Re: Adding a kernel entry for grub (analogy to running lilo step?)

[Peter S Galbraith <GalbraithP@dfo-mpo.gc.ca>]

D-Man wrote:

> On Wed, May 23, 2001 at 10:22:10AM -0400, Peter S Galbraith wrote:
> | 
> | As a longtime LILO user, I'm a bit perplexed faced with the large
> | amount of docs concerning grub.  When I compiled a new kernel and
> 
> You found a large amount of docs?  Lucky you ;-).  I didn't think
> there was a whole lot of documentation (yet).

Well, there's a lot of stuff to decipher.  There should be a
top-level section called: "So your distribution installed grub
during installation and you want to know how to modify it?"

:-)
 
> | wanted LILO to know about it, I'd edit /etc/lilo.conf and run
> | lilo again to update the boot sector.
> | 
> | Since grub knows about filesystems, do I need to do a similar
> | update step?  Or do I simply edit /boot/grub/menu.lst and reboot?
> | 
> | I thought I'd ask before possibly rendering my system unbootable
> | and resorting to a rescue disk.
> 
> Here you get to experience the beauty of grub.  All you need to do is
> edit /boot/grub/menu.lst.  When you reboot you will see the new entry
> in the menu.

Thanks.

> Now suppose you either (a) forgot to update the menu.lst file or (b)
> made a mistake when you updated it.  When you reboot simply enter the
> command line mode of grub and enter in the correct boot sequence
> commands.  You will then be able to boot and fix the menu.lst file.
> Alternatively you can enter the "edit entry" mode and interactively
> edit the entry and then run it.  This doesn't save your modifications
> in the menu.lst file, but it allows you to boot your system regardless
> of host the menu.lst was set up prior to boot.

I'll have to experiemnt with this.  Sounds pretty useful.

Thanks again,

Peter