简单的可配置的，监控进程运行的shell脚本

#!/bin/sh
echo `date`
while read line
do
  pcount=`ps -ef | grep "$line" | grep -v grep -c`
  if [ $pcount -gt 0 ]; then
    echo "'$line' process already run"
  else
    echo "start '$line'"
    $line
  fi
done < /data1/weibo/daemon_list.cfg

daemon_list.cfg:
============================
/usr/local/sinasrv/php5/bin/php /data1/weibo/monitor/monitor_d.php start
/usr/local/sinasrv/php5/bin/php /data1/weibo/longtail/chaxinwen_get_d.php start
/usr/local/sinasrv/php5/bin/php /data1/weibo/longtail/chaxinwen_post_d.php start

crontab
============================

* * * * * chmod +x /data1/weibo/check_daemon.sh;/data1/weibo/check_daemon.sh >> /data1/weibo/log/check_daemon/check_daemon_`date +\%Y\%m`.log


> /dev/null