Linux CentOS 7 MySQL 8.0 修改加密规则和防火墙设置

wget http://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm

yum localinstall mysql80-community-release-el7-1.noarch.rpm

[root@node-103 yum.repos.d]# ls my*
mysql-community.repo  mysql-community-source.repo
[root@node-103 yum.repos.d]# 

yum install mysql-community-server

chown mysql:mysql -R /var/lib/mysql

mysqld --initialize

systemctl start mysqld

systemctl status mysqld

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

mysql -uroot -p

 use mysql;

GRANT ALL ON *.* TO 'root'@'%';

flush privileges;

ALTER USER 'root'@'localhost' IDENTIFIED BY 'yourpassword' PASSWORD EXPIRE NEVER; 

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'yourpassword';

FLUSH PRIVILEGES; 

sudo /sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT 

service iptables save

systemctl stop firewalld

systemctl mask firewalld

yum install iptables-services

systemctl enable iptables

systemctl [stop|start|restart] iptables

service iptables save