Disable systemd-logind service for Ubuntu server laptop:
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It is best to disable this service, since it will consume about 30%-35% CPU usage at all times and can cause temperatures to spike to around 60˚C.
Only issue when disabled it will create error messages when restarting but it is better still for reduced power and heat.

sudo systemctl stop systemd-logind.service
sudo systemctl mask systemd-logind.service

Sources:
http://192.168.0.29/Notes/Tech_Help/Linux_Repair/Linux_Settings_Changes/Disable%20ubuntu%20server%20auto%20sleep.txt
https://www.freedesktop.org/software/systemd/man/logind.conf.html
https://unix.stackexchange.com/questions/555280/how-to-disable-systemd-logind-from-watching-hardware-keys

Date: October 31st 2022