Proxmox Power Savings / CPU Governor

https://tteck.github.io/Proxmox/#proxmox-ve-cpu-scaling-governor
https://community.home-assistant.io/t/psa-how-to-configure-proxmox-for-lower-power-usage/323731/27 

Proxmox ships with Performance Governor by default, and you may want to change it to save power.

bash -c "$(wget -qLO - https://github.com/tteck/Proxmox/raw/main/misc/scaling-governor.sh)"