1、查找以前是否装有mysql
命令:rpm -qa|grep -i mysql 可以看到如下图的所示:
rpm -qa|grep -i mysql
MySQL-client-advanced-5.6.21-1.el6.x86_64 MySQL-server-advanced-5.6.21-1.el6.x86_64 mysql-connector-python-2.0.2-1.el6.noarch mysql-workbench-commercial-6.2.3-1.el6.x86_64 MySQL-test-advanced-5.6.21-1.el6.x86_64
说明之前安装了: MySQL-client-advanced-5.6.21-1.el6.x86_64 MySQL-server-advanced-5.6.21-1.el6.x86_64 mysql-connector-python-2.0.2-1.el6.noarch mysql-workbench-commercial-6.2.3-1.el6.x86_64 MySQL-test-advanced-5.6.21-1.el6.x86_64
2、停止mysql服务、删除之前安装的mysql
删除命令:rpm -e –nodeps 包名 # rpm -ev MySQL-server-advanced-5.6.21-1.el6.x86_64 MySQL-client-advanced-5.6.21-1.el6.x86_64 mysql-connector-python-2.0.2-1.el6.noarch mysql-workbench-commercial-6.2.3-1.el6.x86_64 MySQL-test-advanced-5.6.21-1.el6.x86_64
3、查找之前老版本mysql的目录、并且删除老版本mysql的文件和库
find / -name mysql 查找结果如下: [root@localhost ~]# find / -name mysql /var/lib/mysql /var/lib/mysql/mysql /usr/lib64/mysql
删除对应的mysql目录 rm -rf /var/lib/mysql rm -rf /var/lib/mysql rm -rf /usr/lib64/mysql 具体的步骤如图:查找目录并删除
rm -fr /opt/mysql rm -fr /apps/mysql-utilities-commercial-1.5.2-py2.7/ rm -fr /var/lib/mysql3309 rm -fr /var/lib/mysql3308 rm -fr /var/lib/mysql3307 rm -fr /usr/lib64/mysql rm -fr /usr/etc/mysql rm -fr /usr/share/mysql rm -fr /usr/lib/python2.6/site-packages/mysql
rm -fr /var/lib/mysql
注意:卸载后/etc/my.cnf不会删除,需要进行手工删除 rm -rf /etc/my.cnf
4、再次查找机器是否安装mysql
rpm -qa|grep -i mysql 无结果,说明已经卸载彻底、接下来直接安装mysql即可 |