title: Ubuntu on USB flash drive
body: <p>I would like to have a portable Ruby on Rails development env running on Linux.
  so I could work in parallel to my Windows related activities.</p>
  
  <p>I'm looking for reliable USB flash driver.
  what size should I look for?</p>
  
  <p>Are there any recommendations?</p>
  
  <p>Did anyone manage to achieve such things?</p>