CentOS下二进制包/源码安装方式的MySQL卸载步骤

CentOS下二进制包/源码安装方式的MySQL卸载步骤

 转自https://www.cnblogs.com/zendwang/p/6519921.html

查看当前系统mysql 运行状态

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[root@zendlinux ~]# ps -ef |grep mysql root 1153 1 0 15:40 ? 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/var --pid-file=/usr/local/mysql/var/zendlinux.pid mysql 1695 1153 0 15:40 ? 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/var --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/usr/local/mysql/var/zendlinux.err --open-files-limit=65535 --pid-file=/usr/local/mysql/var/zendlinux.pid --socket=/tmp/mysql.sock --port=3306 root 1736 1716 0 15:53 pts/0 00:00:00 grep mysql

查看mysqld状态，并关闭

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[root@zendlinux ~]# service mysqld status SUCCESS! MySQL running (1695) [root@zendlinux ~]# service mysqld stop Shutting down MySQL. SUCCESS!

查看开机启动情况　　

1 2	[root@zendlinux ~]# chkconfig --list |grep -i mysql mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off

查找MySQL的安装目录并彻底删除

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[root@zendlinux ~]# whereis mysql mysql: /usr/bin/mysql /usr/lib/mysql /usr/include/mysql /usr/local/mysql [root@zendlinux ~]# find / -name mysql /var/spool/mail/mysql /usr/lib/mysql /usr/include/mysql /usr/local/mysql /usr/local/mysql/var/mysql /usr/local/mysql/include/mysql /usr/local/mysql/bin/mysql /usr/bin/mysql [root@zendlinux ~]# rm -rf /usr/bin/mysql /usr/local/mysql /usr/include/mysql /var/spool/mail/mysql /usr/lib/mysql [root@zendlinux ~]# find / -name mysql

删除一些配置文件
配置文件一般有/etc/my.cnf 或/etc/init.d/mysqld，视具体安装配置情况而定。

1 2	[root@zendlinux ~]# rm -rf /etc/my.cnf [root@zendlinux ~]# rm -rf /etc/init.d/mysqld

删除MySQL用户以及用户组

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[root@zendlinux ~]# id mysql uid=500(mysql) gid=500(mysql) groups=500(mysql) [root@zendlinux ~]# userdel mysql [root@zendlinux ~]# id mysql