MYSQL改目录

[root@mailsvr home]# /etc/init.d/mysql stop  停止服务
[root@mailsvr home]# vi /etc/my.cnf  
没有的话, cp /usr/share/mysql/my-medium.cnf /etc/my.cnf
修改以下的相当内容:
[mysqld]
datadir=/mysqlhome/mysql
socket=/mysqlhome/mysql/mysql.sock
 
[mysqld_safe]
err-log=/var/lib/mysql/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[client]
socket=/mysqlhome/mysql/mysql.sock
 
[root@mailsvr home]# cp -r -p /var/lib/mysql /mysqlhome复制安装数据
[root@mailsvr home]# chown -R mysql:mysql /mysqlhome赋予权限
                     chcon -R -t mysqld_db_t   /mysqlhome/mysql
[root@mailsvr home]# /etc/init.d/mysql start  启动服务

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转载自maxrocray.iteye.com/blog/1675578