centos下安装数据库

4）启动mysql57并查看启动状态

><span style="color: #000000;">: systemctl start mysqld.service
</span>>: systemctl status mysqld.service

5）查看默认密码并登录

>: grep <span style="color: #800000;">"</span><span style="color: #800000;">password</span><span style="color: #800000;">"</span> /var/log/<span style="color: #000000;">mysqld.log
</span>>: mysql -uroot -p

6）修改密码

>: ALTER USER <span style="color: #800000;">‘</span><span style="color: #800000;">root</span><span style="color: #800000;">‘</span>@<span style="color: #800000;">‘</span><span style="color: #800000;">localhost</span><span style="color: #800000;">‘</span> IDENTIFIED BY <span style="color: #800000;">‘</span><span style="color: #800000;">new password</span><span style="color: #800000;">‘</span>;

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以上为mysql的安装和配置

下面为redis的安装

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<span>1）前往用户根目录</span>

>: cd ~

<span>2）下载redis-5.0.5</span>

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

<span>3）解压安装包</span>

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

<span>4）进入目标文件</span>

>: cd redis-5.0.5

<span>5）编译环境</span>

>: make

<span>6）复制环境到指定路径完成安装</span>

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

<span>7）配置redis可以后台启动：修改下方内容</span>

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

daemonize yes

<span>8）完成配置修改</span>

><span style="color: #000000;">: esc
</span>><span style="color: #000000;">: :wq
?</span>

<span>9）建立软连接</span>

>: ln -s /usr/local/redis/src/redis-server /usr/bin/redis-<span style="color: #000000;">server
</span>>: ln -s /usr/local/redis/src/redis-cli /usr/bin/redis-cli

<span>10）后台运行redis</span>

>: redis-server &<span style="color: #000000;">
ctrl </span>+ c

<span>11）测试redis环境</span>

>: redis-<span style="color: #000000;">cli
ctrl </span>+ c

<span>12）关闭redis服务</span>

>: pkill -f redis -9

centos下安装数据库

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