Linux 卸载的那些事

linux 卸载系列

mysql卸载

• 查看是否有安装mysql

• [root@192 lib]# rpm -qa|grep -i mysql

  mysql57-community-release-el7-9.noarch
  mysql-community-libs-5.7.37-1.el7.x86_64
  mysql-community-common-5.7.37-1.el7.x86_64
  mysql-community-server-5.7.37-1.el7.x86_64
  mysql-community-client-5.7.37-1.el7.x86_64

• 停止mysql服务

  • [root@192 lib]# systemctl stop mysqld

• 开始删除mysql

  • 删除列表中的第一个就可以了

    [root@192 lib]# rpm -ev mysql57-community-release-el7-9.noarch --nodeps
    
    # 如果不放心全部删除 注意依赖关系 先删除server-->client-->libs-->common
    [root@192 lib]# rpm -ev mysql-community-client-5.7.37-1.el7.x86_64
    error: Failed dependencies:
    	mysql-community-client(x86-64) >= 5.7.9 is needed by (installed) mysql-community-server-5.7.37-1.el7.x86_64
    [root@192 lib]# rpm -ev mysql-community-server-5.7.37-1.el7.x86_64
    Preparing packages...
    mysql-community-server-5.7.37-1.el7.x86_64
    [root@192 lib]# rpm -ev mysql-community-client-5.7.37-1.el7.x86_64
    Preparing packages...
    mysql-community-client-5.7.37-1.el7.x86_64
    [root@192 lib]# rpm -ev mysql-community-common-5.7.37-1.el7.x86_64
    error: Failed dependencies:
    	mysql-community-common(x86-64) >= 5.7.9 is needed by (installed) mysql-community-libs-5.7.37-1.el7.x86_64
    [root@192 lib]# rpm -ev mysql-community-libs-5.7.37-1.el7.x86_64
    Preparing packages...
    mysql-community-libs-5.7.37-1.el7.x86_64
    [root@192 lib]# rpm -ev mysql-community-common-5.7.37-1.el7.x86_64
    Preparing packages...
    mysql-community-common-5.7.37-1.el7.x86_64

• 再执行一边过滤查询确定删除干净

  • [root@192 lib]# rpm -qa|grep -i mysql

• 删除之前旧版本mysql安装目录

  • 先查看mysql目录
  • 再依次删除

    find / -name mysql
    
    [root@192 lib]# rm -rf /var/lib/mysql
    [root@192 lib]# rm -rf /var/lib/mysql/mysql
    [root@192 lib]# rm -rf /usr/lib64/mysql
    [root@192 lib]# rm -rf /usr/share/mysql

• 卸载后/etc/my.cnf不会删除，需要进行手工删除

  • [root@192 lib]# rm -rf /etc/my.cnf

• 再次检查是否删除干净

• [root@192 lib]# rpm -qa|grep -i mysql

• mysql安装推荐阿里云官方文档 安装示例

  • nginx卸载
    • 待更新…
  • docker 卸载
    • 待更新…
      redis卸载