acpid being only one of the tools usually there to interface with power management, I'm not really up-to-date what Ubuntu uses nowadays. And yes, as with a lot

acpid being only one of the tools usually there to interface with power management, I'm not really up-to-date what Ubuntu uses nowadays. And yes, as with a lot of hardware stuff you're going to end up in the kernel in the end, but without any management/supervision software (never mind drivers), you usually won't get a quiet and cool laptop. Try starting a barebones arch installation on one these days, without acpid, tlp etc.…