基础环境：
wmware , centos7.5
1.安装httpd
yum -y install httpd
2.启动httpd
systemctl start httpd
3.设置开机自启动
systemctl enable httpd
4.验证httpd
浏览器输入ip即可
5.安装maraidb
yum -y install mariadb
6.安装mariadb-server
yum install -y mariadb-server
7.启动mariadb
systemctl start mariadb
8.设置开机自启动
sysyemctl enable mariadb
9.安装epel（nginx不在yum源里，所以需要安装）
a：获取epel
wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
b：安装epel
rpm -ivh epel-release-latest-7.noarch.rpm
10.安装php，及扩展。如果之前已经安装我们先卸载一下
yum -y remove php*
由于linux的yum源不存在php7.x，所以我们要更改yum源
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
yum 安装php72和各种拓展，选自己需要的即可
yum -y install
11.重启 httpd ，mariadb
systemctl restart mariadb
systemctl restart httpd
12.安装nginx
yum -y install nginx
13.设置mysql密码
a: 登录mysql
mysql
b: 选择数据库
use mysql;
c: 更新用户密码
update user set password=password("123456")where user='root';
d: 设置远程连接
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY '123456' WITH GRANT OPTION;
e: 刷新
flush privileges;
14.安装git
yum -y install git
15.安装composer
cd /usr/local/bin
curl -s http://getcomposer.org/installer | php
chmod a+x composer.phar
alias composer=/usr/local/bin/composer.phar
