I use the attached script to send a broadcast message to my clients
using zenity. Thanks to Scott Balneaves and others who helped me with it
on #ltsp - If you save it to /usr/bin then the usage is:
announce "The server is going down!"
-Michael
Tomasz Lewicki wrote:
Hello!
I'm using LTSP 4.2u4 with openSUSE 10.2 (64-bit version) and KDE as desktop
environment with success - thank you LTSP guys! :) System is installed in
university library. 10 terminals have very limited environment - after power
in they log in users (named opac001...opac010) automatically, open Konqueror
in fullscreen mode, turn off all window decorations, Kicker, applets and
keyboard shortcuts. Web browser has only few buttons, no menu, no address
field etc. Home page (one and only possible page) is library's search system
web page. Machines turn off automatically (using
ltspinfo -h=wsxxx --shutdown) 5 minutes before library closing time.
Another 4 terminals have less limited environment. People use them for web
browsing in search of scientifical materials, for simple wordprocessing
[Ctrl+C -> Ctrl+V ;)] and for printing some documents. These four machines
are using KDE too.
It would be great to automagically send some messages to logged in clients,
especially at the end of day. Let's say library closes at 7pm. I want to
inform people standing before terminals' screens at 6:45pm with some dialog
window that they should end their work because terminals will shut down in 10
minutes. I want do it with cron and native KDE's 'kdialog' preferably. I'm
not sitting in front of terminal server, but control it with SSH session.
How can I make it?
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#!/bin/bash
for PID in $(pgrep metacity); do
DISPLAY=$(cat /proc/${PID}/environ | tr '\0' '\n' | grep DISPLAY | sed -e
's/DISPLAY=//')
XAUTHORITY=$(cat /proc/${PID}/environ | tr '\0' '\n' | grep XAUTH | sed -e
's/XAUTHORITY=//')
zenity --info --text="$1" &
done
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_____________________________________________________________________
Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help, try #ltsp channel on irc.freenode.net
