1、下载命令
wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
2、yun源安装命令
rpm -ivh mysql57-community-release-el7-9.noarch.rpm
3、使用yum命令安装mysql
yum -y install mysql-server
4、启动mysql
systemctl start mysqld
5、检查是否安装启动成功
systemctl status mysqld
6、查看默认密码
grep ‘temporary password’ /var/log/mysqld.log
7、登录修改密码
mysql -u root -p
8、修改密码
因为5.7及以上版本的数据库对密码做了强度要求,默认密码的要求必须是大小写字母数字特殊字母的组合且至少要8位长度
ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘新的密码’;
9、允许远程登录
GRANT ALL PRIVILEGES ON . TO ‘root’@’%’ IDENTIFIED BY ‘密码’ WITH GRANT OPTION;
10、如仍然无法访问则需关闭防火墙或者开放3306端口访问权限
附:CentOS 7 关闭防火墙命令
systemctl stop firewalld.service
systemctl disable firewalld.service
11.遇到密钥问题,
rpm —importhttps://repo.mysql.com/RPM-GPG-KEY-mysql-2022
再重新执行安装命令