centos 7 安装Mysql5.7* 步骤

 mysql最新版官网下载  https://dev.mysql.com/downloads/mysql/

1.安装mysql源

yum localinstall  http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm

2.安装mysql

yum install mysql-community-server

3.启动mysql

service mysqld start

4.查看默认sql密码

grep 'temporary password' /var/log/mysqld.log

5.修改密码

mysql -uroot -p

输入默认密码

mysql>  ALTER USER 'root'@'localhost' IDENTIFIED BY '你的新密码';

6.退出，并重新登陆确认密码

mysql> quit;
mysql -uroot -p

7.新建能用远程登陆的用户

用root账户登陆mysql，新建一个admin账号

mysq> GRANT ALL PRIVILEGES ON *.* TO admin@localhost IDENTIFIED BY "你的密码" WITH GRANT OPTION;

授予用户admin用户通过任意主机访问mysql数据库

mysq> GRANT ALL PRIVILEGES ON *.* TO admin@'%' IDENTIFIED BY "你的密码" WITH GRANT OPTION;

退出

mysql> exit;

8.设置开机启动

https://www.linuxidc.com/Linux/2017-10/147829.htm