1.下载并安装MySQL官方的 Yum Repository
1.下载mysql的yum repository
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
2.采用yum命令安装
yum -y install mysql57-community-release-el7-10.noarch.rpm
3.安装mysql服务器
yum -y install mysql-community-server
4.启动mysql服务
systemctl start mysqld.service
查看服务状态
systemctl status mysqld.service
5.获取mysql的密码或者修改免密码登录
vi /etc/my.cnf
添加:skip-grant-tables
6.重启mysql服务:systemctl restart mysqld.service
7.登录mysql:
mysql -uroot -p
免密码登录时直接回车就行了
8.修改mysql登录密码见:https://blog.youkuaiyun.com/qq_31073717/article/details/80635037
重点推荐第二种:centos下完全卸载mysql后,重新安装mysql即可。