Verifier qu'un demon tourne

linux
1

Voici un cht’i script bash a executer en cron. Trois exemple pour squid, qmail et le pop3(qmail)






#!/bin/sh 

ps -ef | grep  squid | grep -v grep   

[  $? -ne 0 ] && { 

  /etc/init.d/squid restart

  sleep 30

}



ps -ef | grep qmail | grep -v grep     

[ $? -ne 0 ] && { 

  /etc/init.d/qmail restart

  sleep 30

}

ps -ef | grep pop3d | grep -v grep     

[ $? -ne 0 ] && { 

  /etc/init.d/qmail restart

  sleep 30

}
2

Methode #2



#!/bin/sh -e



pid=/var/run/mon/mon.pid

running_mon_pid=`cat $pid 2>/dev/null` || true



[ -f $pid -a /proc/"$running_mon_pid"/exe -ef /usr/bin/perl ] || /etc/init.d/mon restart



exit 0