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How to Set Up Nginx Virtual Hosts on Ubuntu 20.04

JH
Joe Harris
October 28, 2020

Nginx is designed to handle multiple domains on a single server and IP address. Virtual hosts provide this feature. In this tutorial, we will set up Nginx virtual hosts.

Nginx configuration files

First, you need to install the Nginx package.

apt install nginx

All configuration files for Nginx virtual hosts are stored in the /etc/nginx/sites-available/ folder. The best way is to create a separate file for each web site on the server. Let’s create the first configuration for domain-name.com.

nano /etc/nginx/sites-available/domain-name.com

Now insert this configuration there.

server {
listen 80; # Specify the listening port
listen [::]:80; # The same thing for IPv6
root /var/www/domain-name.com/html; # The path to the website files
index index.html index.htm; # Files to display if only the domain name is specified in the address
server_name domain-name.com; # Domain name of this site
location / {
try_files $uri $uri/ =404;
}
}

Save and close this file.
Create a folder for the website and place its files there.

mkdir -p /var/www/domain-name.com/html

And set permissions for the folder.

chmod -R 755 /var/www

Enabling the Nginx virtual host

You need to create a symbolic link to the configuration in the sites-enabled directory to enable the virtual host.

ln -s /etc/nginx/sites-available/domain-name.com /etc/nginx/sites-enabled/

Now check the configuration for errors.

nginx -t

And restart the service.

systemctl restart nginx

Now you have a working virtual host for a single domain. You can access it by domain name if the DNS server is configured correctly. Any number of domains can be added to the server in this way.

Disabling Nginx virtual hosts

To disable a virtual host, remove the symbolic link from the sites-enabled folder. To disable returning a standard web page when accessing the server’s IP address, you can simply delete the link to the default configuration.

rm /etc/nginx/sites-enabled/default

Restart the service after that.

systemctl restart nginx

This way you can disable any configuration you need. And enable it by adding a symbolic link again, as we did earlier.

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