From: Ville Mattila <mulperi@...>
Date: 2001-02-20T17:55:46+09:00
Subject: [ruby-talk:11162] Re: TCPSocket.open() lasts 2 minutes (was: rwiki *hangs* in send())

Dave Thomas <Dave@PragmaticProgrammer.com> writes:

> wys@helbling.ch (Clemens Wyss) writes:
> 
> > wys@helbling.ch (Clemens Wyss) wrote in <Xns904DA13B7A4A5wyshelblingch@
> > 130.133.1.4>:
> > 
> > >My (easy) testscript looks like this: 
> > >  require 'socket'
> > >  soc = TCPSocket.open("localhost", 8470)
> > >  soc.close()
> > >
> > ...on the other hand "127.0.0.1" (instead of "localhost") finishes 
> > immediately.
> 
> It sounds like you system is trying to resolve 'localhost' using DNS,
> rather that the hosts file. What happens if you enter
> 
>    ping localhost
> 
> at the command line?
> 
> If this also takes a long time, check your file /etc/host.conf
> contains something like
> 
>   order hosts bind
> 

        Or /etc/nsswitch.conf something like
        hosts: files dns