vim /etc/selinux/config
#SELINUX=enforcing   #注释掉
#SELINUXTYPE=targeted  #注释掉
SELINUX=disabled    #增加
:wq           #保存退出  
shutdown -r now     #重启系统

[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

[epel-debuginfo]
name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch/debug
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

[epel-source]
name=Extra Packages for Enterprise Linux 6 - $basearch - Source
baseurl=http://download.fedoraproject.org/pub/epel/6/SRPMS
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

ius                                                                             | 2.3 kB   00:00   
ius/primary_db                                                                       | 183 kB   00:00   
repo id                             repo name                                                  status
base                              CentOS-6 - Base                                               5,062
epel                              Extra Packages for Enterprise Linux 6 - i386                                 9,992
extras                             CentOS-6 - Extras                                                39
ius                               IUS Community Packages for Enterprise Linux 6 - i386                              329
updates                             CentOS-6 - Updates                                               382
repolist: 15,804

[root@localhost ~]# yum list nginx mysql php
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
* base: mirrors.163.com
* extras: mirrors.163.com
* ius: hkg.mirror.rackspace.com
* updates: mirrors.163.com
Available Packages　　　　
mysql.i686 5.1.73-7.el6 base 
nginx.i686 1.10.1-1.el6 epel 
php.i686 5.3.3-48.el6_8 updates

软件名字　　　　　　　　　　　　　　　　软件版本　　　　　　　　　　　　　　　　　　　　　　　　　　　　#软件所在仓库

php56u.i686            5.6.26-1.ius.centos6                  ius 
mysql55.i686           5.5.52-1.ius.centos6                  ius 
安装nginx
yum remove httpd* php* #删除系统自带的软件包
yum install nginx　　 　#安装nginx 根据提示输入y进行安装
chkconfig nginx on 　　 #设置nginx开机启动
service nginx start  #启动nginx
安装MySQL
yum remove mysql* 　　 #删除系统已经安装的mysql
yum list mysql*  　　#列出mysql所有版本，找到要安装的版本的名字
yum install mysql57u* #我安装的是mysql5.7.15。输入Y即可自动安装,直到安装完成
service mysqld start  #启动MySQL
chkconfig mysqld on 　　#设为开机启动

yum install php56u-fpm php56u-mbstring php56u-bcmath php56u-mcrypt php56u-xmlrpc php56u-pdo php56u-xml php56u-xmlrpc php56u-mysqlnd php56u-gd php56u-opcache　　　　#安装php5.6及扩展

chkconfig php-fpm on  #设置php-fpm开机启动
service php-fpm start 　#启动php-fpm

#
# The default server
#

server {
  listen    80;
  server_name n.com;
  root     /usr/share/nginx/html;
  index index.php index.html;

  # Load configuration files for the default server block.

  location / {
  try_files $uri $uri/ /index.php?$args;
  }

  location ~ .*.(php)?$ {
    expires -1s;
    try_files $uri =404;
    fastcgi_split_path_info ^(.+.php)(/.+)$;
    include fastcgi_params;
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_pass 127.0.0.1:9000;
  }
  error_page 404 /404.html;
    location = /40x.html {
  }

  error_page 500 502 503 504 /50x.html;
    location = /50x.html {
  }

}

cd /usr/share/nginx/html　　#进入html目录
vim index.php　　　　　　　　#新建index.php，加上phpinfo();