讓我們過一遍在已經安裝好 cPanel 11.52 的 CentOS 7 x86_64 服務器上配置 Nginx 作為反向代理的安裝過程。
首先，我們需要安裝 EPEL 庫來啟動這個進程
第一步: 安裝 EPEL 庫root@server1 [/usr]# yum -y install epel-releaseLoaded plugins: fastestmirror, tsflags, universal-hooksLoading mirror speeds from cached hostfile* EA4: 66.23.237.210* base: mirrors.linode.com* extras: mirrors.linode.com* updates: mirrors.linode.comResolving Dependencies--> Running transaction check---> Package epel-release.noarch 0:7-5 will be installed--> Finished Dependency ResolutionDependencies Resolved======================================================================================== Package Arch Version Repository Size========================================================================================Installing:epel-release noarch 7-5 extras 14 k
root@server1 [/usr]# yum -y install http://rpm.piserve.com/nDeploy-release-centos-1.0-1.noarch.rpmLoaded plugins: fastestmirror, tsflags, universal-hooksnDeploy-release-centos-1.0-1.noarch.rpm | 1.7 kB 00:00:00Examining /var/tmp/yum-root-ei5tWJ/nDeploy-release-centos-1.0-1.noarch.rpm: nDeploy-release-centos-1.0-1.noarchMarking /var/tmp/yum-root-ei5tWJ/nDeploy-release-centos-1.0-1.noarch.rpm to be installedResolving Dependencies--> Running transaction check---> Package nDeploy-release-centos.noarch 0:1.0-1 will be installed--> Finished Dependency ResolutionDependencies 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：安裝 nDeploy 和 Nginx nDeploy 插件
root@server1 [/usr]# yum --enablerepo=ndeploy install nginx-nDeploy nDeployLoaded plugins: fastestmirror, tsflags, universal-hooksepel/x86_64/metalink | 9.9 kB 00:00:00epel | 4.3 kB 00:00:00ndeploy | 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 00:00:02Dependencies Resolved========================================================================================Package Arch Version Repository Size========================================================================================Installing:nDeploy noarch 2.0-11.el7 ndeploy 80 knginx-nDeploy x86_64 1.8.0-34.el7 ndeploy 36 MInstalling for dependencies:PyYAML x86_64 3.10-11.el7 base 153 klibevent x86_64 2.0.21-4.el7 base 214 kmemcached x86_64 1.4.15-9.el7 base 84 kpython-inotify noarch 0.9.4-4.el7 base 49 kpython-lxml x86_64 3.2.1-4.el7 base 758 kTransaction Summary========================================================================================Install 2 Packages (+5 Dependent packages)
通過以上這些步驟，我們完成了在我們的服務器上 Nginx 插件的安裝。現在我們可以配置 Nginx 作為反向代理和為已有的 cPanel 用戶賬戶創建虛擬主機，為此我們可以運行如下腳本。
第四步：啟動 Nginx 作為默認的前端 Web 服務器，並創建默認的配置文件root@server1 [/usr]# /opt/nDeploy/scripts/cpanel-nDeploy-setup.sh enableModifying apache http and https port in cpanelhttpd 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:: saheethaConfGen:: satest
你可以看到這個腳本將修改 Apache 的端口從 80 到另一個端口來讓 Nginx 作為前端 Web 服務器，並為現有的 cPanel 用戶創建虛擬主機配置文件。一旦完成，確認 Apache 和 Nginx 的狀態。
Apache 狀態：root@server1 [/var/run/httpd]# systemctl status httpd● httpd.service - Apache Web ServerLoaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)Active: active (running) since Mon 2016-01-18 06:34:23 UTC; 12s agoProcess: 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 startJan 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 runningJan 18 06:34:23 server1.centos7-test.com systemd[1]: Started Apache Web Server.Nginx 狀態：
root@server1 [~]# systemctl status nginx● nginx.service - nginx-nDeploy - high performance web serverLoaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)Active: active (running) since Sun 2016-01-17 17:18:29 UTC; 13h agoDocs: 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 processJan 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 okJan 17 17:18:29 server1.centos7-test.com nginx[3804]: nginx: configuration file /etc/nginx/nginx.conf test is successfulJan 17 17:18:29 server1.centos7-test.com systemd[1]: Started nginx-nDeploy - high performance web server.
Nginx 作為前端服務器運行在 80 端口，Apache 配置被更改為監聽 http 端口 9999 和 https 端口 4430。請看他們的情況：
root@server1 [/usr/local/src]# netstat -plan | grep httpdtcp 0 0 0.0.0.0:4430 0.0.0.0:* LISTEN 17270/httpdtcp 0 0 0.0.0.0:9999 0.0.0.0:* LISTEN 17270/httpdtcp6 0 0 :::4430 :::* LISTEN 17270/httpdtcp6 0 0 :::9999 :::* LISTEN 17270/httpd
root@server1 [/usr/local/src]# netstat -plan | grep nginxtcp 0 0 127.0.0.1:80 0.0.0.0:* LISTEN 17802/nginx: mastertcp 0 0 45.79.183.73:80 0.0.0.0:* LISTEN 17802/nginx: master
為已有用戶創建的虛擬主機的配置文件在 “/etc/nginx/sites-enabled”。 這個文件路徑包含了 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一個域名的示例虛擬主機：
server {listen 45.79.183.73:80;#CPIPVSIX:80;# ServerNamesserver_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;}我們可以啟動浏覽器查看網站來確定 Web 服務器的工作狀態。安裝後，請閱讀服務器上的 web 服務信息。
root@server1 [/home]# ip a | grep -i eth03: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000inet 45.79.183.73/24 brd 45.79.183.255 scope global dynamic eth0root@server1 [/home]# nginx -vnginx version: nginx/1.8.0
Nginx 將會為任何最新在 cPanel 中創建的賬戶創建虛擬主機。通過這些簡單的的步驟，我們能夠在一台 CentOS 7 / cPanel 的服務器上配置 Nginx 作為反向代理。
Nginx 作為反向代理的優勢我希望這篇文章對你們有用。感謝你看它。我非常高興收到你的寶貴意見和建議，並進一步改善。
原文來自：https://linux.cn/article-7751-1.html
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