Answers for "PHP code to display the information of the server that PHP is running on:"

install node js ubuntu

sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install nodejs
# Check node version
node -v 
# v13.9.0
# Also, check the npm version
npm -v 
# 6.13.7

install npm ubuntu

sudo apt update
sudo apt install nodejs
sudo apt install npm

linux install node

sudo apt install nodejs

apt-get install

# first make sure all systems are up to date (raspberry pi)
sudo apt-get update && sudo apt-get upgrade

# install the desired package
sudo apt-get install <package name> or <download link>

installing nvm on ubuntu 18.04

nvm install 12.18.3

show php info

phpinfo();