Re: [Devil-linux-develop] remote update

[Friedrich L. <fl...@fl...>]

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?

-- 
MfG / Regards
Friedrich Lobenstock
____________________________________________________________________
Friedrich Lobenstock                       Linux Services Lobenstock
URL: http://www.lsl.at/                         Email: fl...@fl...
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