Setting Proxy Nginx Centos 7
Introduction
Setting up a proxy server on a CentOS 7 server is a relatively straightforward task. Nginx is a powerful open source reverse proxy server built on top of an optimized HTTP server engine. Nginx is excellent for serving high-performance, stable web applications under heavy load. This tutorial explains how to install Nginx on a CentOS 7 server and how to configure it as a reverse proxy for Apache web server.
Installing Nginx
First, make sure you’re working as root. Installing Nginx on CentOS 7 requires root privileges. To switch to root, type the following command:
# sudo su
The next step is to install Nginx. You can do this by running the following command:
# yum install nginx
Once Nginx is installed, you can start it by running the following command:
# systemctl start nginx
You can then check the status to make sure everything is working correctly:
# systemctl status nginx
If everything is working correctly, you should see something like this:
Active: active (running) since Mon 2019-07-15 10:12:56 EDT; 20min ago
By default, Nginx runs on port 80. You can confirm this by running the following command:
# netstat -tulpn | grep :80
You should see something like this:
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 44696/nginx
Configuring Nginx to Proxy Apache
We now need to configure Nginx to proxy requests to Apache. To do this, edit the Nginx configuration file located at /etc/nginx/nginx.conf. Scroll down to the “HTTP” section of the file and add the following line:
proxy_pass http://127.0.0.1:8080;
The line above tells Nginx to proxy requests to the Apache server listening on port 8080.Save the file and restart Nginx with the following command:
# systemctl restart nginx
Testing the Proxy
Now that Nginx is configured as a proxy for Apache, we can test it by making a request to Apache via Nginx. To do this, make a request to the following URL:
http://your_server_ip/
If everything is working correctly, you should see the default Apache page. You can also test the proxy by making a request to the following URL:
http://your_server_ip/proxy_test
If everything is working correctly, you should see the default Nginx page.
Installing Apache
If you don’t already have Apache installed, you can install it with the following command:
# yum install httpd
Once Apache is installed, you can start it by running the following command:
# systemctl start httpd
You can then check the status to make sure everything is working correctly:
# systemctl status httpd
If everything is working correctly, you should see something like this:
Active: active (running) since Mon 2019-07-15 10:12:56 EDT; 20min ago
Configuring Nginx to Proxy VIRTUAL HOSTS
Now that Nginx and Apache are installed, it’s time to configure Nginx to proxy requests to the appropriate virtual hosts. To do this, edit the Nginx configuration file located at /etc/nginx/nginx.conf and add the following lines:
http {
upstream myproxyserver {
server 127.0.0.1:8080
}
server {
listen 80;
server_name www.mydomain.com;
location / {
proxy_pass http://myproxyserver;
}
}
}
Save the file and restart Nginx with the following command:
# systemctl restart nginx
Conclusion
In this article, we installed Nginx and Apache, and configured a reverse proxy for Apache web server using Nginx on a CentOS 7 server. Setting up a proxy server is a relatively straightforward task but requires a good understanding of the configuration options available for both Nginx and Apache. We hope you have found this tutorial useful.
Thank You for Reading
Thank you for reading this article. If you have any questions or comments, please feel free to leave them in the comments section below. We hope this article has been helpful and if you found it useful, please share it with your friends and colleagues.
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