Yesterday my computer suddenly powered down, without warning or going through the normal shutdown procedure.
I know it wasn't a powercut because everything else in the house stayed on. This is the first time it has happened, and it turned on again without a hitch (bar some fsck'ing).
My question is, where do I begin looking for a reason why. I appreciate it could be hardware, and was hoping someone could lead me in the direction of some logs, etc. that I could use to confirm that it isn't a problem in Ubuntu; or learn a little more about how it happened.