CentOS install mysql5.7

1. download Mysql yum package
wget http://repo.mysql.com/mysql57-community-release-el7-10.noarch.rpm
2. Installation software source
rpm -Uvh mysql57-community-release-el7-10.noarch.rpm
3. install mysql Server side
Execute first ：yum module disable mysql
Re execution ：yum -y install mysql-community-server
4. start-up mysql
service mysqld start
5. Check mysql Operating state
service mysqld status
6. Change the temporary password
（1） View current password
grep ‘temporary password’ /var/log/mysqld.log
My password is ： WNKF0nP,C#t=
（2） Change Password
Sign in ：mysql -uroot -p
modify ：ALTER USER ‘root’@‘localhost’ IDENTIFIED BY ‘123456’;
Modify the parameters :
mysql> set global validate_password_policy=0;
mysql> set global validate_password_length=1;
to grant authorization ：
GRANT ALL PRIVILEGES ON . TO ‘root’@’%’ IDENTIFIED BY ‘123456’;
7. stay Navicat for MySQL Middle link

8. Link to the original text
https://blog.csdn.net/lovequanquqn/article/details/82343920