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2014 Apr 23
2
Bootloader data in /boot vs package systems (and atomic updates)
On Tue, Apr 22, 2014 at 8:16 PM, Gene Cumm <gene.cumm at gmail.com> wrote:
>
> I think you mean the VBR since no Syslinux variant lives in the MBR
> and on Linux,
Right, thanks.
> Does the installation of an updated package of GRUB2 trigger an
> installation of modules during install on Fedora
It used to, but no longer does. There's some background here:
2014 Apr 23
0
Bootloader data in /boot vs package systems (and atomic updates)
>
> > The alternative is an additional script that would run the installer
> > binary extlinux and copy *.c32 at the same time.
>
FWIW and just as one example, ArchLinux has its own script,
"syslinux-install_update -i -a -m".
-i : install SYSLINUX;
-a : mark partition as "active";
-m : install mbr boot code.
I have not checked whether currently the syslinux-install_update.sh
script supports UEFI (probably not).
https://gist.github.com/pyther/772138
Regards,
Ady.
2014 Apr 23
1
Bootloader data in /boot vs package systems (and atomic updates)
On Wed, Apr 23, 2014 at 4:49 PM, Ady <ady-sf at hotmail.com> wrote:
>
> FWIW and just as one example, ArchLinux has its own script
Looks like the canonical source is here:
https://projects.archlinux.org/svntogit/packages.git/tree/trunk/syslinux-install_update?h=packages/syslinux
Right. Hmm. The painful thing will be transitioning the existing
package, as it would obviously break everything if the updated RPM just
removed the extant files from /boot.
I'm debating a bit whether or not this is worthwhile to do, or if I
should just focus more...
2014 Jan 22
1
syslinux and btrfs-formatted dos/MBR partition
...he Microsoft MBR and chainload
Linux from the Microsoft bootloader. However while trying to get my
btrfs setup to work, I backed up the Microsoft MBR (dd if=/dev/sda
bs=440 count=1 of=MBRbackup.bin) and I installed the syslinux MBR. I
tried several ways:
- with the script provided by Arch: syslinux-install_update -i -a -m
- manual method with mbr.bin (first setting the boot flag on
/dev/sda3): dd if=/usr/lib/syslinux/bios/mbr.bin bs=440 count=1
of=/dev/sda
- manual method with altmbr.bin: printf '\x3' | cat
/usr/lib/syslinux/bios/altmbr.bin - | dd bs=440 count=1
iflag=fullblock conv=notrunc of=/d...
2014 Jan 21
2
syslinux and btrfs-formatted dos/MBR partition
Hello Gene, thanks for your reply.
Yes BIOS mode. The config wants a menu, which loads fine under ext4
and not under btrfs. Under btrfs I have also tried to remove the
syslinux.cfg file altogether (which should trigger the boot: prompt if
I am not mistaken) and the result is the same: only the copyright line
appears and no prompt.
The three letter sequence is EDD.
The disk is 160GB, here is the