Netconsole - Revision history

Sbarthel at 18:52, 22 February 2010

2010-02-22T18:52:11Z

← Older revision		Revision as of 11:52, 22 February 2010
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			<small>''(Updated: Nov 2009)''</small>

	''Netconsole'' supports kernel-level network logging over UDP. A system request (''SysRq'') allows users to collect relevant data through ''netconsole''.		''Netconsole'' supports kernel-level network logging over UDP. A system request (''SysRq'') allows users to collect relevant data through ''netconsole''.

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	'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3].		'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3].

	~~''(Updated 11/09)''~~

Docadmin at 21:21, 18 February 2010

2010-02-18T21:21:04Z

← Older revision		Revision as of 14:21, 18 February 2010
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	'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3].		'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3].

			''(Updated 11/09)''

Docadmin: Protected "Netconsole" ([edit=sysop] (indefinite) [move=sysop] (indefinite))

2009-12-16T19:35:40Z

Protected "Netconsole" ([edit=sysop] (indefinite) [move=sysop] (indefinite))

← Older revision	Revision as of 12:35, 16 December 2009
(No difference)

Docadmin at 18:05, 19 November 2009

2009-11-19T18:05:05Z

← Older revision		Revision as of 11:05, 19 November 2009
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	Examples:		Examples:

	linux netconsole=4444~~[AT]~~10.0.0.1/eth1,9353@10.0.0~~[DOT]~~2/12:34:56:78:9a:bc		linux netconsole=4444@10.0.0.1/eth1,9353@10.0.0.2/12:34:56:78:9a:bc

	or		or

	insmod netconsole netconsole=~~[AT]~~/,@10.0.0~~[DOT]~~2/		insmod netconsole netconsole=4444@10.0.0.1/eth1,9353@10.0.0.2/12:34:56:78:9a:bc

	2. Boot the ''netconsole'' machine.		2. Boot the ''netconsole'' machine.

Docadmin at 18:00, 19 November 2009

2009-11-19T18:00:38Z

← Older revision		Revision as of 11:00, 19 November 2009
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	To configure ''conman'' over ''netconsole'', complete the following steps.		To configure ''conman'' over ''netconsole'', complete the following steps.

	1. Download ''conman'' from [http://~~downloads~~.~~lustre~~.org~~/public/tools~~/conman/ http://~~downloads~~.~~lustre~~.org~~/public/tools~~/conman/] ~~'''[[This is dated 2006. Is there a more recent location?]]'''~~		1. Download ''conman'' from [http://home.gna.org/conman/ http://home.gna.org/conman/]

	2. Edit ''/etc/conman.conf'' to set the ''SERVER logdir'', ''SERVER logfile'', and ''SERVER port''.		2. Edit ''/etc/conman.conf'' to set the ''SERVER logdir'', ''SERVER logfile'', and ''SERVER port''.
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	conman -d conmand_server_ip:conmand_server_port NETCONSOLEx		conman -d conmand_server_ip:conmand_server_port NETCONSOLEx

	4. ~~[[Input sysrq command (& + S + sysrq_command) over~~ conman netconsole, ~~you will get~~ the ~~result in conman netconsole.]]~~ '''~~[[OK to replace this with~~ the ~~following?]]~~''' ~~To see results in the conman netconsole~~, ~~enter~~ the ''sysrq'' command ~~<& + S _ sysrq>~~.		6. To see results in the ''conman'' netconsole, enter the ''sysrq'' command inside the ''conman'' console (enter "&", then "S", and then the ''sysrq'' command).

	'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3] ~~'''[[This is dated 2001. Should we point to a more recent reference?]]'''~~.		'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3].

Docadmin at 21:07, 18 November 2009

2009-11-18T21:07:10Z

← Older revision		Revision as of 14:07, 18 November 2009
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	2. Boot the ''netconsole'' machine.		2. Boot the ''netconsole'' machine.


	To configure ''conman'' over ''netconsole'', complete the following steps.		To configure ''conman'' over ''netconsole'', complete the following steps.

Docadmin at 21:06, 18 November 2009

2009-11-18T21:06:18Z

← Older revision		Revision as of 14:06, 18 November 2009
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	''Netconsole'' supports kernel-level network logging over UDP. ~~sysrq input~~ allows users to collect relevant data through ''netconsole''.		''Netconsole'' supports kernel-level network logging over UDP. A system request (''SysRq'') allows users to collect relevant data through ''netconsole''.

	To configure ''netconsole'' on the 2.6 kernel, complete the following steps.		To configure ''netconsole'' on the 2.6 kernel, complete the following steps.

Docadmin at 21:04, 18 November 2009

2009-11-18T21:04:37Z

← Older revision		Revision as of 14:04, 18 November 2009
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	:{\|		:{\|
	\|src-port\|\|~~source~~ for UDP packets (defaults to 6665)		\|src-port\|\|Source for UDP packets (defaults to 6665)
	\|-		\|-
	\|src-ip\|\|~~source~~ IP to use (interface address)		\|src-ip\|\|Source IP to use (interface address)
	\|-		\|-
	\|dev\|\|~~network~~ interface (eth0)		\|dev\|\|Network interface (eth0)
	\|-		\|-
	\|tgt-port\|\|~~port~~ for logging agent (6666)		\|tgt-port\|\|Port for logging agent (6666)
	\|-		\|-
	\|tgt-ip\|\|IP address for logging agent		\|tgt-ip\|\|IP address for logging agent
	\|-		\|-
	\|tgt-macaddr\|\|~~ethernet~~ MAC address for logging agent (broadcast)		\|tgt-macaddr\|\|Ethernet MAC address for logging agent (broadcast)
	\|}		\|}

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	insmod netconsole netconsole=[AT]/,@10.0.0[DOT]2/		insmod netconsole netconsole=[AT]/,@10.0.0[DOT]2/

	2. Boot the netconsole machine.		2. Boot the ''netconsole'' machine.

	To configure conman over netconsole, complete the following steps.		To configure ''conman'' over ''netconsole'', complete the following steps.
	~~''Italic text''~~
	1. Download ''conman'' from [http://downloads.lustre.org/public/tools/conman/ http://downloads.lustre.org/public/tools/conman/] [[This is dated 2006]]		1. Download ''conman'' from [http://downloads.lustre.org/public/tools/conman/ http://downloads.lustre.org/public/tools/conman/] '''[[This is dated 2006. Is there a more recent location?]]'''

	2. Edit ''/etc/conman.conf'' to set the ''SERVER logdir'', ''SERVER logfile'', and ''SERVER port''.		2. Edit ''/etc/conman.conf'' to set the ''SERVER logdir'', ''SERVER logfile'', and ''SERVER port''.
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	conman -d conmand_server_ip:conmand_server_port NETCONSOLEx		conman -d conmand_server_ip:conmand_server_port NETCONSOLEx

	4. Input sysrq command (& + S + sysrq_command) over conman netconsole, you will get the result in conman netconsole. [[OK to replace with ~~something like~~ the following?]] To see results in the conman netconsole, enter the ''sysrq'' command <& + S _ sysrq>.		4. [[Input sysrq command (& + S + sysrq_command) over conman netconsole, you will get the result in conman netconsole.]] '''[[OK to replace this with the following?]]''' To see results in the conman netconsole, enter the ''sysrq'' command <& + S _ sysrq>.

	'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3] [[This is dated 2001]].		'''''Note:''''' A ''netconsole patch'' is available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [http://lwn.net/2001/0927/a/netconsole.php3 http://lwn.net/2001/0927/a/netconsole.php3] '''[[This is dated 2001. Should we point to a more recent reference?]]'''.

Docadmin at 20:58, 18 November 2009

2009-11-18T20:58:33Z

@@ Line 5: / Line 5: @@
 . Add the following line to your boot command:
   netconsole=[src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]
 . Boot the netconsole machine.

Docadmin at 21:49, 16 November 2009

2009-11-16T21:49:23Z

← Older revision		Revision as of 14:49, 16 November 2009
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	''~~netconsole~~'' supports kernel-level network logging over UDP. sysrq input allows users to collect relevant data through ''netconsole''.		''Netconsole'' supports kernel-level network logging over UDP. sysrq input allows users to collect relevant data through ''netconsole''.

	To configure ''netconsole'' on the 2.6 kernel, complete the following steps.		To configure ''netconsole'' on the 2.6 kernel, complete the following steps.