sudo apt-get install nodejs
sudo apt install nodejs-legacy
sudo apt install npm
npm install -g cnpm --registry=https://registry.npm
sudo npm install n -g
sudo n stable
sudo node -v
sudo apt-get install nodejs
sudo apt install nodejs-legacy
sudo apt install npm
npm install -g cnpm --registry=https://registry.npm
sudo npm install n -g
sudo n stable
sudo node -v