Benefits: No bootloader (best security and speed) with a normal fallback bootloader and snapshots, etc. Purpose: Educational + security (paranoid level 😉). Caution: Backup your data! Keep a live USB nearby. Based on: Inspired by: Tested on: Single-boot setups and: default GRUB + Btrfs + encryption systemd-boot + F2FS + encryption (since GRUB fails with F2FS when disabling the shim lock) Since the GRUB setup keeps /boot inside /, there is no problem with limited space on/...