1.下载mysql源安装包:wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm (版本自行进入mysql官网查询,复制链接即可)
2.安装mysql源:yum localinstall mysql57-community-release-el7-8.noarch.rpm
3.检查mysql源是否安装成功: yum repolist enabled | grep "mysql.*-community.*"
4.正式安装mysql:yum install mysql-community-server
5.启动mysql服务:systemctl start mysqld 并检查状态:systemctl status mysqld
6.查看自动生成的root用户密码:grep 'temporary password' /var/log/mysqld.log
7.登录并修改密码:mysql -u root -p (使用查询到的默认密码!)
set password for 'root'@'localhost'=password('NewPassWord123!') (默认密码检查策略要求密码必须包含:大小写字母、数字和特殊符号,并且长度不能少于8位,否则会报错)
可以关闭密码策略:在/etc/my.cnf文件添加validate_password_policy配置,指定密码策略(vi /etc/mycnf)
加上:validate_password = off (i进入insert模式,:wq保存退出)
重启生效(systemctl restart mysqld),现在可以修改简单的密码了
8.需要远程登录的需要建立远程账号:GRANT ALL PRIVILEGES ON *.* TO 'yzw'@'%' IDENTIFIED BY '1111' WITH GRANT OPTION;
同时防火墙开放3306端口:firewall-cmd --zone=public --add-port=3306/tcp --permanent 并重启防火墙:firewall-cmd --reload
9.终上所述,你的mysql可以正常使用啦
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