Something I seldom see mentioned, but I use a lot, is Linux systems installed directly onto USB sticks (pendrives).
No, you can't install from these, but they are very useful for system recovery & maintenance.
There are 2 ways to do it.
[1] Use a diskless PC, or disconnect your hard disk.
This is fiddly.
SUSE has some info on how to do this:
(
Read more... )