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）
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
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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