

Install Nginx on Ubuntu 20.04
Nginx is an open-source web server that serves web content to a clients. It can also be used as a reverse proxy, load balancer, cache server, and more.
This tutorial demonstrates how to install Nginx on Ubuntu 20.04.
Install Nginx
Add the Nginx repository:
sudo add-apt-repository -y ppa:ondrej/nginx
Install Nginx:
sudo apt install -y nginx
Once installation is finished, we can check Nginx version:
nginx -v
Run the following command to enable Nginx to start on boot:
sudo systemctl enable nginx
You can check whether Nginx service is running with command:
sudo service nginx status
Also you can stop, start and restart the Nginx service:
sudo service nginx stop
sudo service nginx start
sudo service nginx restart
Testing Nginx
Get the IP address of your machine:
hostname -I
Open a web browser and type the IP address. The default Nginx welcome page will be presented as shown below:

Uninstall Nginx
If you decided to completely remove Nginx and related dependencies, execute the following command:
sudo apt purge --autoremove -y nginx
Disable Nginx service:
sudo systemctl disable nginx
sudo systemctl daemon-reload
sudo systemctl reset-failed
Remove GPG key and repository:
sudo rm -rf /etc/apt/trusted.gpg.d/ondrej_ubuntu_nginx.gpg
sudo rm -rf /etc/apt/sources.list.d/ondrej-ubuntu-nginx-focal.list