Re: [Devil-linux-develop] remote update

[Heiko Z. <he...@zu...>]

> hzu...@ra... wrote on 09.02.2004 19:54 MET:
>> 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.
>
> Then direct after the upgrade a reboot has to be forced to activate the
> new
> initrd, I think. Or would you give the initrd's a version number so you
> can
> distinguish if a forced reboot is needed or not?

Hmmm.....
I think we should force a boot whenever we updated the initrd.
This would be the easy way. ;-)

-- 

Regards
  Heiko Zuerker
  http://www.devil-linux.org