How to Install nodejs on ubuntu 13.04

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

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

error prohibited this {{model}} from being saved There were problems with the following fields: {{attribute}} {{message}

solution: sudo gem uninstall i18n
sudo gem install i18n -v 0.4.2


references:https://github.com/binarylogic/authlogic_example

ERROR: 'rake/rdoctask' is obsolete and no longer supported. Use 'rdoc/task' (available in RDoc 2.4.2+) instead.

Solution: switched to global gemset

then  gem i rake -v0.8.3

gem uninstall rake -v='10.0.4'

switched to application gemset
 rvm gemset use rails2

ERROR: Loading command: install (LoadError) no such file to load -- zlib ERROR: While executing gem ... (NameError) uninitialized constant Gem::Commands::InstallCommand

Solution : sudo apt-get install build-essential git-core zlib1g-dev libssl-dev libreadline5-dev

How to generate google access token

1. Visit Google OAuth Playground and input https://www.googleapis.com/auth/googletalk as the required scope. Press “Authorize API” and then “Allow Access” button on the redirected page

2. In step 2, simply press “Exchange authorize code for tokens” and copy the access token