as
Fix a broken screen session¶
In case your screen session doesn't write to the terminal correctly, i.e. the formatting of the output is broken, you can fix it by typing to the terminal:
$ tput smam