install-nodejs-ubuntu

#update packages
sudo apt-get update

#install git
sudo apt-get install git

#download nodejs
cd ~ 
wget https://nodejs.org/dist/v4.3.2/node-v4.3.2-linux-x64.tar.xz

#create directory and put node on it
mkdir node
tar xvf node-v*.tar.?z --strip-components=1 -C ./node

#delete downloaded version
cd ~ 
rm -rf node-v*

#create directory and move content
mkdir node/etc
echo 'prefix=/usr/local' > node/etc/npmrc
sudo mv node /opt/

#give permissions
sudo chown -R root: /opt/node
sudo ln -s /opt/node/bin/node /usr/local/bin/node
sudo ln -s /opt/node/bin/npm /usr/local/bin/npm

#check versions
node -v
npm -v