Shell script to update / change the installed node version for production use without nvm

node-updater.sh

#!/bin/sh

if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi

if [ -z $1 ]; then
  echo "Version required (x.y.z)"
  exit 1
 fi
NODE_VERSION=$1

FILE=node-v$NODE_VERSION-linux-x64.tar.xz
URL=https://nodejs.org/dist/v$NODE_VERSION/$FILE

cd /tmp
wget $URL

cd /usr/local
tar --strip-components 1 -xf /tmp/$FILE > /dev/null
rm /tmp/$FILE

echo "CURRENT NODE VERSION"
node -v

npm i -g npm@latest > /dev/null
echo "CURRENT NPM VERSION"
npm -v