地址：http://nginx.org/en/download.html
或者在linux上使用wget命令下載：
wget http://124.202.164.5/files/40950000082BD3BE/nginx.org/download/nginx-1.8.1.tar.gz
[root@root3 soft]# tar -zxvf nginx-1.8.0.tar.gz nginx-1.8.0/ nginx-1.8.0/auto/ nginx-1.8.0/conf/ nginx-1.8.0/contrib/ nginx-1.8.0/src/ nginx-1.8.0/configure nginx-1.8.0/LICENSE nginx-1.8.0/README ...
[root@root3 soft]# cd nginx-1.8.0
nginx-1.8.0]# ./configure checking for OS + Linux 2.6.32-431.el6.i686 i686 checking for C compiler ... found + using GNU C compiler ... ./configure: error: the HTTP rewrite module requires the PCRE library. You can either disable the module by using --without-http_rewrite_module option, or install the PCRE library into the system, or build the PCRE library statically from the source with nginx by using --with-pcre=<path> option.
Nginx的一些模塊需要其他第三方庫的支持，比如gzip模塊需要zlib庫，rewrite模塊需要pcre庫，ssl需要openssl庫等。
上述error說明，沒有安裝pcre庫。
安裝zlib、zlib-devel、openssl、openssl-devel、pcrepcre-devel
[root@root3 ~]# yum install zlib zlib-devle openssl openssl-devel pcre pcre-devel
重新./configure
[root@root3 nginx-1.8.0]# ./configure checking for OS + Linux 2.6.32-431.el6.i686 i686 checking for C compiler ... found + using GNU C compiler + gcc version: 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) ... Configuration summary + using system PCRE library + OpenSSL library is not used + md5: using system crypto library + sha1: using system crypto library + using system zlib library nginx path prefix: "/usr/local/nginx" nginx binary file: "/usr/local/nginx/sbin/nginx" nginx configuration prefix: "/usr/local/nginx/conf" nginx configuration file: "/usr/local/nginx/conf/nginx.conf" nginx pid file: "/usr/local/nginx/logs/nginx.pid" nginx error log file: "/usr/local/nginx/logs/error.log" nginx http access log file: "/usr/local/nginx/logs/access.log" nginx http client request body temporary files: "client_body_temp" nginx http proxy temporary files: "proxy_temp" nginx http fastcgi temporary files: "fastcgi_temp" nginx http uwsgi temporary files: "uwsgi_temp" nginx http scgi temporary files: "scgi_temp"
[root@root3 nginx-1.8.0]# make [root@root3 nginx-1.8.0]# make install
安裝成功！。
按照以上命令，Nginx默認被安裝到/usr/local/nginx下。另外您可以通過./configure --help命令查看Nginx可選擇編譯項目。可參考《Nginx手動編譯的編譯選項解析》。
a)啟動
Nginx的安裝目錄是/usr/local/nginx,那么Nginx的啟動命令就是：
/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
其中參數“-c”指定了配置文件的路徑，如果不加"-c'參數，Nginx會默認加載其安裝目錄的的conf子目錄的nginx.conf文件。在本例中是/usr/local/nginx/conf/nginx.conf。
如果配置文件正確，則顯示以下信息：
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
測試是否啟動成功：
[root@mch conf]# ps -ef|grep nginx root 2896 1 0 10:56 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf oracle 2897 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2898 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2899 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2900 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2901 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2902 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2903 2896 0 10:56 ? 00:00:00 nginx: worker process oracle 2904 2896 0 10:56 ? 00:00:00 nginx: worker process root 3033 2876 0 11:17 pts/0 00:00:00 grep nginx
通過瀏覽器訪問：IP地址:Nginx端口號（端口號是在nginx.conf中server模塊中配置的），我的是：http://192.168.159.129:80/
b) 停止
Nginx的停止的方法有很多種，一般是通過發送系統信號給Nginx主進程的方式來停止Nginx。
我們通過ps命令查看Nginx的主進程號：
[root@mch ~]# ps -ef | grep nginx root 2439 1 0 10:49 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf oracle 2440 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2441 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2442 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2443 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2444 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2445 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2446 2439 2 10:49 ? 00:00:00 nginx: worker process oracle 2447 2439 2 10:49 ? 00:00:00 nginx: worker process root 2449 2407 0 10:49 pts/0 00:00:00 grep nginx
從上邊可以看到：其中備注為master process的進程，表示他是主進程，另外8個“worker process”，表示是子進程，其中2439是主進程號。
a)從容停止Nginx
kill - QUIT Nginx主進程號。
或：
kill -QUTI /usr/local/nginx/nginx.pid
b)快速停止Nginx
kill - TERM Nginx主進程號
kill - TERM /usr/local/nginx/nginx.pid
或：
kill - INT Nginx主進程號
kill - INT /usr/local/nginx/nginx.pid
c)強制停止所有nginx進程
kill -9 nginx
c)平滑重啟
重啟之前要確認配置文件nginx.conf的語法是否正確，否則nginx不會加載新的配置文件。通過以下命令判斷neginx配置文件是否正確：
/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
控制台出現如下結果說明配置文件正確：
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
查看nginx主進程號：
[root@mch /]# ps -ef|grep nginx root 2896 1 0 Oct13 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf oracle 9954 2896 3 15:46 ? 00:00:00 nginx: worker process oracle 9955 2896 3 15:46 ? 00:00:00 nginx: worker process oracle 9956 2896 2 15:46 ? 00:00:00 nginx: worker process oracle 9957 2896 2 15:46 ? 00:00:00 nginx: worker process oracle 9958 2896 3 15:46 ? 00:00:00 nginx: worker process oracle 9959 2896 3 15:46 ? 00:00:00 nginx: worker process oracle 9960 2896 3 15:46 ? 00:00:00 nginx: worker process oracle 9961 2896 3 15:46 ? 00:00:00 nginx: worker process root 9975 7915 0 15:46 pts/0 00:00:00 grep nginx
重啟Nginx：
kill -HUP Nginx主進程號
kill -HUP /usr/local/nginx/nginx.pid
參考文檔：
《實戰Nginx：取代Apache的高性能Web服務器》