[OLPC-AU] /versions directory

[Sridhar Dhanapalan]

On 30 August 2010 13:45, James Cameron <quozl at laptop.org> wrote:
> On Mon, Aug 30, 2010 at 01:14:58PM +1000, Sridhar Dhanapalan wrote:
>> I noticed that there's a /versions directory on the XOs. What's it
>> for,
>
> It is to support olpc-update, and contains a pristine copy of the
> installed build from which olpc-update may work from, and from which the
> system may be booted after an olpc-update, using the game key sequence,
> to use the previous build.

Looking at http://wiki.laptop.org/go/Cheat_codes I think you're
referring to holding down the 'O' game button when turning on the XO.
Is that correct?

>> and can we use this for recovery purposes?
>
> Yes, you could restore the operating system thus undoing any changes
> made to it.  This would not undo changes made to /home/olpc however.

Which could actually be a good thing, as it keeps the Journal intact.


Sridhar Dhanapalan
Technical Manager
One Laptop per Child (OLPC) Australia
p: +61 425 239 701
w: http://laptop.org.au