Hi,
I don't remember what was the answer for my last message with this
subject. So I decided to submit you the hint project attached. Don't
hesitate to review it as it's a translation into English. If you accept
it, I'll put online the French release after the English one release.
Please tell me if you Refuse it and why.
Best regards,
--
Jean-Philippe MENGUAL
Président de l'association traduc.org
Coordinateur du projet Linux From Scratch
Coordinateur au sein du projet Trad GNU de l'April
Animateur suppléant du groupe de travail Accessibilité de l'April
AUTHOR : Denis Mugnier <myou72 at orange point fr>
DATE : 2012-15-06
LICENSE : Creative Commons Attribution-Share Alike 3.0
(http://creativecommons.org/licenses/by-sa/3.0/)
SYNOPSIS : Installation of syslinux instead of grub
DESCRIPTION :
Syslinux is a slight and fast bootloader.
PRE-REQUISITIES :
A working LFS (tested with a LFS 7.0). Maybe it is better to have a LFS with
GRUB
installed, which can already boot.
nasm (see BLFS)
python (see BLFS : python 2.7)
HINT:
The purpose of this hint is to replace GRUB, in a working LFS, or install
Syslinux
in a LFS you are building
ATTENTION : the twicks of this hint will install a bootloader; thiese twicks
are potentially dangerous for your system. If there is a problem, the system may
not boot anymore.
Step 1 : Downloading the source and untar them
You can download the source at:
http://www.kernel.org/pub/linux/utils/boot/syslinux/syslinux-4.05.tar.xz
Next, you need to untar them
tar -xf syslinux-4.05.tar.xz
The source also contain the binaries of the files. If desired, it is possible to
skip to the step of the installation.
Step 2 : Compilation
The compilation is quite simple:
make
Nota: the compilation needs nasm and python to be installed (see BLFS for their
installation)
Step 3 : installation of the binaries
Using the following command:
make install
The "syslinux" installers are now installed on your LFS
Step 4 : Booting with Syslinux
Here is the interesting part of the hint. Note that this hint only deals with
using extlinux, which enables a system to boot from an ext2, ext3 or ext4
partition. It is possible to use syslinux to boot from a CD, a FAT disk, etc...
For more information about the other methods, see the official website
(www.syslinux.org)
You need to create a directory to install the bootloader
mkdir /boot/extlinux
then use extlinux to install the bootloader
extlinux --install /boot/extlinux
Step 5 : Configuring
The configuration will be in a /boot/extlinux/syslinux.conf file
In its shortest aspect, this file will contain:
DEFAULT lfs
LABEL lfs
KERNEL /boot/vmlinuz.img
APPEND ro root=/dev/xxx
vmlinuz.img : kernel image, or some symlink to the kernel image
/dev/xxx : partition which contains your system
For more information about the configuration file, I suggest you to see
the documentation. It is possible to have a menu and choose what system you
would
like to boot, boot in PXE, display a file, ...
You need to check that your partition is configured properly to boot (with the
boot flag)
To set this flag:
fdisk /dev/yyy (with yyy the disk name e.g. sda, sdb, etc)
then, choice a
then give the partition number which should have the Boot flag.
Press w to save
For example, to set the /dev/sda1 partition with the boot flag:
fdisk /dev/sda
Command (m for help): a
Partition number (1-4): 1
Command (m for help): w
Then, you need to set the mbr (it will replace the grub installation if it has
already been installed)
In the source tree, change to the mbr directory
then run the command
cat mbr > /dev/yyy (with yyy the boot disk name, e.g. sda, sdb ...)
Step 6 : test
Now the installation is completed, the system must be rebooted to check that
syslinux works properly.
ATTENTION : You should create a rescue boot media for your system. If
syslinux has a problem, your system will not reboot. You should have a
liveCD, to rescue if you have a problem.
Normally, with the minimal configuration file created above, your computer
should
start directly on the LFS kernel.
Syslinux is installed.
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