“Like all pieces of electronic equipment, computers have a
tendency to malfunction and break; if you have never experienced
kernel core dumps or unexpected crashes, consider yourself
lucky.“A GNU/Linux live CD distribution can come handy for hardware
diagnostics. For this purpose, my favorite live CD distribution is
GRML, which bundles the tools we’re about to discuss, along with
some other useful programs for both home users and veteran system
administrators. Other distributions also include some or all of
these tools…”