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Fwd: Re: initrd-[kernal#].img ???



Thanks for the help Steve ...


--- Steven Pritchard <steve@silug.org> wrote:
> From: Steven Pritchard <steve@silug.org>
> Subject: Re: initrd-[kernal#].img ???
> To: jburke@burkepoirier.com
> Date: Tue, 3 Apr 2001 22:34:41 -0500 (CDT)
> 
> James L. Burke said:
> > Truth is i don't think I have the spare brain power left to absorb
> the
> > dark are of kernal hacking ... all I want to do is update to the
> latest
> > RedHat kernal/errata for 7.0.
> 
> This should do it:
> 
>     rpm -ivh kernel-2.2.17-14.i386.rpm # or i586 or i686
>     cd /boot
>     for file in vmlinuz System.map ; do
>         ln -sf $file-2.2.17-14 $file
>     done
>     mkinitrd /boot/initrd-2.2.17-14.img 2.2.17-14
> 
> Then just edit /etc/lilo.conf appropriately to add the new kernel,
> run
> lilo, and reboot.
> 
> > i then went to /etc/lilo.conf to add a section for my updated
> kernal
> > and I notice the following line in the section relating to my "old"
> > kernal:
> > 
> > initrd=/boot/initrd-2.2.16-22.img
> > 
> > what is the initrd-2.2.16-22.img file?
> 
> "initrd" is short for "initial ramdisk".  Basically, the trick to not
> needing every driver necessary to boot actually compiled into the
> kernel is to boot with an initrd which contains the necessary modules
> and enough of a filesystem to boot.  The initrd boot script loads the
> modules, then switches to the real root filesystem.
> 
> > do I need an initrd-2.2.17-14.img?
> 
> Only if you are booting off of something other than IDE.
> 
> I hope that helps...
> 
> Steve
> -- 
> steve@silug.org           | Southern Illinois Linux Users Group
> (618)398-7320             | See web site for meeting details.
> Steven Pritchard          | http://www.silug.org/
> 
> 


=====


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