
This allows overriding the `server_name` attribute of virtual hosts. By doing so it is possible to have multiple virtualHost definitions that share the same `server_name`. This is useful in particular when you need a HTTP as well as a HTTPS virtualhost: same server_name, different port.
*** 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.