how to install node js 12 in ubuntu 18.04 code example
Example 1: install node js lts ubuntu 18.04
// Enabling NodeSource Repository
// replace %V% with desired major version
curl -sL https://deb.nodesource.com/setup_%V%.x | sudo bash -
// Install using apt-get
sudo apt-get install -y nodejs
// check installed node version
node --version
Example 2: install node package manager ubuntu 18.04
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash