[kanchilug] Re: [Tip] Temporarily stop/start a process in linux
- From: "Tha.Suresh" <jemenisuresh@xxxxxxxxx>
- To: KanchiLug <kanchilug@xxxxxxxxxxxxx>, iitdlug@xxxxxxxxxxxxxxxx
- Date: Tue, 26 Oct 2010 19:28:57 +0530
---------- Forwarded message ----------
From: Chandrashekar Babu <lug@xxxxxxxxxxxxxxxxxx>
Date: Tue, Oct 26, 2010 at 6:13 PM
Subject: Re: [Ilugc] [Tip] Temporarily stop/start a process in linux
To: ilugc@xxxxxxxxxxxxx
On 25/10/10 9:33 PM, Tha.Suresh wrote:
> Sometimes we require a particular job to stop for a certain period
> and start again.
>
> Most of us familiar with the KILL command, But here is another cool
> feature of the KILL command,
>
> $ kill -STOP<pid>
>
> $ kill -CONT<pid>
>
On the same context, an interesting shell script snippet that I remember
using at my earlier organization (to tick off a bunch of
users who were running some wav to mp3 encoding tools on a
multi-user server) as below (save as schedule.sh and try):
------------------8<------------------8<--------
#!/bin/sh
SLEEPTIME=$1
shift
RUNTIME=$1
shift
PID="$*"
while true
do
kill -STOP $PID
sleep $SLEEPTIME
kill -CONT $PID
sleep $RUNTIME
done
----------------8<---------------------8<--------
To run at the shell prompt,
pgrep lame | xargs ./schedule.sh 5 1
Have fun!
--
Chandrashekar Babu.,
http://www.chandrashekar.info/
http://www.slashprog.com/
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--
Regards,
Tha.Suresh
Kanchi Linux User Group Rocks !!!!
http://kanchilug.wordpress.com
My experiences with Linux are here,
http://thasulinux.wordpress.com
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