Re: [Devil-linux-develop] remote update

[<hzu...@ra...>]

On 02/09/2004 03:12:42 AM Friedrich Lobenstock wrote:
>Heiko Zuerker wrote on 09.02.2004 02:20 MET:
>> Friedrich Lobenstock wrote:
>>
>>> It has to be done in the initrd anyway and you are not changing those
>>> libraries when doing the update. And yes this might be a problem of
>>> its own, we can not change the initrd anymore. Hmmmmm.....then initrd
>>> needs some fixed parts (does not change across stable version) which
>>> loads the varibale ones, taking into account to update those if an
>>> "update CD" exists. Then the rest of the system is updated. Now this
>>> might also be a good idea to include the update script _from_ CD.
>This
>>> way we can provide for a more complicated if we did not think about a
>>> specific update problem later and as this script is tamper proof (on
>>> CD!) it can check all the signatures against a provided signature
>file
>>> (is that really needed?).
>>
>>
>> Since all update functions are on the CD anyway (pre_init script), the
>> existance of this script would be the only requirement.
>>
>> This would be the procedure:
>> 1. initrd loads
>> 2. initrd replaces bootcd.iso with bootcd.iso.new (after verifying it)
>> 3. initrd continues as usual
>> 4. pre_init sees the CD version is different to the config version and
>> performs an update (interactive part already implemented).
>
>What do you do if initrd has to be updated?

I would suggest that the pre_init script takes care of this. The correct
initrd.gz is on the ISO image and just needs to be copied over onto the usb
stick or whatever is used.

Heiko