Ubuntu 12.04 things

• How to add to launcher Chrome in incognito mode:

http://askubuntu.com/questions/159630/how-do-i-make-google-chrome-open-incognito-by-default-in-12-04

• Configure Ubuntu inside Virtualbox. Install virtualbox-guest-additions

http://askubuntu.com/questions/155947/virtualbox-guest-additions-wont-install-on-ubuntu-server-12-04