安装mysql
获取官方下载地址 https://dev.mysql.com/downloads/repo/yum/


wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm

yum localinstall mysql80-community-release-el8-1.noarch.rpm

yum repolist enabled | grep "mysql.*-community.*"

yum module disable mysql

yum install mysql-community-server
如果出现nogpgcheck错误
yum install mysql-community-server
--nogpgcheck

service mysqld start
查看mysql服务启动状态service mysqld status

启动服务:service mysqld start
停止服务:service mysqld stop
重启服务:service mysqld restart
查看服务状态:service mysqld status
设置mysql开机自启:
systemctl enable mysqld
systemctl daemon-reload
修改mysql密码并开放远程连接
查看mysql安装时生成的随机密码:grep 'temporary password' /var/log/mysqld.log

mysql -uroot -p'刚获取到的随机密码'
ALTER USER 'root' @'localhost' IDENTIFIED BY '你的密码';
创建权限记录:
CREATE user 'root'@'%' IDENTIFIED BY 'root123';
授权:
GRANT ALL PRIVILEGES ON *.* TO 'root' @'%' WITH GRANT OPTION;
修改密码过期策略:
ALTER USER 'root' @'localhost' IDENTIFIED BY '你的密码' PASSWORD EXPIRE NEVER;
重新修改密码:
ALTER USER 'root' @'%' IDENTIFIED WITH mysql_native_password BY '你的密码';
刷新权限:
FLUSH PRIVILEGES;

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