インストール
sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemonFlakes
Flakes の初期化
mkdir -p ~/.config/nix
echo "experimental-features = nix-command flakes" > ~/.config/nix/nix.confsh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install) --daemonmkdir -p ~/.config/nix
echo "experimental-features = nix-command flakes" > ~/.config/nix/nix.conf