闲来无事，自己写了一个mysql进程检查的脚本。想想初学编程时候到处去网上搜的经历，忽然想笑。我是运维工程师，我也想说：“I am a Coder!”。
#!/bin/bash
#DATE 2013/11/25
#MAIL gccmx@163.com
#FUNCTION check the mysql status,if not run start mysql.
#Create by Chenchao Gao
checkMysql(){
CMDCHECK=`lsof -i:3306 &>/dev/null`
Port="$ "
PIDCHECK=`ps aux|grep mysqld|grep -v grep`
PID="$ "
if [ "$Port" -eq "0" -a "$PID" -eq 0 ];then
return 200
else
return 500
fi
}
startMysql(){
/etc/init.d/mysqld start
}
checkMysql
if [ $ == 200 ];then
echo "Mysql is running..."
else
startMysql
checkMysql
if [ $ != 200 ];then
while true
do
killall mysqld
sleep 2
[ $ != 0 ]&&break
done
startMysql
fi
fi
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