On 2/21/24 15:09, Christoph Heiss wrote:
While looking at this and reading the `dmidecode` manpage a bit, it
looks like everything collected here is also available under
/sys/devices/virtual/dmi/id as separate files, e.g.
# ls /sys/devices/virtual/dmi/id/
bios_date chassis_asset_tag product_name
bios_release chassis_serial product_serial
bios_vendor chassis_type product_sku
bios_version chassis_vendor product_uuid
board_asset_tag chassis_version product_version
board_name ec_firmware_release subsystem
board_serial modalias sys_vendor
board_vendor power uevent
board_version product_family
Most of these file are even world-readable, just some (e.g. *_serial)
need root to read. So it could be a simple list of filenames to read
from there.
So that could be a nice alternative to calling and parsing the
`dmidecode` output. The names of the files would also serve as good keys
for matching. Maybe you already considered it? Just wanted to throw this
in there.
Not everything seems to be available there, e.g. "Boot-up State", "Power
Supply State" and "Thermal State", but at least everything which is
interesting to identify machines uniquely seems to be there.
I did not check where dmidecode gets the info from. Thanks! This sounds even
more suitable and easier to implement :)
And AFAICT that should be all that is interesting to identify a system.
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