how to uninstall nginx in ubuntu 20.04 code example

Example 1: remove nginx from ubuntu

sudo apt-get remove nginx nginx-common
or
sudo apt-get purge nginx nginx-common

sudo apt-get autoremove

Example 2: remove nginx

sudo apt-get remove nginx* --purge

Example 3: install nginx on ubuntu 18.04

sudo apt update
sudo apt install nginx

Example 4: ubuntu install nginx

sudo apt update
sudo apt install nginx