This video takes you through a step-by-step process to install CasaOS within an LXC container on Proxmox VE.
Useful commands:
sudo apt update # Fetches the list of available updates
sudo apt upgrade # Installs some updates; does not remove packages
sudo apt full-upgrade # Installs updates; may also remove some packages, if needed
sudo apt autoremove # Removes any old packages that are no longer needed
