Linux下完全卸载mysql

查看mysql安装情况

rpm -qa|grep -i mysql

[root@iZ25rsnm9crfk8Z ~]# rpm -qa|grep -i mysql
mysql-community-libs-5.7.13-1.el6.x86_64
mysql-community-client-5.7.13-1.el6.x86_64
mysql-community-server-5.7.13-1.el6.x86_64
mysql-community-common-5.7.13-1.el6.x86_64

停止mysql服务

/etc/init.d/mysqld stop

同上删除所有安装的mysql

rpm -ev mysql-community-libs-5.7.13-1.el6.x86_64 --nodeps
rpm -ev mysql-community-client-5.7.13-1.el6.x86_64 --nodeps
rpm -ev mysql-community-server-5.7.13-1.el6.x86_64 --nodeps
rpm -ev mysql-community-common-5.7.13-1.el6.x86_64 --nodeps

[root@iZ25rsnm9crfk8Z ~]# rpm -ev mysql-community-server-5.7.13-1.el6.x86_64 --nodeps
Preparing packages...
mysql-community-server-5.7.13-1.el6.x86_64
warning: /etc/my.cnf saved as /etc/my.cnf.rpmsave

查找所有mysql目录并删除

find / -name mysql

[root@iZ25rsnm9crfk8Z ~]# find / -name mysql
/var/lib/selinux/targeted/active/modules/100/mysql
/var/lib/mysql
/var/lib/mysql/mysql

删除 :

rm -rf /var/lib/mysql  
rm -rf /var/lib/selinux/targeted/active/modules/100/mysql
rm -rf /opt/mysql
rm -rf /usr/share/bash-completion/completions/mysql
rm -rf /usr/share/selinux/targeted/default/active/modules/100/mysql
rm -rf /usr/share/mysql

删除/etc/my.cnf

rm -f /etc/my.cnf

确认是否删除完毕

find / -name mysql