echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
# This line does not work anymore as the script has moved to https://www.npmjs.com/install.sh 
# curl https://www.npmjs.org/install.sh | sh
curl https://www.npmjs.com/install.sh | sh # this works