mysql: unrecognized service错误

service mysql start出错，mysql启动不了，解决mysql: unrecognized service错误的方法如下：

[[email protected] ~]# service mysql start

mysql: unrecognized service

[[email protected] ~]# service mysql restart

mysql: unrecognized service

[[email protected] ~]# rpm -q mysql   查询发现mysql已经正常安装

mysql-5.1.52-jason.1

[[email protected] ~]# /etc/rc.d/init.d/mysqld start  直接启动没问题

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Starting mysqld:  [  OK  ]

[[email protected] ~]# ls  /etc/rc.d/init.d/mysqld  -l

-rwxr-xr-x 1 root root 5509 Dec 18 02:31 /etc/rc.d/init.d/mysqld

[[email protected] ~]# chkconfig mysqld on 设置mysql开机启动

[[email protected] ~]# chmod 755 /etc/rc.d/init.d/mysqld  修改mysqld执行权限

[[email protected] ~]# service mysqld start  搞定

Starting mysqld:  [  OK  ]

[[email protected] ~]# service mysqld start

Starting mysqld:  [  OK  ]

[[email protected] ~]# service mysqld status

mysqld (pid 9487) is running...

源：http://www.cnblogs.com/hailexuexi/archive/2012/07/19/2599254.html