centos7 install mysql5.7.27

1, yum install wget

yum install wget

2, download the MySQL yum repo

wget https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm

3、安装 mysql57-community-release-el7-11.noarch.rpm

yum install -y mysql57-community-release-el7-11.noarch.rpm

4, to see if the installation was successful

yum list |grep mysql

5, modify yum warehouse source

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

yum clean all

yum makecache

6, the official installation

yum -y install mysql-community-server

7, see the installation results

yum list installed|grep mysql

8, see the MySQL service status

systemctl status mysqld

9, start the MySQL service

systemctl start mysqld

10, modify the MySQL root password

grep "password" /var/log/mysqld.log

mysql -uroot -p

set global validate_password_policy=0;

set global validate_password_length=0;

ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

11, open Remote Access

use mysql

select host,user from user;

update user set host='%' where user='root';

12, open the firewall port 3306