apahce
    查看是否有此软件: yum list | grep httpd
    安装: yum install httpd
    查看状态: systemctl status httpd.service
    启动: systemctl start httpd.service
    重启: systemctl restart httpd.service
    停止: systemctl stop httpd.service
    卸载: yum erase httpd.x86_64

    php
    安装 : yum install php
    安装其他扩展 :
    yum install php-gd php-mysql php-pdo php-soap php-mbstring php-xmlrpc php-dom php-redis

    mysql
    mysql更改yum路径:
    sudo rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
    安装: yum install mysql
    yum install mysql-server
    yum install mysql-devel
    启动: systemctl start mysqld.service
    重启: systemctl restart mysqld.service
    停止: systemctl stop mysqld.service
    更改初始密码: mysqladmin -u root -p password ‘123456’
    刷新内存中的授权表: mysql>flush privileges;

    配置和目录
    工作目录: /var/www/html/
    apache配置文件: /etc/httpd/conf/httpd.conf
    php配置文件: /etc/php.ini
    mysql配置文件: /etc/my.cnf
    配置权限chmod -R 777 文件名/文件夹