r# 卸载mysql
centos系统下,完整卸载mysql步骤如下:
1. 查找是否安装mysql
rpm -qa|grep -i mysql
运行后效果如下
mysql-community-server-*
mysql-community-common-*
mysql-community-client-*
mysql-community-libs-*
2. 删除mysql
rpm -e --nodeps mysql-community-server-*
rpm -e --nodeps mysql-community-common-*
rpm -e --nodeps mysql-community-client-*
rpm -e --nodeps mysql-community-libs-*
3. 删除mysql老版本的残留文件和数据库
rm -rf /usr/lib/mysql
rm -rf /usr/include/mysql
注意:卸载后/var/lib/mysql和/etc/my.cnf不会删除,如果确定没用后就手工删除;
rm -rf /etc/my.cnf
rm -rf /var/lib/mysql