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  • MySQL 卸载

    先查看下,把MySQL停下来
    查看进程状态
    ps -ef | grep mysql
    查看mysql服务状态
    service mysqld status
    停止mysql服务
    service mysqld stop

    检查是否安装MySQL
    [root@rdtest ~]# rpm -qa | grep -i mysql
    mysql-libs-5.1.73-8.el6_8.x86_64
    [root@rdtest ~]# rpm -e mysql-libs-5.1.73-8.el6_8.x86_64
    error: Failed dependencies:
    libmysqlclient.so.16()(64bit) is needed by (installed) postfix-2:2.6.6-8.el6.x86_64
    libmysqlclient.so.16(libmysqlclient_16)(64bit) is needed by (installed) postfix-2:2.6.6-8.el6.x86_64
    mysql-libs is needed by (installed) postfix-2:2.6.6-8.el6.x86_64
    [root@rdtest ~]# rpm -e –nodeps mysql-libs-5.1.73-8.el6_8.x86_64

    rpm -e –nodeps 包名
    如果提示依赖包错误,则使用以下命令尝试
    rpm -ev mysql-libs-5.1.73-8.el6_8.x86_64 --nodeps
    如果提示错误:error: %preun(xxxxxx) scriptlet failed, exit status 1
    则用以下命令尝试 rpm -e --noscripts mysql-libs-5.1.73-8.el6_8.x86_64

    查找MySQL的安装目录并彻底删除
    [root@rdtest ~]# find / -name mysql
    /var/spool/mail/mysql
    /usr/local/include/mysql
    /usr/local/mysql
    /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64/include/mysql
    /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64/bin/mysql
    /opt/data/mysql

    [root@rdtest ~]# rm -Rf /var/spool/mail/mysql /usr/local/include/mysql /usr/local/mysql /opt/data/mysql /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64/

    删除一些配置文件
    配置文件一般有/etc/my.cnf 或/etc/init.d/mysql.server
    [root@rdtest ~]# rm -rf /etc/my.cnf

    删除MySQL用户以及用户组
    [root@rdtest ~]# userdel mysql
    [root@rdtest ~]# id mysql
    id: mysql: No such user

    检查一遍mysql 是否成功删除
    rpm -qa|grep -i mysql

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  • 原文地址:https://www.cnblogs.com/ritchy/p/11046237.html
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