CentOS7安装MySQL

1.安装依赖

yum search libaio           #检索是否有对应库
yum install -y libaio        #安装依赖包

2.检查MySQL是否已经安装

yum installed | grep mysql
No such command: installed. Please use /bin/yum --help

3.下载MySQL Yum Repository（yum仓库）

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

​

4.如果没有wget命令，则下载对应安装包

yum –y install wget

5.添加MySQL Yum Repository到系统repository列表中

yum localinstall mysql57-community-release-el7-10.noarch.rpm

​

6.验证是否添加成功 

yum repolist enabled | grep "mysql.*-community.*"

​

7.安装MySQL 

yum -y install mysql-community-server

 

8.启动MySQL

systemctl start mysqld
systemctl status mysqld        #查看状态

9.验证MySQL

登陆：mysql -uroot –p

输入密码登陆。

mysql: [Warning] Using a password on the command line interface can be insecure.

Welcome to the MySQL monitor.  Commands end with ; or g.

Your MySQL connection id is 2

Server version: 5.7.26



Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.



Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.



Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| mysql              |

| performance_schema |

| sys                |

+--------------------+

4 rows in set (0.00 sec)

10.创建Hive需要的数据库

mysql> create database if not exists hive_metadata;

Query OK, 1 row affected (0.01 sec)



mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| hive_metadata      |

| mysql              |

| performance_schema |

| sys                |

+--------------------+

5 rows in set (0.00 sec)

为hive_metadata设置权限

grant all privileges on hive_metadata.* to 'hive'@'%' identified by 'hive';

grant all privileges on hive_metadata.* to 'hive'@'locaclhost' identified by 'hive';

grant all privileges on hive_metadata.* to 'hive'@'centos-master' identified by 'hive';

flush privileges;

（Navicat）连接测试

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