Liunx下安装MySQL5.7

#下载mysql的Yum仓库
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

#安装 mysql服务
yum -y install mysql-community-server

#启动数据库服务， systemctl 该命令可用于查看系统状态和管理系统及服务，centos7上开始使用
systemctl start  mysqld.service

#查看状态
systemctl status mysqld.service

#在日志文件中查看初始密码
grep "password" /var/log/mysqld.log

#进入修改Mysql密码

mysql -uroot -p

#新密码设置必须由大小写字母、数字和特殊符号组成
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Xdclass.net168';

#开启mysql的远程访问， %是指全部
grant all privileges on *.* to 'root'@'%' identified by 'Xdclass.net168' with grant option;

#刷新权限
flush privileges;