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Conspy : tiny screen or VNC

Slitaz core provides the 10Kb conspy to get remote control of Linux virtual consoles. See

Slitaz opens 6 virtual consoles which you can access with Ctrl-Alt-F1 to Ctrl-Alt-F6. You can connect to console 1 with conspy 1 and console n with conspy n or the current active console with conspy (root user only).

To exit from conspy (and the virtual console) press the escape key three times in quick succession.

Conspy as screen (session manager)

Linux supports up to 63 virtual consoles. You can have up to 62 (63 - X11 on console 7) sessions. Six sessions are already opened by Slitaz. You can open a new console / new session (say console 28) with openvt -c 28 /bin/login or openvt -c 28 /bin/ash. You can free this virtual console with deallocvt 28.


home$ ssh tux@slitazbox
box$ su
box# openvt -c 28 /bin/ash
box# conspy 28
# some commands
box# exit
box$ exit


home$ ssh tux@slitazbox
box$ su
box# conspy 28
# more commands
# <ESC><ESC><ESC> 
box# exit
box$ exit

To close the session:

home$ ssh tux@slitazbox
box$ su
box# conspy 28
# exit
box# deallocvt 28
box# exit
box$ exit

If you prefer to use screen, see

# tazpkg get-install screen
$ screen -S MySession

Conspy as VNC (shared console)

You can share a virtual console between two or more users. Say RemoteUser wants to show some commands to SlitazUser using SlitazBox. RemoteUser selects SlitazUser's console with chvt:

home$ ssh SlitazBox
SlitazBox$ su
SlitazBox# chvt 1
SlitazBox# conspy 1

Now both users show the same terminal. A third user can do conspy 1 too.

If you prefer to share the X11 display, install x11vnc (VNC server) and x11vnc-extra (java VNC client) see

SlitazBox# tazpkg get-install x11vnc
SlitazBox# tazpkg get-install x11vnc-extra
SlitazBox# /etc/init.d/x11vnc start
home$ su
home# get-java-jre
home# exit
home$ firefox http://SlitazBox:5800/ultrasigned.vnc

Conspy and Busybox

Conspy is a busybox applet since busybox 1.17.0. It add 2.5Kb to busybox and supports some new opions:

  • -c to create missing devices (/dev/vcsaXX and /dev/ttyXX)
  • -d for screen shot
    conspy -d 28 > screen28.txt
  • -s to launch a shell
    conspy -cs 28

Conspy applet is enabled in busybox package. Conspy package is no more useful with a rescent busybox.

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en/guides/conspy.1280507487.txt.gz · Last modified: 2010/07/30 18:31 by bellard