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docs/manual/beyond-buildroot: building and testing live-CDs

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[Thomas: reworked a bit the phrasing, plus mention that Grub 2 is
supported.]

Signed-off-by: Noé Rubinstein <nrubinstein@aldebaran.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Noé Rubinstein 2015-01-19 20:52:57 +01:00 committed by Thomas Petazzoni
parent 97b494b0d3
commit 618346836e
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docs/manual/beyond-buildroot.txt
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@ -21,6 +21,35 @@ Remember to add this path to +/etc/exports+.
Then, you can execute a NFS-boot from your target.
==== Live CD
To build a live CD image, enable the _iso image_ option in the
_Filesystem images_ menu. Note that this option is only available on
the x86 and x86-64 architectures, and if you are building your kernel
with Buildroot.
You can build a live CD image with either IsoLinux, Grub or Grub 2 as
a bootloader, but only Isolinux supports making this image usable both
as a live CD and live USB (through the _Build hybrid image_ option).
You can test your live CD image using QEMU:
-------------------
qemu-system-i386 -cdrom output/images/rootfs.iso9660
-------------------
Or use it as a hard-drive image if it is an hybrid ISO:
-------------------
qemu-system-i386 -hda output/images/rootfs.iso9660
-------------------
It can be easily flashed to an USB drive with +dd+:
-------------------
dd if=output/images/rootfs.iso9660 of=/dev/sdb
-------------------
=== Chroot
If you want to chroot in a generated image, then there are few thing