nodejs-install.sh

#!/bin/bash
#
# modified from : https://github.com/taaem/nodejs-linux-installer/releases/download/v0.3/node-install.sh
#

echo "-------------- RUN -------------------"
echo " curl https://gist.githubusercontent.com/alex-alex2006hw/d2a94a53c62fa29afd2f/raw/7a49799320508a1b75c885ac088a4a754e9352d3/nodejs-install.sh | /bin/bash"
echo "--------------------------------------"

echo "Node Linux Installer by www.github.com/taaem modified by www.github.com/alex2006hw"
echo "Need Root for installing NodeJS"
sudo sh -c 'echo "Root access Verified."'

CVER="$(ls -l /usr/local| grep 'node' | grep -v nodejs | awk '{ print $9 }').tar.gz"

echo "Get Latest Version Number..."
{
wget --output-document=node-updater.html https://nodejs.org/dist/latest/

ARCH=$(uname -m)

if [ $ARCH = x86_64 ]
then
        grep -o '>node-v.*-linux-x64.tar.gz' node-updater.html > node-cache.txt 2>&1

        VER=$(grep -o 'node-v.*-linux-x64.tar.gz' node-cache.txt)
else
        grep -o '>node-v.*-linux-x86.tar.gz' node-updater.html > node-cache.txt 2>&1

        VER=$(grep -o 'node-v.*-linux-x86.tar.gz' node-cache.txt)
fi
rm ./node-cache.txt
rm ./node-updater.html
} &> /dev/null


if [ $CVER == $VER ]
then
   echo "Current installed is latest version : $VER"
   exit 1
fi

echo "Removing other versions of nodejs"
sudo sh -c "(/bin/rm -rf /usr/local/node*)"
echo "Installing latest version: $VER"

DIR=$( cd /tmp && pwd )

echo "Downloading latest stable Version $VER..."
{
wget https://nodejs.org/dist/latest/$VER -O $DIR/$VER
} &> /dev/null

echo "Installing $VER to /usr/local/$VER"

cd /usr/local && sudo tar -xzf $DIR/$VER
sudo sh -c "(cd /usr/local;chown -R root: node*;ln -s /usr/local/node* /usr/local/nodejs)"

rm $DIR/$VER

echo "Finished installing!"
echo "make sure you added this to ~/.profile : export PATH=/usr/local/nodejs/bin:$PATH"