1.查看是否安装了Mysql
rpm -qa | grep mysql
2.停掉mysql服务
查看mysql服务是否启动
service mysqld status
停掉mysql服务:
service mysqld stop
3.卸载mysql
rpm -ev mysql-community-client-5.6.37-2.el7.x86_64
rpm -ev mysql-community-release-el7-5.noarch
rpm -ev mysql-community-server-5.6.37-2.el7.x86_64
rpm -ev mysql-community-common-5.6.37-2.el7.x86_64
rpm -ev mysql-community-libs-5.6.37-2.el7.x86_64
4.查找mysql相关文件
whereis mysql
5.删除mysql相关文件
rm -rf /var/lib/mysql/
rm -rf /usr/share/mysql/
rm -rf /var/log/mysqld.log