CentOS7 彻底卸载 MySQL5.7 （保姆级）

1、关闭MySQL服务

[root@VM_0_8_centos ~]# systemctl stop mysqld

2、使用 rpm 命令查看已安装的安装包

[root@VM_0_8_centos ~]# rpm -qa|grep mysql
mysql-community-libs-5.7.29-1.el7.x86_64
mysql-community-common-5.7.29-1.el7.x86_64
mysql-community-client-5.7.29-1.el7.x86_64
mysql-community-server-5.7.29-1.el7.x86_64
mysql57-community-release-el7-11.noarch

3、使用yum卸载安装的mysql

[root@VM_0_8_centos ~]# yum remove  mysql mysql-server mysql-libs mysql-server

4、查询剩余的安装包

[root@VM_0_8_centos ~]# rpm -qa|grep mysql
mysql-community-common-5.7.29-1.el7.x86_64
mysql57-community-release-el7-11.noarch

5、移除掉这些安装包

[root@VM_0_8_centos ~]# rpm -ev mysql-community-common-5.7.29-1.el7.x86_64
软件包准备中...
mysql-community-common-5.7.29-1.el7.x86_64
[root@VM_0_8_centos ~]# rpm -ev mysql57-community-release-el7-11.noarch
软件包准备中...
mysql57-community-release-el7-11.noarch

6、检查残余安装包

[root@VM_0_8_centos ~]# ls
mysql57-community-release-el7-11.noarch.rpm   Python-3.7.1.tar.xz.1  wget-log
mysql80-community-release-el7-3.noarch.rpm    usr
mysql80-community-release-el7-3.noarch.rpm.1  vim

7、删除残余的安装包

[root@VM_0_8_centos ~]# rm -rf mysql*

8、继续查找是否还有残留文件

[root@VM_0_8_centos ~]# find / -name mysql
/var/lib/mysql
/var/lib/mysql/mysql
/usr/share/mysql

9、移除这些残留文件

[root@VM_0_8_centos ~]# rm -rf /var/lib/mysql
[root@VM_0_8_centos ~]# rm -rf /var/lib/mysql/mysql
[root@VM_0_8_centos ~]# rm -rf /usr/share/mysql

10、最后的检查

[root@VM_0_8_centos ~]# rpm -qa|grep mysql
[root@VM_0_8_centos ~]# find / -name mysql
[root@VM_0_8_centos ~]# ls
Python-3.7.1.tar.xz.1  usr  vim  wget-log

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