linux-kernel - Re: [RFC PATCH] netconsole.txt: "nc" needs "-p" to specify the listening port

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Message-ID: <gihastk13u.fsf@mx10.gouders.net>
Date:	Fri, 27 Jul 2012 11:24:53 +0200
From:	Dirk Gouders <gouders@...bocholt.fh-gelsenkirchen.de>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] netconsole.txt: "nc" needs "-p" to specify the listening port

Cong Wang <xiyou.wangcong@...il.com> writes:

> On Fri, Jul 27, 2012 at 2:35 PM, Dirk Gouders
> <gouders@...bocholt.fh-gelsenkirchen.de> wrote:
>> Hi Jesse,
>>
>> I would like to ask you to check if the documentation of "nc" in
>> netconsole.txt is still correct.  I tried two different netcat packages
>> and both require "-p" to specify the listening port.  I am wondering if
>> that changed after the use of "nc" has been documented.
>
> On Fedora 16, `nc -u -l <port number>` works fine.

Thanks for checking that.

If the information I found is correct, Fedora uses OpenBSD's nc
codebase.  The two netcat packages I tested on a Gentoo system differ in
requiring the -p switch for the port specification.

Dirk
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