2、安装mysql

    2.1）yum -y install mariadb-client mariadb-server mariadb-devel

    2.2）启动：systemctl start mariadb.service

    2.3）设置开机自启：systemctl enable mariadb

    2.4）设置root密码：mysqladmin -u root password "123456"

    2.5）设置root远程访问：登录mysql => use mysql; => update user set host='%' where user='root' and host='localhost'; => flush privileges; => exit; => systemctl restart mariadb.service

3、安装apache

    3.1）yum -y install httpd

    3.2）启动：systemctl start httpd.service

    3.3）设置开机自启：systemctl enable httpd

    3.4）配置虚拟主机：在/etc/httpd/conf.d/目录下建新vhost.conf，新增内容：

        <VirtualHost *:80>
            DocumentRoot "/var/www/html/CodeIgniter-3.1.2/"
            ServerName www.100ci.com
            ErrorLog "/var/log/httpd/100ci-error.log"
            CustomLog "/var/log/httpd/100ci-access.log" common
       </VirtualHost>

4、安装php7

    4.1）请参考 https://webtatic.com/packages/php70/

    4.2）rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

    4.3）rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm 

    4.4） yum -y install php70w php70w-opcache php70w-common php70w-fpm php70w-mbstring php70w-mysql

    4.5）安装完php，重启httpd，systemctl restart httpd

5、安装phpredis扩展

    5.1）yum -y install redis php-redis

    5.2）重启httpd，systemctl restart httpd

6、部署成功