[vox-tech] How to recompile kernel

[Ehrhart, Jay]

Thank you for all the help.  To make it simple, I just backed up my data and
reinstalled Red Hat.  This was easy to do since Linux has become so easy and
quick to install.
I have replaced 5 of my Windows NT servers with 3 Red Hat Linux servers,
(Same boxes with Linux installed).  I now have severs that are more reliable
and I don't have to reboot them every 3 weeks.  I am still new to Linux.
Most of what I have learned was from the installfests and the club meetings
and this list.

Thanks 


		-----Original Message-----
		From:	Shawn P. Neugebauer [mailto:spn@ucdavis.edu]
		Sent:	Friday, April 26, 2002 12:45 PM
		To:	vox-tech@lists.lugod.org
		Subject:	Re: [vox-tech] How to recompile kernel

		On Friday 26 April 2002 11:58 am, you wrote:
		> I have Red Hat 7.2 on a server.  When I installed Red Hat
I said no to the
		> firewall option.  Now that the box is up and running I am
trying to install
		> ipchains.  However the kernel is not compiled for
ipchains.  How do I
		> recompile the kernel and add ipchains without reloading
the box?

		i doubt you need to recompile the kernel.  if you are using
a
		non-enterprise/server edition of RH, ipchains is compiled as
a kernel
		module.  i really can't remember the last time i needed to
re-compile
		a RH kernel to get a non-esoteric piece of functionality
working.

		three things come to mind:
		1) read the ipchains HOWTO.
		2) edit /etc/sysconfig/ipchains to your liking.  this will
be time-consuming,
		  so i suggest you look hard for sample firewall
configurations to get you
		  jump-started.
		3) "chkconfig --add ipchains" will add ipchains to the
start-up sequence.
		  w/o rebooting, you can use "service ipchains start" to
start it, and it
		  will take care of loading the kernel module and starting
ipchains w/the
		  rules you configured.

		shawn.
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