
We use `127.0.1.1` instead of `127.0.0.1` because some applications will fail if `127.0.0.1` resolves to something other than `localhost`. Debian does the same. See #1248 and #36261.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.