CentOS7下安装MySQL

使用yum命令下载并安装MySQL文件
1、下载rpm文件

yum localinstall https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

2、安装MySQL数据库

 yum install mysql-community-server -y

3、启动数据库

service mysqld start

4、查看初始密码

 grep 'temporary password' /var/log/mysqld.log

5、修改root密码

alter user user() identified by "abc123456";