> > On Tue, May 30, 2006 at 09:51:18PM +0200, Daniel
>> Baumann wrote:
> I'm open for your
>> suggestions...
>
> I was thinking, I am a bit cold about having a
> persistent home directory on my usb stick. I'd like to
> have a more low-tech backup/restore script a-la
> Damnsmalllinux, but I can't use that one as the
> licence is not clear.
>
> I was thinking of BACKUP2L:
> http://packages.debian.org/unstable/admin/backup2l
>
> We could build upon that and customize it for a live
> distro. What do you think?
>
> Ottavio Caruso
Hi
I like the ability to use multiple persistent configurations.
I'm using it with makeliveusbcd, a Debian Live like project but with
install to hd or usb devices in mind, nevertheless i think the idea could
help Debian Live project.
In usb, parted creates FAT16 and ext2 partitions, booting with syslinux
with dirconf=name_of_configuration parameter allows to especify diferent
persistent configurations.
The relevant code:
In initrd init:
# Parse command line options
export dirconf=
dirconf=*)
dirconf=${x#dirconf=}
;;
Searching local image, there is a .flag file in ext2 partition.
test="${dirconf}"
if [ "$test" != "" ]; then
for sd in sda2 sdb2 sdc2 sdd2 sde2 sdf2 sdg2 sdh2 sdi2 sdj2 sdk2 sdl2; do
mount -t ext2 -o rw /dev/$sd /mnt/changes >> /tmp/initramfs.debug
2>&1
if [ -e /mnt/changes/.flag ]; then
mkdir -p /mnt/changes/${dirconf} >> /tmp/initramfs.debug 2>&1
break
else
umount /mnt/changes >> /tmp/initramfs.debug 2>&1
fi
done
fi
Inside mountroot():
# Mount root
unionfs=${rootmnt}
changes=/mnt/changes
mkdir -p ${changes}
if [ -n ${dirconf} ]; then
changesdir=/mnt/changes/${dirconf}
mkdir -p ${changesdir}
fi
image=/mnt/image
dirs=${unionfs}/.dirs
if [ -n ${dirconf} ]; then
mount -t unionfs -o dirs=${changesdir}=rw:${image}=ro unionfs ${unionfs}
else
mount -t unionfs -o dirs=${changes}=rw:${image}=ro unionfs ${unionfs}
fi
You could take a closer look at svn.
svn checkout http://makelive.googlecode.com/svn/trunk/ makelive
makedeb generates a deb for arch detected.
By now works on i386 and amd64, Debian unstable.
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