Need help to create netboot image for EL6 kernel


 
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Old 12-16-2010
Need help to create netboot image for EL6 kernel

We use netboot to boot our RedHat Linux kernels. We usually use mknbi tool to create netboot image from Red Hat Linux kernel. However, I can't get this to work with the new Red Hat EL6 kernel.

One online document I found seems to say mknbi should not be used for Linux 2.6 or newer kernels any more, and wraplinux must be used. I downloaded wraplinux. However, I can't get this to work either. I can't find a clear document online to tell me how to use wraplinux to create a netboot image. I don't know what went wrong here.

I have been looking into this for quite a while. Please help if you can.
 
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RHN_CHECK(8)							   Red Hat, Inc.						      RHN_CHECK(8)

NAME
rhn_check - Check for and execute queued actions on RHN. SYNOPSIS
rhn_check [options] DESCRIPTION
rhn_check is a client program that connects to Red Hat Network (or a Red Hat Network Satellite) and receives queued actions for this par- ticular system. After receiving the actions, rhn_check will then process them, and return the results to Red Hat Network. OPTIONS
-v, --verbose Increase the debugging output. --proxy=PROXY Specify an http proxy to use. --proxyUser=PROXYUSER Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword. --proxyPassword=PROXYPASSWORD Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser. --version Show the program's version number and exit. -h, --help Show a help message and exit. FILES
/etc/sysconfig/rhn/systemid The digital server ID for this machine if the system has been registered onto Red Hat Network. This file does not exist otherwise. /etc/sysconfig/rhn/up2date The common configuration file used by RHN client programs. SEE ALSO
rhn_register(8), rhnreg_ks(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5). AUTHORS
See the AUTHORS file included with this software. This manual page was written by James Bowes <jbowes@redhat.com> BUGS
Report bugs to <http://bugzilla.redhat.com>. COPYRIGHT
Copyright (C) 1999-2010 Red Hat, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. Linux 2010 August 30 RHN_CHECK(8)