Re: bootloader customization (was: System Dorked -- Help...)
On Sun, 25 Oct 2015 13:52:06 -0400, Felix Miata <mrmazda@earthlink.net> wrote:
> David Baron composed on 2015-10-25 14:53 (UTC+0200):
>
> > I started with wheezy 64 bit install and grub2. Did not have any clue how
> > it worked but it did. When upgraded to Sid, added a kernel and wanted to
> > keep the older on around just-in-case, I had no idea how to do this with
> > Grub2 so I went back to Lilo. Lilo also makes it easy of have a systemd and
> > older-style init choice, the latter saved me recently.
>
> > Running afoul of having two 1 terra disks around could have been the
> > problem. I have no understanding of this business. I had no problem reading
> > and writing the partition I wanted to make root. Just could not do anything
> > in it, either chroot or on boot into the system which malfunctioned.
>
> > How do I make custom boot menus, kernel, init choices and such using the
> > Grub?
>
> There are numerous www howtos for customizing Grub2.
> http://ubuntuforums.org/showthread.php?t=1296225 amounts to one such.
>
> Customizing Grub Legacy is much simpler.
> http://www.gnu.org/software/grub/manual/legacy/grub.html#Installing-GRUB-natively
> explains setting it up simply.
>
> http://fm.no-ip.com/Share/Linux/menu.lst can serve as a menu.lst template
> based on how things work here. Note in its lower section there are special
> stanzas used only for network installations. I don't download many iso files.
> It's wasteful of bandwidth to download so much that will only be used at most
> once. There are no hard dependencies on configs elsewhere located when using
> Grub Legacy, but do note that Debian's Grub Legacy still cannot read EXT4
> filesystems at least as of Jessie, so its use should be limited accordingly
> either to systems on which EXT4 isn't present, or to needing access only to
> EXT3 or EXT2 or older supported filesystems. Grub Legacy in Mageia, Fedora
> and openSUSE have no such limitation. I use openSUSE's, as it has a nice
> gfxboot configuration that's simple enough to use and customize, and
> extremely friendly at boot time.
>
> Should you wish to try Grub Legacy, I'll be more than happy to assist.
I used GRUB Legacy (one of the 0.99~ releases) under Debian 7, and it worked
fine reading from ext4.
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