Install node and npm on a Raspberry Pi or other ARM-based systems

node-install.sh

#!/usr/bin/env bash

# https://raspberrypi.stackexchange.com/questions/4194/getting-npm-installed-on-raspberry-pi-wheezy-image

# Deletes previous installation of node
# Architecture can be found with `uname -m`

version=$1
if [ $# -eq 0 ]; then
    read -p "Node version to install (e.g. v8.11.3): " version
fi
arch=linux-armv7l
node=node-$version-$arch

wget https://nodejs.org/dist/$version/$node.tar.gz
tar -xzf $node.tar.gz && rm $node.tar.gz
sudo rm -rf /opt/nodejs
sudo mv $node /opt/nodejs
sudo rm /usr/bin/node /usr/bin/npm
sudo ln -s /opt/nodejs/bin/node /usr/bin/node
sudo ln -s /opt/nodejs/bin/npm /usr/bin/npm