svn commit: r279603 - in head: bin/rcp usr.bin/rlogin usr.bin/rsh

[Slawa Olhovchenkov]

On Thu, Mar 05, 2015 at 01:06:44PM +0000, David Chisnall wrote:

> 
> > On 5 Mar 2015, at 12:42, Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:
> > 
> >> netcat - nc(1) - which can also work in the other direction and is designed specifically for this purpose.
> > 
> > nc(1) don't correctly work.
> 
> It works for me for everything that I used to use telnet for
> (connection testing, checking plain-text protocols, although
> increasingly I have to use openssl s_client because few things speak
> TCP without SSL), what cases does it not work for you?

In previos message -- silently return when telnet speak about used IP
address and diagnostic messages. One simple command do many diagnostic
information.

> > nc don't work with unix socket.
> 
> Okay, now you're changing your requirements - you first spoke of
> remote equipment and network testing.  However, UNIX domain sockets
> appear as files in the filesystem, and we have a host of utilities
> that are capable of interacting with files (unless they're
> message-oriented, but then telnet doesn't help either).

I am know only about telnet can connect to unix socket.

> >>> How to connect to mpd control socket?!
> >> 
> >> mpdcon from the command line, MPDroid from my mobile, or nc if you're a masochist.
> > 
> > MPDroid?! wut? Or you just don't know about mpd?
> 
> The one that I'm familiar with is the music player daemon.  The other common use of the initalism is multiple personality disorder.  If you mean something else, then you should probably say what it is, rather than rely on other people understanding some obscure term (hint: you're not doing yourself any favours in justifying that this is a widespread requirement if people reading your post can't even tell what the requirement is).  

> If you meant the mpd5 package then... well, if you're installing one thing from packages then installing another is not really likely to be an issue.  

yes, mpd5. package can be already installed (time ago).
and now connection broken.
for diagnostic i am use telnet to mpd5 control socket.

> Anyway, from your follow up to Gleb, it seems that your requirement
> is a network testing tool for computers that are not connected to a
> network?  That seems like a sufficiently niche use that you don't
> need to have things in the base system.

Why not? And why before this is will be ok?