one flake (ring) to rule all of my physical and virtual machines (other rings)
cd ~/project/dev/nazg
sudo nixos-rebuild switch --flake .#xkarna --impurecd ~/project/dev/nazg
nix flake update
sudo nixos-rebuild switch --flake .#xkarna --impure
nix store gc
nix store gc
nix store optimisecd ~/project/dev/nazg
home-manager switch --flake .#fiat --impurecd ~/project/dev/nazg
nix flake update
NIXPKGS_ACCEPT_ANDROID_SDK_LICENSE=1 home-manager switch --flake .#fiat --impure
nix store gc
nix store gc
nix store optimisecd ~/project/dev/nazg
nix-on-droid switch --flake .#a24cd ~/project/dev/nazg
nix flake update
nix-on-droid switch --flake .#a24
nix store gc
nix store gc
nix store optimise