MySQL在CenterOS和Ubuntu的安装

下载地址：https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

1、centeros安装mysql

参考地址：http://www.linuxidc.com/Linux/2016-09/134940.htm

yum install mysql-server

若提示没有可用软件包，则需进行下列操作：

//下载mysql的repo源

[rooot@localhost ~ ] wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

//安装,将获得两个mysql的yum repo源：/etc/yum.repos.d/mysql-#community.repo，/etc/yum.repos.d/mysql-community-source.repo

[rooot@localhost ~ ] rpm -ivh mysql-community-release-el7-5.noarch.rpm

然后：

 yum install  mysql mysql-server mysql-libs mysql-server;

参考自：https://www.cnblogs.com/snake-hand/p/3157247.html

//检查是否安装
rpm -qa|grep -i mysql

//启动mysql服务
service mysql start

//以root身份打开数据库
mysql -u root

2、ubuntu安装mysql

sudo apt-get install mysql-server

安装mysql之后，创建用户：

[rooot@localhost ~ ] mysql -u root -p

// 输入密码后，1、创建用户
MySQL [(none)]> CREATE USER 'hive'@'%' IDENTIFIED BY 'hive';

// 2、赋予权限
MySQL [(none)]> GRANT ALL PRIVILEGES OON *.* TO 'hive'@'%' WITH GRANT OPTION;

// 3、强制写出
MySQL [(none)]> flush privileges;

// 为了让远程用户可以访问mysql，修改/etc/mysql/my.cnf文件，注释bind-address一行，如下
 
 #bind-address

//重启mysql
sudo /etc/ini.d/mysql restart