Linux下编译安装Nginx

//系统
# uname -r
2.6.32-642.el6.x86_64
# cat /etc/redhat-release
CentOS release 6.8 (Final)
//校准时间的定时任务
# crontab -l
00 */3 * * * /usr/sbin/ntpdate cn.pool.ntp.org && clock -w
//SELinux 设置
# setenforce 0
# sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
//iptables 设置
# /etc/init.d/iptables stop
# chkconfig iptables off
//yum 源更换为阿里 yum 源
# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
# yum clean all
# yum makecache

//解决依赖
 #yum -y install openssl* wget gcc gcc-c++ cmake pcre* curl*

//开始安装，本次安装Nginx 1.11.3
# wget http://nginx.org/download/nginx-1.11.3.tar.gz
# tar zxvf nginx-1.11.3.tar.gz && cd nginx-1.11.3
# ./configure --prefix=/usr/local/nginx && make && make install
//检查 Nginx 语法
# /usr/local/nginx/sbin/nginx -t
//启动 Nginx，以下附启动脚本启动方法
# /usr/local/nginx/sbin/nginx
# chmod 755 /etc/init.d/nginx
# /etc/init.d/nginx status
nginx (pid 1607 1605) 正在运行...
//Nginx 版本
# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.11.3
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC)
configure arguments: --prefix=/usr/local/nginx

//nginx 配置文件详细解析，按需取用
//定义Nginx运行的用户和用户组
user nginx nginx;

#nginx进程数,建议设置为等于CPU总核心数.或使用auto配置
worker_processes 8;
#全局错误日志定义类型,[ debug | info | notice | warn | error | crit ]
error_log /var/log/nginx/error.log info;
#进程文件
pid /var/run/nginx.pid;
#一个nginx进程打开的最多文件描述符数目,理论值应该是最多打开文件数（系统的值ulimit -n）与nginx进程数相除,但是nginx分配请求并不均匀,所以建议与ulimit -n的值保持一致.
worker_ulimit_nofile 65535;
#工作模式与连接数上限
events
{
 #参考事件模型,use [ kqueue | rtsig | epoll | /dev/poll | select | poll ]; 
 #epoll模型是Linux 2.6以上版本内核中的高性能网络I/O模型,如果跑在FreeBSD上面,就用kqueue模型.
 use epoll;
 #单个进程最大连接数（最大连接数=连接数*进程数）
 worker_connections 65535;
}
#设定http服务器
http
{
 #文件扩展名与文件类型映射表
 include mime.types; 
 #默认文件类型
 default_type application/octet-stream;
 #默认编码
 #charset utf-8;
 #服务器名字的hash表大小
 server_names_hash_bucket_size 128;
 #上传文件大小限制
 client_header_buffer_size 32k;
 #设定请求缓存大小
 large_client_header_buffers 4 64k;
 client_max_body_size 8m;
 #开启高效文件传输模式,sendfile指令指定nginx是否调用sendfile函数来输出文件,对于普通应用设为 on,如果用来进行下载等应用磁盘IO重负载应用,可设置为off,以平衡磁盘与网络I/O处理速度,降低系统的负载.注意:如果图片显示不正常把这个改成off.
 sendfile on; 
 #开启目录列表访问,合适下载服务器,默认关闭.
 autoindex on;
 #防止网络阻塞
 tcp_nopush on; 
 tcp_nodelay on;
 #长连接超时时间,单位是秒
 keepalive_timeout 120;
 #FastCGI相关参数是为了改善网站的性能:减少资源占用,提高访问速度.下面参数看字面意思都能理解.
 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模块设置
 gzip on; #开启gzip压缩输出
 gzip_min_length 1k; #最小压缩文件大小
 gzip_buffers 4 16k; #压缩缓冲区
 gzip_http_version 1.0; #压缩版本（默认1.1,前端如果是squid2.5请使用1.0）
 gzip_comp_level 2; #压缩等级
 gzip_types text/plain application/x-javascript text/css application/xml;
 #压缩类型,默认就已经包含text/html,所以下面就不用再写了,写上去也不会有问题,但是会有一个warn.
 gzip_vary on;
 #limit_zone crawler $binary_remote_addr 10m; #开启限制IP连接数的时候需要使用
 upstream blog.ha97.com {
 #upstream的负载均衡,weight是权重,可以根据机器配置定义权重.weigth参数表示权值,权值越高被分配到的几率越大.
 server 192.168.80.121:80 weight=3;
 server 192.168.80.122:80 weight=2;
 server 192.168.80.123:80 weight=3;
 }
 #虚拟主机的配置
 server
 {
  #监听端口
  listen 80;
  #域名可以有多个,用空格隔开
  server_name www.ha97.com ha97.com;
  index index.html index.htm index.php;
  root /data/www/ha97;
  location ~ .*\.(php|php5)?$
  {
   fastcgi_pass 127.0.0.1:9000;
   fastcgi_index index.php;
   include fastcgi.conf;
  }
  #图片缓存时间设置
  location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
  {
   expires 10d;
  }
  #JS和CSS缓存时间设置
  location ~ .*\.(js|css)?$
  {
   expires 1h;
  }
  #日志格式设定
  log_format access '$remote_addr - $remote_user [$time_local] "$request" '
  '$status $body_bytes_sent "$http_referer" '
  '"$http_user_agent" $http_x_forwarded_for';
  #定义本虚拟主机的访问日志
  access_log /var/log/nginx/ha97access.log access;
  #对 "/" 启用反向代理
  location / {
   proxy_pass http://127.0.0.1:88;
   proxy_redirect off;
   proxy_set_header X-Real-IP $remote_addr;
   #后端的Web服务器可以通过X-Forwarded-For获取用户真实IP
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   #以下是一些反向代理的配置,可选.
   proxy_set_header Host $host;
   client_max_body_size 10m; #允许客户端请求的最大单文件字节数
   client_body_buffer_size 128k; #缓冲区代理缓冲用户端请求的最大字节数,
   proxy_connect_timeout 90; #nginx跟后端服务器连接超时时间(代理连接超时)
   proxy_send_timeout 90; #后端服务器数据回传时间(代理发送超时)
   proxy_read_timeout 90; #连接成功后,后端服务器响应时间(代理接收超时)
   proxy_buffer_size 4k; #设置代理服务器（nginx）保存用户头信息的缓冲区大小
   proxy_buffers 4 32k; #proxy_buffers缓冲区,网页平均在32k以下的设置
   proxy_busy_buffers_size 64k; #高负荷下缓冲大小（proxy_buffers*2）
   proxy_temp_file_write_size 64k; #设定缓存文件夹大小,大于这个值,将从upstream服务器传
  }
  #设定查看Nginx状态的地址
  location /NginxStatus {
   stub_status on;
   access_log on;
   auth_basic "NginxStatus";
   auth_basic_user_file conf/htpasswd;
   #htpasswd文件的内容可以用apache提供的htpasswd工具来产生.
  }
  #本地动静分离反向代理配置
  #所有jsp的页面均交由tomcat或resin处理:
  location ~ .(jsp|jspx|do)?$ {
   proxy_set_header Host $host;
   proxy_set_header X-Real-IP $remote_addr;
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   proxy_pass http://127.0.0.1:8080;
  }
  #所有静态文件由nginx直接读取不经过tomcat或resin
  location ~ .*.(htm|html|gif|jpg|jpeg|png|bmp|swf|ioc|rar|zip|txt|flv|mid|doc|ppt|pdf|xls|mp3|wma)$
   {  expires 15d; }
  location ~ .*.(js|css)?$
   { expires 1h; }
 }
} 

//Nginx启动脚本
#!/bin/bash
# nginx Startup script for the Nginx HTTP Server
# it is v.0.0.2 version.
# chkconfig: - 85 15
# description: Nginx is a high-performance web and proxy server.
#              It has a lot of features, but it's not for everyone.
# processname: nginx
# pidfile: /var/run/nginx.pid
# config: /usr/local/nginx/conf/nginx.conf

# Comments to support LSB init script conventions
### BEGIN INIT INFO
# Provides: nginx
# Required-Start: $local_fs $network $remote_fs
# Should-Start: ypbind nscd ldap ntpd xntpd mysql
# Required-Stop: $local_fs $network $remote_fs
# Default-Start:  3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop nginx
# Description: Sunniwell Vision nginx Server
### END INIT INFO
//指定Nginx启动位置
nginxd=/usr/local/nginx/sbin/nginx
//指定Nginx配置文件位置
nginx_config=/usr/local/nginx/conf/nginx.conf
//指定Nginx pid位置
nginx_pid=/var/run/nginx.pid
RETVAL=0
prog="nginx"
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
[ -x $nginxd ] || exit 0
# Start nginx daemons functions.
start() {
if [ -e $nginx_pid ];then
   echo "nginx already running...."
   exit 1
fi
   echo -n $"Starting $prog: "
   daemon $nginxd -c ${nginx_config}
   RETVAL=$?
   echo
   [ $RETVAL = 0 ] && touch /var/lock/subsys/nginx
   return $RETVAL
}
# Stop nginx daemons functions.
stop() {
        echo -n $"Stopping $prog: "
        killproc $nginxd
        RETVAL=$?
        echo
        [ $RETVAL = 0 ] && rm -f /var/lock/subsys/nginx /var/run/nginx.pid
}
# reload nginx service functions.
reload() {
    echo -n $"Reloading $prog: "
    #kill -HUP `cat ${nginx_pid}`
    killproc $nginxd -HUP
    RETVAL=$?
    echo
}
# See how we were called.
case "$1" in
start)
        start
        ;;
stop)
        stop
        ;;
reload)
        reload
        ;;
restart)
        stop
        start
        ;;
status)
        status $prog
        RETVAL=$?
        ;;
*)
        echo $"Usage: $prog {start|stop|restart|reload|status|help}"
        exit 1
esac
exit $RETVAL