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Old 04-15-2009, 10:24 PM   #1
Registered: May 2004
Location: India
Distribution: Ubuntu 9.04, Debian Lenny
Posts: 121

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Wink Scheduling a program to automatically start/stop


I am using ubuntu 8.10. I want to automatically start/stop a program(gwget,bittornado gui) at specific time.I tried the program GNOME Schedule.The task is shown cleared at a specific time, but it is not executed. Also I tried adding to cron jobs,but it didnt get executed.Please help.
Old 04-16-2009, 12:12 AM   #2
Registered: Mar 2009
Location: Colorado, US
Distribution: Fedora 13, Fedora 14, RHEL6 Beta
Posts: 46

Rep: Reputation: 17
The problem is that these are GUI apps, and crons and GNOME Schedule are designed to run command-line apps. The program has no way to attach to the display when run from these tools.

If you start the program with a script (by running "gwget &" for example) , you can capture the PID (in the special variable "$!" in bash). You can then set timers with "at" to send "STOP" and "CONT" signals with kill.

gwget ... &
# Only download at night when no one is watching...
echo "kill -s STOP $pid" | at 6AM
echo "kill -s CONT $pid" | at 10PM
It may not work cleanly for many reasons...
Old 04-16-2009, 04:51 AM   #3
Registered: Apr 2009
Posts: 108

Rep: Reputation: 24
gwget is just a wrapper for the commandline tool wget.
There are a lot of commandline torrent tools available to replace your current GUI tool for torrents.

Switching to commandline tools will allow you to use cron jobs and GNOME Schedule jobs. Even more, you write your own shell scripts to do exactly what want to achieve.

Last edited by Tinkster; 10-30-2010 at 04:12 PM.


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