Difference between revisions of "Screen Tutorial"
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| + | [https://www.gnu.org/software/screen/ GNU screen] is a utility which permits you to disconnect from a terminal session and reconnect from the same or a different location later. It also has a number of advanced features such as multiple sessions over a single connection and session sharing between multiple users. This tutorial covers the most basic and useful use-case. | ||
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| + | # Connect to a system, either by logging in locally or logging in remotely via [[SSH]]. | ||
| + | # Start screen: <code>screen -RaD</code> | ||
| + | #* The <code>-RaD</code> options tell screen to start a session if none exists, or take over an existing session is one does exist, and to detach any existing remote connections to that session. | ||
| + | # Perform whatever operations you desire. | ||
| + | # Disconnect by pressing '''Ctrl-A''' then '''D'''. | ||
| + | # You can now disconnect/close your local login or ssh connection. | ||
| + | # To resume from the same or other location, issue the command from step 2. | ||
| + | |||
| + | For additional details, see the manpage for screen. | ||
| + | |||
| + | === Alternatives === | ||
| + | |||
| + | An alternative to screen is [https://tmux.github.io/ tmux]. | ||
| + | |||
| + | For a similar disconnect/reconnect capability for graphical applications, see VNC. | ||
Revision as of 11:38, 2 December 2015
GNU screen is a utility which permits you to disconnect from a terminal session and reconnect from the same or a different location later. It also has a number of advanced features such as multiple sessions over a single connection and session sharing between multiple users. This tutorial covers the most basic and useful use-case.
- Connect to a system, either by logging in locally or logging in remotely via SSH.
- Start screen:
screen -RaD- The
-RaDoptions tell screen to start a session if none exists, or take over an existing session is one does exist, and to detach any existing remote connections to that session.
- The
- Perform whatever operations you desire.
- Disconnect by pressing Ctrl-A then D.
- You can now disconnect/close your local login or ssh connection.
- To resume from the same or other location, issue the command from step 2.
For additional details, see the manpage for screen.
Alternatives
An alternative to screen is tmux.
For a similar disconnect/reconnect capability for graphical applications, see VNC.
