使用yum安装 mysql版本5.7
1.下载Yum Repository wget下载
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
yum -y install mysql57-community-release-el7-10.noarch.rpm
2.安装mysql服务(稍微需要一点时间)
yum -y install mysql-community-server
3.启动mysql服务
systemctl start mysqld.service
4.查看mysql启动状态
systemctl status mysqld.service
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5.查询mysql随机生成的密码
grep "password" /var/log/mysqld.log
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6.进入mysql修改密码(默认强密码类型)
ALTER USER 'root'@'localhost' IDENTIFIED BY 'yourpassword';
7.授权远程访问权限
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword';
8.刷新权限
flush privileges;
9.测试远程访问连接（需要阿里云的安全组开放端口）
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