how to upgrade node version in ubuntu 18.04 code example

Example 1: update node js version ubuntu

sudo npm cache clean -f
sudo npm install -g n
sudo n stable

Example 2: how to update node in ubuntu 18.04

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt-get install -y nodejs

Example 3: how to upgrade to latest node in ubuntu 17.04 using terminal

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_13.x | bash -
apt-get install -y nodejs