CentOS7.X安裝Nginx

安裝nginx

1. 安裝前的準備

   yum install 
   vim 
   gcc 
   gcc-c++ 
   wget 
   make 
   libtool 
   automake 
   autoconf 
   -y 

2. 安裝PCRE庫

   cd /root
   wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.39.tar.gz
   或者(第三方)：wget https://fossies.org/linux/misc/pcre-8.39.tar.gz
   tar -zxvf pcre-8.39.tar.gz
   cd pcre-8.39
   ./configure
   make
   make install

3. 安裝zlib庫

   cd /root
   wget http://zlib.net/zlib-1.2.11.tar.gz
   tar -zxvf zlib-1.2.11.tar.gz
   cd zlib-1.2.11
   ./configure
   make
   make install

4. 安裝openssl

   # openssl從1.0.2開始支援http2
   cd /root
   wget https://www.openssl.org/source/openssl-1.0.2l.tar.gz
   tar -zxvf openssl-1.0.2l.tar.gz

5. 安裝nginx

   # nginx在1.9.5開始支援http2
   cd /root
   wget http://nginx.org/download/nginx-1.13.2.tar.gz
   tar -zxvf nginx-1.13.2.tar.gz
   cd nginx-1.13.2
   
   ---------------------------------------------------------
   # 安裝前小提示:如果要隱藏Web服務名稱`nginx`,可以使用以下方法
   vim ./src/http/ngx_http_header_filter_module.c
   ngx_http_server_string[] = "Server: nginx" CRLF;
   # 改為
   ngx_http_server_string[] = "Server: My web" CRLF;
   ESC
   :wq
   
   vim ./src/http/ngx_http_special_response.c
   <hr><center>nginx</center>
   # 改為
   <center><h1>My web</h1></center>
   # 並且
   static u_char ngx_http_msie_padding[] =
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF
   "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF;
   # 改為
   static u_char ngx_http_msie_padding[] = "<!-- My web -->" CRLF;
   ESC
   :wq
   ---------------------------------------------------------
   
   ./configure 
   --prefix=/usr/local/nginx/ 
   --with-http_v2_module 
   --with-http_ssl_module 
   --with-http_realip_module 
   --with-http_stub_status_module 
   --with-pcre=../pcre-8.39/ 
   --with-zlib=../zlib-1.2.11/ 
   --with-openssl=../openssl-1.0.2l/ 
   
   make
   make install

6. 開啟80埠（方式1）

   netstat -ano|grep 80
   iptables -t filter -A INPUT -p tcp -j ACCEPT

7. 開啟80埠（方式2）

   yum install firewalld
   systemctl enable firewalld
   systemctl start firewalld
   firewall-cmd --zone=public --add-port=80/tcp --permanent
   firewall-cmd --zone=public --add-port=443/tcp --permanent
   firewall-cmd --reload

8. 修改nginx配置

   vim /usr/local/nginx/conf/nginx.conf
   
   user                www;
   worker_processes    auto;
   worker_cpu_affinity auto;
   pid                 logs/nginx.pid;
   
   events {
       worker_connections  1024;
   }
   
   http {
       charset         utf-8;
       server_tokens   off;
       include         mime.types;
       default_type    application/octet-stream;
   
       access_log         logs/access.log;
       error_log          logs/error.log;
       sendfile           on;
       keepalive_timeout  65;
       gzip               on;
   
       server {
           listen       80;
           server_name  www.test.com;
           root         /www;
   
           location / {
               index    index.php index.html index.htm;
           }
   
           location ~ .php$ {
               fastcgi_index  index.php;
               fastcgi_pass   127.0.0.1:9000;
               fastcgi_param  SCRIPT_NAME      $fastcgi_script_name;
               fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
               include        fastcgi_params;
           }
       }
   }
   
   ESC
   :wq

9. 如果沒有www使用者,建立www使用者

   useradd www

10. 啟動nginx並設定開機啟動

    # 將nginx目錄所屬使用者設定為www
    mkdir /www
    chown -R www:www /www
    chown -R www:www /usr/local/nginx
    
    # 進入單元檔案目錄
    cd /etc/systemd/system
    
    # 建立nginx單元檔案,格式為: [單元檔名].[單元檔案型別]
    vim nginx.service
    
    [Unit]
    Description=Start nginx on boot.
    After=network.target
    
    [Service]
    User=root
    Group=root
    Type=forking
    ExecStart=/usr/local/nginx/sbin/nginx
    ExecReload=/usr/local/nginx/sbin/nginx -s reload
    ExecStop=/usr/local/nginx/sbin/nginx -s quit
    PrivateTmp=true
    
    [Install]
    WantedBy=multi-user.target
    
    ESC
    :wq
    
    # 修改檔案許可權為只有root使用者可以編輯該檔案
    chown -R root:root /etc/systemd/system/nginx.service
    chmod -R 644 /etc/systemd/system/nginx.service
    
    # 更新systemd
    systemctl daemon-reload
    systemctl enable nginx
    systemctl start nginx

11. nginx操作

    /usr/local/nginx/sbin/nginx    啟動
    /usr/local/nginx/sbin/nginx -t 檢查當前配置錯誤
    /usr/local/nginx/sbin/nginx -s reload 過載配置
    /usr/local/nginx/sbin/nginx -s reopen 重開日誌
    /usr/local/nginx/sbin/nginx -s quit   正常關閉
    /usr/local/nginx/sbin/nginx -s stop   強制關閉

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