linux安装mysql8

• mysql官网下载链接：mysql repo下载地址 如下：https://dev.mysql.com/downloads/repo/yum/
  

wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
rpm -ivh mysql80-community-release-el7-3.noarch.rpm

然后

yum install mysql-community-server

开启服务器

systemctl start mysqld.service

获取临时密码

cat /var/log/mysqld.log | grep password

登录mysql

mysql -u root -p

修改密码

ALTER USER 'root'@'localhost' IDENTIFIED BY '新密码';
flush privileges;

远程设置

update user set host='%' where user='root';
flush privileges;
ALTER USER 'root'@'%' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'password';