From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: [PATCH 14/14] netconsole.txt: revision of examples for the receiver of kernel messages Date: Fri, 10 Aug 2012 15:10:37 +0800 Message-ID: <1344582637-18261-15-git-send-email-amwang@redhat.com> References: <1344582637-18261-1-git-send-email-amwang@redhat.com> Cc: Dirk Gouders , Cong Wang To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:18702 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755963Ab2HJHLg (ORCPT ); Fri, 10 Aug 2012 03:11:36 -0400 In-Reply-To: <1344582637-18261-1-git-send-email-amwang@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Dirk Gouders There are at least 4 implementations of netcat with the BSD-based being the only one that has to be used without the -p switch to specify the listening port. Jan Engelhardt suggested to add an example for socat(1). Signed-off-by: Dirk Gouders Signed-off-by: Cong Wang --- Documentation/networking/netconsole.txt | 19 +++++++++++++++++-- 1 files changed, 17 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/netconsole.txt b/Documentation/networking/netconsole.txt index 8d02207..2e9e0ae2 100644 --- a/Documentation/networking/netconsole.txt +++ b/Documentation/networking/netconsole.txt @@ -51,8 +51,23 @@ Built-in netconsole starts immediately after the TCP stack is initialized and attempts to bring up the supplied dev at the supplied address. -The remote host can run either 'netcat -u -l -p ', -'nc -l -u ' or syslogd. +The remote host has several options to receive the kernel messages, +for example: + +1) syslogd + +2) netcat + + On distributions using a BSD-based netcat version (e.g. Fedora, + openSUSE and Ubuntu) the listening port must be specified without + the -p switch: + + 'nc -u -l -p ' / 'nc -u -l ' or + 'netcat -u -l -p ' / 'netcat -u -l ' + +3) socat + + 'socat udp-recv: -' Dynamic reconfiguration: ======================== -- 1.7.7.6