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{{Warning|text=This page is under construction}} | {{Warning|text=This page is under construction}} | ||
= | <code class="command">screen</code> is a screen manager with VT100/ANSI terminal emulation. | ||
<code class="command"> | == Basics == | ||
* Start a screen session (creates a single window with a shell in it): | |||
<code class="command">screen</code> | |||
* Invoke a screen command (consists of a "Ctrl + a" followed by one other character): | |||
C-a <code class="replace"><command_char></code> | |||
* Detach from this screen terminal (program continues to run when its associated screen session is detached): | |||
C-a d | |||
* Reattach a session (brings foreground a previously detached session): | |||
<code class="command">screen</code> -r | |||
* Invoke a screen customization command (used to set options): | |||
C-a : <code class="replace"><customization_command></code> | |||
== Multiuser mode == | |||
With multiuser mode, <code class="command">screen</code> reveal itself as a powerfull colaborative administration tool. | |||
=== Requirements === | |||
* <code class="command">screen</code> binary file must be setuid-root: | |||
<code class="command">chmod</code> u+s /usr/bin/screen | |||
* <code class="command">screen</code> socket directory must not be NFS mounted (your default must be changed if it is <code class="dir">$HOME/.screen</code>): | |||
<code class="env">SCREENDIR</code>=/tmp/screen-<code class="replace">username1</code> | |||
<code class="command">screen</code> -x | === Howto === | ||
* User, named <code>username1</code>, initiates a basic screen session: | |||
<code class="command">screen</code> | |||
* Then, he enables multiuser mode for this session: | |||
C-a : multiuser on | |||
* After that, he allows the others, like <code>username2</code>, to connect to his session: | |||
C-a : acladd <code class="replace">username2</code> | |||
* At last, allowed users, like <code>username2</code>, can attach to the multiuser session initiated by <code>username1</code>: | |||
<code class="command">screen</code> -x <code class="replace">username1</code>/ | |||
Revision as of 18:55, 24 March 2006
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Warning |
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This page is under construction | |
screen is a screen manager with VT100/ANSI terminal emulation.
Basics
- Start a screen session (creates a single window with a shell in it):
screen
- Invoke a screen command (consists of a "Ctrl + a" followed by one other character):
C-a <command_char>
- Detach from this screen terminal (program continues to run when its associated screen session is detached):
C-a d
- Reattach a session (brings foreground a previously detached session):
screen -r
- Invoke a screen customization command (used to set options):
C-a : <customization_command>
Multiuser mode
With multiuser mode, screen reveal itself as a powerfull colaborative administration tool.
Requirements
screenbinary file must be setuid-root:
chmod u+s /usr/bin/screen
screensocket directory must not be NFS mounted (your default must be changed if it is$HOME/.screen):
SCREENDIR=/tmp/screen-username1
Howto
- User, named
username1, initiates a basic screen session:
screen
- Then, he enables multiuser mode for this session:
C-a : multiuser on
- After that, he allows the others, like
username2, to connect to his session:
C-a : acladd username2
- At last, allowed users, like
username2, can attach to the multiuser session initiated byusername1:
screen-xusername1/