dlang website design

[Wulfklaue via Digitalmars-d]

On Saturday, 24 June 2017 at 23:00:59 UTC, Timon Gehr wrote:
> $ dub main.d
> Failed to listen on :::80
> Failed to listen on 0.0.0.0:80
> object.Exception at ../../.dub/packages/vibe-d-0.7.31/vibe-d/source/vibe/http/server.d(1698): Failed to listen for incoming HTTP connections on any of the supplied interfaces.
> ----------------

You probably already have a server active on port 80. That is why 
it fails. You need to use a different port or temporary turn off 
the service that is using port 80 currently.