CentOS快速部署nginx+php
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在 h5ai-时尚的HTTP服务器索引 一文中提到了h5ai 运行环境需要web服务器支持php，所以在软件仓库环境web下载页面部署Nginx 和 PHP。
LEMP stack is a group of open source software to get web servers up and running. The acronym stands for Linux, nginx (pronounced Engine x), MySQL, and PHP.
sudo yum install epel-release也可以使用 nginx 官方网站提供的nginx软件库
sudo yum install mysql-server
sudo /etc/init.d/mysqld restart默认的安装包提供了一些交互配置MySQL的脚本
sudo /usr/bin/mysql_secure_installation作为下载站点，这步跳过
sudo yum install nginx
sudo systemctl start nginx遇到报错，则使用systemctl status nginx.service检查。
曾经遇到以下报错
Jan 02 23:06:01 testtfs-1-3.sqa.ztt nginx[10545]: nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)
Jan 02 23:06:01 testtfs-1-3.sqa.ztt nginx[10545]: nginx: configuration file /etc/nginx/nginx.conf test failed
Jan 02 23:06:01 testtfs-1-3.sqa.ztt systemd[1]: nginx.service: control process exited, code=exited status=1
Jan 02 23:06:01 testtfs-1-3.sqa.ztt systemd[1]: Failed to start The nginx HTTP and reverse proxy server.这是因为主机没有配置支持IPv6，所以需要如下更改注释掉listen [::]:80 default_server;
server {
listen 80 default_server;
#listen [::]:80 default_server;
server_name _;
root /usr/share/nginx/html;sudo yum install php-fpm php-mysql编辑 /etc/php.ini ，修改 cgi.fix_pathinfo=1 将 1 改成 0
cgi.fix_pathinfo=0cgi.fix_pathinfo 设置为1，则php解析器将尽可能处理请求相近的文件，这会导致安全隐患。如果设置为0，则要求解析器完全匹配文件路径，这样更为安全。
在h5ai-时尚的HTTP服务器索引 中，要求PHP 5.5以上版本。在CentOS 7平台，当前还只提供了 5.4.16版本不能满足要求。所以需要通过第三方安装仓库。
参考 PHP 5.6 on CentOS/RHEL 7.2 and 6.8 via Yum，使用第三方webtatic提供的软件包
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 install php56w-fpm如果要替代已经安装的php-fpm则执行以下命令（不需要执行yum install php56w-fpm，就会自动替换已经安装的php-fpm）
yum install yum-plugin-replace
yum replace php-common --replace-with=php56w-common设置 /etc/nginx/nginx.conf ，将 worker 处理进程设置为16(我这里设置为处理数量的一半) ，或者设置成auto则自动配置成和处理器相同的树枝
配置nginx默认虚拟主机 ，编辑 /etc/nginx/nginx.conf
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
root /usr/share/nginx/html;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}编辑 /etc/php-fpm.d/www.conf
user = nginx
group = nginx将默认的apache用户和组替换成nginx
sudo systemctl restart php-fpm
sudo systemctl restart nginx