linux 卸载 mysql

1.你必须使用的.rpm 包安装的mysql

安装mysql教程

http://blog.csdn.net/m0_37504101/article/details/78113400

1.停止mysql服务

systemctl stop mysqld

1.搜索安装mysql的包

rpm -qa|grep -i mysql

2.卸载

[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-common-5.7.15-1.el7.x86_64.rpm
警告：mysql-community-common-5.7.15-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:mysql-community-common-5.7.15-1.e################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-libs-5.7.15-1.el7.x86_64.rpm
警告：mysql-community-libs-5.7.15-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:mysql-community-libs-5.7.15-1.el7################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-server-5.7.15-1.el7.x86_64.rpm
警告：mysql-community-server-5.7.15-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
错误：依赖检测失败：
        mysql-community-client(x86-64) >= 5.7.9 被 mysql-community-server-5.7.15-1.el7.x86_64 需要
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-client-5.7.15-1.el7.x86_64.rpm
警告：mysql-community-client-5.7.15-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:mysql-community-client-5.7.15-1.e################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-server-5.7.15-1.el7.x86_64.rpm
警告：mysql-community-server-5.7.15-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:mysql-community-server-5.7.15-1.e################################# [100%]

3.删除剩余文件内容

find / -name mysql

 
  /var/lib/mysql 
 

 
  /var/lib/mysql/mysql 
 

 
  /usr/lib64/mysql 
 

删除这些文件目录

rm -rf /var/lib/mysql
rm -rf /var/lib/mysql
rm -rf /usr/lib64/mysql

    最后删除配置文件 
  

rm -rf /etc/my.cnf

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