1.mariadb的删除
#1.卸载mariadb相关的软件 [root@localhost ~]# yum remove -y `rpm -aq mariadb*` #2.删除数据目录和配置文件 [root@localhost ~]# rm -rf /etc/my.cnf [root@localhost ~]# rm -rf /var/lib/mysql #2.查找一下是否还有mariadb [root@localhost ~]# rpm -aq mariadb*
#1.停止mysql [root@localhost ~]# systemctl stop mysqld #2.卸载mysql相关软件包 [root@localhost ~]# rpm -aq mysql* mysql-community-libs-5.7.24-1.el7.x86_64 mysql-community-common-5.7.24-1.el7.x86_64 mysql-community-client-5.7.24-1.el7.x86_64 mysql-community-libs-compat-5.7.24-1.el7.x86_64 mysql-community-server-5.7.24-1.el7.x86_64 [root@localhost ~]# yum remove -y `rpm -aq mysql*` #3.删除mysql数据目录 [root@localhost ~]# find / -name mysql /var/lib/mysql /var/lib/mysql/mysql /usr/share/mysql [root@localhost ~]# rm -rf /var/lib/mysql /var/lib/mysql/mysql /usr/share/mysql #4.删除配置文件 [root@localhost ~]# ll /etc/my.cnf -rw-r--r-- 1 root root 570 Sep 21 2016 /etc/my.cnf [root@localhost ~]# rm -rf /etc/my.cnf [root@localhost ~]# rpm -aq mysql*