如何在 CentOS 7 用 cPanel 配置 Nginx 反向代理

让我们过一遍在已经安装好 cPanel 11.52 的 CentOS 7 x86_64 服务器上配置 Nginx 作为反向代理的安装过程。

首先，我们需要安装 EPEL 库来启动这个进程

第一步: 安装 EPEL 库

root@server1 [/usr]# yum -y install epel-release  Loaded plugins: fastestmirror, tsflags, universal-hooks  Loading mirror speeds from cached hostfile  * EA4: 66.23.237.210  * base: mirrors.linode.com  * extras: mirrors.linode.com  * updates: mirrors.linode.com  Resolving Dependencies  --> Running transaction check  ---> Package epel-release.noarch 0:7-5 will be installed  --> Finished Dependency Resolution    Dependencies Resolved    ========================================================================================      Package Arch Version Repository Size  ========================================================================================  Installing:  epel-release noarch 7-5 extras 14 k  

第二步: 安装 nDeploy 的 CentOS RPM 库

可以安装 nDeploy 的 CentOS RPM 库来安装我们所需的 nDeploy Web 类软件和 Nginx 插件

root@server1 [/usr]# yum -y install http://rpm.piserve.com/nDeploy-release-centos-1.0-1.noarch.rpm  Loaded plugins: fastestmirror, tsflags, universal-hooks  nDeploy-release-centos-1.0-1.noarch.rpm | 1.7 kB 00:00:00  Examining /var/tmp/yum-root-ei5tWJ/nDeploy-release-centos-1.0-1.noarch.rpm: nDeploy-release-centos-1.0-1.noarch  Marking /var/tmp/yum-root-ei5tWJ/nDeploy-release-centos-1.0-1.noarch.rpm to be installed  Resolving Dependencies  --> Running transaction check  ---> Package nDeploy-release-centos.noarch 0:1.0-1 will be installed  --> Finished Dependency Resolution    Dependencies Resolved    ========================================================================================  Package Arch Version Repository Size  ========================================================================================  Installing:  nDeploy-release-centos noarch 1.0-1 /nDeploy-release-centos-1.0-1.noarch 110  

第三步：安装 nDeploy 和 Nginx nDeploy 插件

root@server1 [/usr]# yum --enablerepo=ndeploy install nginx-nDeploy nDeploy  Loaded plugins: fastestmirror, tsflags, universal-hooks  epel/x86_64/metalink | 9.9 kB 00:00:00  epel | 4.3 kB 00:00:00  ndeploy | 2.9 kB 00:00:00  (1/4): ndeploy/7/x86_64/primary_db | 14 kB 00:00:00  (2/4): epel/x86_64/group_gz | 169 kB 00:00:00  (3/4): epel/x86_64/primary_db | 3.7 MB 00:00:02    Dependencies Resolved    ========================================================================================  Package Arch Version Repository Size  ========================================================================================  Installing:  nDeploy noarch 2.0-11.el7 ndeploy 80 k  nginx-nDeploy x86_64 1.8.0-34.el7 ndeploy 36 M  Installing for dependencies:  PyYAML x86_64 3.10-11.el7 base 153 k  libevent x86_64 2.0.21-4.el7 base 214 k  memcached x86_64 1.4.15-9.el7 base 84 k  python-inotify noarch 0.9.4-4.el7 base 49 k  python-lxml x86_64 3.2.1-4.el7 base 758 k    Transaction Summary  ========================================================================================  Install 2 Packages (+5 Dependent packages)  

通过以上这些步骤，我们完成了在我们的服务器上 Nginx 插件的安装。现在我们可以配置 Nginx 作为反向代理和为已有的 cPanel 用户账户创建虚拟主机，为此我们可以运行如下脚本。

第四步：启动 Nginx 作为默认的前端 Web 服务器，并创建默认的配置文件

root@server1 [/usr]# /opt/nDeploy/scripts/cpanel-nDeploy-setup.sh enable  Modifying apache http and https port in cpanel    httpd restarted successfully.  Created symlink from /etc/systemd/system/multi-user.target.wants/nginx.service to /usr/lib/systemd/system/nginx.service.  Created symlink from /etc/systemd/system/multi-user.target.wants/ndeploy_watcher.service to /usr/lib/systemd/system/ndeploy_watcher.service.  Created symlink from /etc/systemd/system/multi-user.target.wants/ndeploy_backends.service to /usr/lib/systemd/system/ndeploy_backends.service.  ConfGen:: saheetha  ConfGen:: satest  

你可以看到这个脚本将修改 Apache 的端口从 80 到另一个端口来让 Nginx 作为前端 Web 服务器，并为现有的 cPanel 用户创建虚拟主机配置文件。一旦完成，确认 Apache 和 Nginx 的状态。

Apache 状态：

root@server1 [/var/run/httpd]# systemctl status httpd  ● httpd.service - Apache Web Server  Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)  Active: active (running) since Mon 2016-01-18 06:34:23 UTC; 12s ago  Process: 25606 ExecStart=/usr/sbin/apachectl start (code=exited, status=0/SUCCESS)  Main PID: 24760 (httpd)  CGroup: /system.slice/httpd.service  ‣ 24760 /usr/local/apache/bin/httpd -k start    Jan 18 06:34:23 server1.centos7-test.com systemd[1]: Starting Apache Web Server...  Jan 18 06:34:23 server1.centos7-test.com apachectl[25606]: httpd (pid 24760) already running  Jan 18 06:34:23 server1.centos7-test.com systemd[1]: Started Apache Web Server.  

Nginx 状态：

root@server1 [~]# systemctl status nginx  ● nginx.service - nginx-nDeploy - high performance web server  Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)  Active: active (running) since Sun 2016-01-17 17:18:29 UTC; 13h ago  Docs: http://nginx.org/en/docs/  Main PID: 3833 (nginx)  CGroup: /system.slice/nginx.service  ├─ 3833 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf  ├─25473 nginx: worker process  ├─25474 nginx: worker process  └─25475 nginx: cache manager process    Jan 17 17:18:29 server1.centos7-test.com systemd[1]: Starting nginx-nDeploy - high performance web server...  Jan 17 17:18:29 server1.centos7-test.com nginx[3804]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok  Jan 17 17:18:29 server1.centos7-test.com nginx[3804]: nginx: configuration file /etc/nginx/nginx.conf test is successful  Jan 17 17:18:29 server1.centos7-test.com systemd[1]: Started nginx-nDeploy - high performance web server.  

Nginx 作为前端服务器运行在 80 端口，Apache 配置被更改为监听 http 端口 9999 和 https 端口 4430。请看他们的情况：

root@server1 [/usr/local/src]# netstat -plan | grep httpd  tcp 0 0 0.0.0.0:4430 0.0.0.0:* LISTEN 17270/httpd  tcp 0 0 0.0.0.0:9999 0.0.0.0:* LISTEN 17270/httpd  tcp6 0 0 :::4430 :::* LISTEN 17270/httpd  tcp6 0 0 :::9999 :::* LISTEN 17270/httpd  

root@server1 [/usr/local/src]# netstat -plan | grep nginx  tcp 0 0 127.0.0.1:80 0.0.0.0:* LISTEN 17802/nginx: master  tcp 0 0 45.79.183.73:80 0.0.0.0:* LISTEN 17802/nginx: master  

为已有用户创建的虚拟主机的配置文件在 “/etc/nginx/sites-enabled”。 这个文件路径包含了 Nginx 主要配置文件。

root@server1 [/etc/nginx/sites-enabled]# ll | grep .conf  -rw-r--r-- 1 root root 311 Jan 17 09:02 saheetha.com.conf  -rw-r--r-- 1 root root 336 Jan 17 09:02 saheethastest.com.conf  

一个域名的示例虚拟主机：

server {    listen 45.79.183.73:80;  #CPIPVSIX:80;    # ServerNames  server_name saheetha.com www.saheetha.com;  access_log /usr/local/apache/domlogs/saheetha.com main;  access_log /usr/local/apache/domlogs/saheetha.com-bytes_log bytes_log;    include /etc/nginx/sites-enabled/saheetha.com.include;    }  

我们可以启动浏览器查看网站来确定 Web 服务器的工作状态。安装后，请阅读服务器上的 web 服务信息。

root@server1 [/home]# ip a | grep -i eth0  3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000  inet 45.79.183.73/24 brd 45.79.183.255 scope global dynamic eth0  root@server1 [/home]# nginx -v  nginx version: nginx/1.8.0  

Nginx 将会为任何最新在 cPanel 中创建的账户创建虚拟主机。通过这些简单的的步骤，我们能够在一台 CentOS 7 / cPanel 的服务器上配置 Nginx 作为反向代理。

Nginx 作为反向代理的优势

1. 便于安装和配置。
2. 效率高、性能好。
3. 防止 Ddos 攻击。
4. 支持使用 .htaccess 作为 PHP 的重写规则。

我希望这篇文章对你们有用。感谢你看它。我非常高兴收到你的宝贵意见和建议，并进一步改善。

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