Patchwork [14/14] netconsole.txt: revision of examples for the receiver of kernel messages

mail settings
Submitter Amerigo Wang
Date Aug. 9, 2012, 3 p.m.
Message ID <>
Download mbox | patch
Permalink /patch/176156/
State Changes Requested
Delegated to: David Miller
Headers show


Amerigo Wang - Aug. 9, 2012, 3 p.m.
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
-The remote host can run either 'netcat -u -l -p <port>',
-'nc -l -u <port>' 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 <port>' / 'nc -u -l <port>' or
+   'netcat -u -l -p <port>' / 'netcat -u -l <port>'
+3) socat
+   'socat udp-recv:<port> -'
 Dynamic reconfiguration: