mysql 5.7 的安装

1：安装前准备是否安装mysql,关闭防火墙，关闭selinux
rpm -qa | grep mysql
whereis mysql
systemctl stop firewalld && systemctl disable firewalld
setenforce 0
sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/g‘ /etc/selinux/config
2: 安装mysql 5.7
wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm
rpm -ivh mysql57-community-release-el7-8.noarch.rpm
yum install mysql-server -y
systemctl start mysqld && systemctl status mysqld
修改root 密码
grep ‘temporary password‘ /var/log/mysqld.log #查看数据库的初始密码

mysql> set password = 123456;
mysql> set password = password(‘Asdf@1234‘);
mysql> flush privileges;
mysql> grant all privileges on *.* to root@"%" identified by "Asdf@1234" with grant option;
mysql> flush privileges;

mysql 5.7 的安装

原文：https://www.cnblogs.com/will--1213/p/14899102.html