Linux系统下卸载MySQL(靠谱)

RPM包安装方式的MySQL卸载

1关闭MySQL服务

 
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[root@server bin]# service mysql stop
Shutting down MySQL.. SUCCESS!
[root@server bin]# service mysql status
  ERROR! MySQL is not running

2删除MySQL对应的文件夹

 
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查找文件
[root@server bin]#  find / - name mysql
/home/mysql
/etc/rc.d/init.d/mysql
/etc/selinux/targeted/active/modules/100/mysql
/var/lib/mysql
/var/lib/mysql/mysql
/usr/bin/mysql
/usr/lib64/mysql
/usr/share/mysql
/usr/ local /mysql
/usr/ local /mysql/bin/mysql
/usr/ local /mysql/include/mysql
/usr/ local /mysql/data/mysql
删除文件
[root@server bin]# rm -rf /var/lib/mysql
[root@server bin]# rm -rf /var/lib/mysql^C
[root@server bin]# rm -rf /var/lib/mysql/mysql
[root@server bin]# rm -rf  /usr/bin/mysql
[root@server bin]# rm -rf  /usr/lib64/mysql
[root@server bin]# rm -rf  /usr/share/mysql
[root@server bin]# rm -rf  /usr/ local /mysql
[root@server bin]# rm -rf  /usr/ local /mysql/bin/mysql
[root@server bin]# rm -rf /usr/ local /mysql/include/mysql
[root@server bin]# rm -rf /usr/ local /mysql/data/mysql

3: 检查是否安装了MySQL组件

 
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[root@Server /]# rpm -qa | grep -i mysql
有就删除
删除命令如下
rpm -ev MySQL-devel-5.6.23-1.linux_glibc2.5

4删除mysql用户及用户组

 
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[root@server bin]# more /etc/passwd | grep mysql
mysql:x:998:1000::/home/mysql:/bin/bash
[root@server bin]# more /etc/shadow | grep mysql
mysql:!!:17438::::::
[root@server bin]# more /etc/ group | grep mysql
mysql:x:1000:
[root@server bin]# userdel mysql
[root@server bin]# groupdel mysql
groupdel: group 'mysql' does not exist
查看
 
[root@server bin]# more /etc/passwd | grep mysql
[root@server bin]# more /etc/ group | grep mysql
[root@server bin]# more /etc/shadow | grep mysql

以上就完全删除了

二进制包/源码安装方式的MySQL卸载
1: 检查MySQL服务并关闭服务进程。
首先通过进程查看是否有MySQL的服务的状态, 如下所示,MySQL服务是启动的。

 
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[root@server bin]# ps -ef | grep mysql
 
 
关闭mysql服务
[root@server bin]# service mysql stop
Shutting down MySQL.. SUCCESS!
[root@server bin]# service mysql status
  ERROR! MySQL is not running

2: 查找MySQL的安装目录并彻底删除

 
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查找文件
[root@server bin]#  find / - name mysql
/home/mysql
/etc/rc.d/init.d/mysql
/etc/selinux/targeted/active/modules/100/mysql
/var/lib/mysql
/var/lib/mysql/mysql
/usr/bin/mysql
/usr/lib64/mysql
/usr/share/mysql
/usr/ local /mysql
/usr/ local /mysql/bin/mysql
/usr/ local /mysql/include/mysql
/usr/ local /mysql/data/mysql
删除文件
[root@server bin]# rm -rf /var/lib/mysql
[root@server bin]# rm -rf /var/lib/mysql^C
[root@server bin]# rm -rf /var/lib/mysql/mysql
[root@server bin]# rm -rf  /usr/bin/mysql
[root@server bin]# rm -rf  /usr/lib64/mysql
[root@server bin]# rm -rf  /usr/share/mysql
[root@server bin]# rm -rf  /usr/ local /mysql
[root@server bin]# rm -rf  /usr/ local /mysql/bin/mysql
[root@server bin]# rm -rf /usr/ local /mysql/include/mysql
[root@server bin]# rm -rf /usr/ local /mysql/data/mysql

3删除一些配置文件
配置文件一般有/etc/my.cnf 或/etc/init.d/mysql.server,

 
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[root@server bin]# rm -f /etc/my.cnf
[root@server bin]# rm -rf /etc/init.d/mysql.server

4:删除MySQL用户以及用户组

 
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[root@server bin]# userdel mysql
[root@server bin]# id mysql
id: mysql: no such user

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转载自my.oschina.net/u/3632227/blog/2395900