脚本一:

pgrep -x mysqld &> /dev/null  
if \[ $? -ne 0 \];then  
bash /www/server/panel/script/rememory.sh  
/etc/init.d/mysqld start  
fi

脚本二:

#!/bin/bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
pgrep -x mysqld &> /dev/null
if [ $? -ne 0 ]
then
echo "At time:$(date) :MySQL is stop .">> /var/log/mysql_messages
/etc/init.d/mysqld start
else
exit
fi