Configure snapshot retention for zfs-auto-snapshot interactively
zfs_arc_[min|max] will be calculated by size sum of all zpools in 512 MB steps
Configure backup of /etc folder to new zfs dataset on rpool/pveconf
configure vm.swappiness interactively
Description
This script is designed to run on a fresh installed Proxmox server, configures pve-no-subscription repository, adjusts zfs_arc_cache and installs basic tools like zfs-auto-snapshot or ifupdown2