ubuntu 安装node.js 最新版本

sudo apt-get update
sudo apt-get install -y python-software-properties python g++ make
sudo add-apt-repository -y ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs

It installs current stable Node on the current stable Ubuntu

https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager