On 4 March 2015 at 21:43, Scott Ferguson <scott.ferguson.clug at gmail.com> wrote: > A live CD is better - *if* kept updated. An OS installed to a USB Key is > (possibly?) not quite as secure as a Live CD, but is easier to keep updated. > What about an SD card that you enable as writable only to do updates with that big hardware switch on the side of it?