Nokogiriインストール

MAG Ubuntu

www:mechanizeのアップデートに必要だったので

sudo apt-get install libxml2-dev 
sudo apt-get install libxslt1-dev
sudo gem install nokogiri

sudo gem update

Updating installed gems
Updating httparty
When you HTTParty, you must party hard!
Successfully installed httparty-0.2.2
Updating mechanize
Successfully installed mechanize-0.9.0
Gems updated: httparty, mechanize