Centos 7 安装Nginx

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本文描述在centos 7下安装Ningix服务器，主要记录安装过程，参考资料来自
http://seanlook.com/2015/05/17/nginx-install-and-config/
http://www.runoob.com/linux/nginx-install-setup.html
其中，Linux版本为Centos 7，采用Xshell连接服务器。

安装编译工具以及库文件

# yum -y install gcc gcc-c++ make libtool zlib zlib-devel openssl openssl-devel pcre pcre-devel

安装PCRE

PCRE(Perl Compatible Regular Expressions)是一个正则表达式的perl库，支持Nginx的Rewrite功能（使用nginx提供的全局变量或自己设置的变量，结合正则表达式和标志位实现url重写以及重定向）。
下载的是8.38版本。
https://sourceforge.net/projects/pcre/files/pcre/8.38/
下载完成后，Xshell执行rz，将文件传输到Centos系统中，mv 到/usr/local/src，tar -zxvf 解压tar文件。
进入到src目录下，编译安装

./configuremake && make install

完成后， pcre-config --version
可以看到版本。

安装Nginx

下载Nginx，安装的版本是nginx-1.8.1
http://nginx.org/download/
将安装包复制到/usr/local/src下，

tar -zxvf nginx-1.8.1.tar.gz

进入到安装目录

./configure --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre=/usr/local/src/pcre-8.38

然后

makemake install

进入到/usr/local/webserver/nginx/sbin/

[root@localhost sbin]# ./nginx -vnginx version: nginx/1.8.1[root@localhost sbin]#

Nginx配置

创建用户www

[root@localhost sbin]# /usr/sbin/groupadd www [root@localhost sbin]# /usr/sbin/useradd -g www www

配置nginx.conf，将/usr/local/webserver/nginx/conf/nginx.conf

user www www;worker_processes 2; #设置值和CPU核心数一致error_log /usr/local/webserver/nginx/logs/nginx_error.log crit; #日志位置和日志级别pid /usr/local/webserver/nginx/nginx.pid;#Specifies the value for maximum file descriptors that can be opened by this process.worker_rlimit_nofile 65535;events{  use epoll;  worker_connections 65535;}http{  include mime.types;  default_type application/octet-stream;  log_format main  '$remote_addr - $remote_user [$time_local] "$request" '               '$status $body_bytes_sent "$http_referer" '               '"$http_user_agent" $http_x_forwarded_for';#charset gb2312;  server_names_hash_bucket_size 128;  client_header_buffer_size 32k;  large_client_header_buffers 4 32k;  client_max_body_size 8m;  sendfile on;  tcp_nopush on;  keepalive_timeout 60;  tcp_nodelay on;  fastcgi_connect_timeout 300;  fastcgi_send_timeout 300;  fastcgi_read_timeout 300;  fastcgi_buffer_size 64k;  fastcgi_buffers 4 64k;  fastcgi_busy_buffers_size 128k;  fastcgi_temp_file_write_size 128k;  gzip on;   gzip_min_length 1k;  gzip_buffers 4 16k;  gzip_http_version 1.0;  gzip_comp_level 2;  gzip_types text/plain application/x-javascript text/css application/xml;  gzip_vary on;  #limit_zone crawler $binary_remote_addr 10m; #下面是server虚拟主机的配置 server  {    listen 80;#监听端口    server_name localhost;#域名    index index.html index.htm index.php;    root /usr/local/webserver/nginx/html;#站点目录      location ~ .*\.(php|php5)?$    {      #fastcgi_pass unix:/tmp/php-cgi.sock;      fastcgi_pass 127.0.0.1:9000;      fastcgi_index index.php;      include fastcgi.conf;    }    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$    {      expires 30d;  # access_log off;    }    location ~ .*\.(js|css)?$    {      expires 15d;   # access_log off;    }    access_log off;  }}

检查配置

[root@localhost sbin]# ./nginx -tnginx: the configuration file /usr/local/webserver/nginx/conf/nginx.conf syntax is oknginx: configuration file /usr/local/webserver/nginx/conf/nginx.conf test is successful[root@localhost sbin]#

启动nginx

[root@localhost sbin]# ./nginx

这时，通过本机访问Linux负载均衡访问不成功，怀疑防火墙。但是调用service iptables stop

[root@localhost sbin]# service iptables stopRedirecting to /bin/systemctl stop  iptables.serviceFailed to issue method call: Unit iptables.service not loaded.

经查，发现Centos 7的防火墙调整为firewalld，

systemctl stop firewalld

问题来源
http://stackoverflow.com/questions/24756240/how-can-i-use-iptables-on-centos-7

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