centos安装mysql

在https://dev.mysql.com/downloads/repo/yum/ 找到合适的rpm

rpm Uvh mysql57-community-release-el6-8.noarch.rpm

ls -1 /etc/yum.repos.d/mysql-community*
yum repolist all | grep mysql
vim /etc/yum.repos.d/mysql-community.repo

修改mysql5.7如下

[mysql57-community]
name=MySQL 5.7 Community Server
#baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

yum install mysql-community-server

找到临时密码

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

pzy9apVdT2-U

mysql -uroot -ppzy9apVdT2-U

set global validate_password_policy=0;

ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';

flush privileges;