centos7.0快速安装mysql

1.安装环境

  此教程适用于centos7.0及以上兼容版本的安装

2.实现方案

①运行以下命令

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm;
yum -y install mysql57-community-release-el7-10.noarch.rpm;
yum -y install mysql-community-server;
systemctl start  mysqld.service;
systemctl status mysqld.service;
yum -y remove mysql57-community-release-el7-10.noarch;
grep "password" /var/log/mysqld.log;

大约等待3分钟，然后会生成一个root用户的随机密码

②复制该密码，mysql -u root -p “随机密码”

设置密码策略

set global validate_password_policy=0;

然后将随机密码修改成自己定义的密码

ALTER USER 'root'@'localhost' IDENTIFIED BY '你想设置的