Just be aware that dmidecode output varies considerably in quality and
quantity. You may found the info you need in fixed locations, but it
may also vary over time and vendor. Use it when it works, but don't be
surprised if it doesn't work as well as you would hope.
sure. dmidecode only shows you what's been programmed into the bios.
HP nodes (perhaps just replacement motherboards) seem to come with
nulled serial numbers in bios. I had a good head-scratch the other day
with a replaced MB that didn't have the default IPMI account/passwords.
happily, I could use the trick of booting it and running local ipmitool.
come to think of it, before I knew about dmidecode, I used to run
strings on /dev/mem ;)
but one could probably glean other data by collecting POST messages on SOL.
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