centos下安装Mysql和redis数据库

Mysql的安装

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先安装wget

命令行为：yum install wget

1）前往用户根目录

>: cd ~

2）下载mysql57

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

3）安装mysql57

>: yum -y install mysql57-community-release-el7-10.noarch.rpm
>: yum -y install mysql-community-server

4）启动mysql57并查看启动状态

>: systemctl start mysqld.service
>: systemctl status mysqld.service

5）查看默认密码并登录

>: grep "password" /var/log/mysqld.log
>: mysql -uroot -p

6）修改密码

>: ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

Redis的安装

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1）前往用户根目录

>: cd ~

2）下载redis-5.0.5

>: wget http://download.redis.io/releases/redis-5.0.5.tar.gz

3）解压安装包

>: tar -xf redis-5.0.5.tar.gz

4）进入目标文件

>: cd redis-5.0.5

5）编译环境

>: make

6）复制环境到指定路径完成安装

>: cp -r ~/redis-5.0.5 /usr/local/redis

7）配置redis可以后台启动：修改下方内容

>: vim /usr/local/redis/redis.conf

daemonize yes

8）完成配置修改

>: esc
>: :wq
​

9）建立软连接

>: ln -s /usr/local/redis/src/redis-server /usr/bin/redis-server
>: ln -s /usr/local/redis/src/redis-cli /usr/bin/redis-cli

10）后台运行redis

>: redis-server &
ctrl + c

11）测试redis环境

>: redis-cli
ctrl + c

12）关闭redis服务

>: pkill -f redis -9