debootstrapping multidistributions

[mamadou diop]

Hi Michael,

Because of the sources.list file which only points to a Debian release at a
given time, it seems to me
that it is impossible to install simultaneously Debian clients with
differents releases. Is my opinion true?

2010/11/16 Fredrik Eriksson <fredrik.eriksson at axis.com>

>  Mathieu Alorent wrote:
>
>> Hi,
>>
>> Le samedi 13 novembre 2010 à 12:24 +0100, Michael Tautschnig a écrit :
>>
>>
>>> I'm also thinking that possibly the basefiles.tgz could be built
>>>> later, after more packages are installed, which would make an even
>>>> faster FAI bootstrap install.  Maybe this will work only if the
>>>> hardware is identical?
>>>>
>>>>
>>>>
>>> I was hoping that someone else with more experience of using different
>>> basefiles
>>> would reply - seems like nobody has done so thus far. basefiles in a
>>> way are
>>> like disk images: It makes installation really fast, but you'll have
>>> to update
>>> them regularly and system-specific stuff cannot be incorporated. I'd
>>> therefore
>>> guess, yess, that a larger basefile makes bootstrapping faster.
>>>
>>
>> I've done something like that. My basefiles are regenerated every two
>> weeks. I've wrote a scratchy script that install CLASSES common packages
>> in the basefile.
>>
>> This has really speeded up the install process! ~100sec per
>> installation.
>>
>>
> I'm fairly new to FAI, started working with it two weeks ago, but I was
> looking for a similar solution to our setup here since an old basefile
> stalls the installation since FAI updates all the packages at the
> installing client (where the basefile is unarchived).
> I, however, found debian's pbuilder to be most convenient for this task.
> You can either use a config that pbuilder defaults to or do something
> along the lines of
>
>    pbuilder --create --override-config --basetgz /path/to/base.tgz
> --binary-arch <arch> --distribution <dist>
>
> You can then, if you like, login to your base.tgz in a chrooted
> environment with
>
>    pbuilder --login --basetgz /path/to/base.tgz
>
> and update the archive with
>
>    pbuilder --update --basetgz /path/to/base.tgz
>
> which is probably what we're gonna put in a cronjob at our server.
>
> Pbuilder defaults to cdebootstrap, which seems to be just debootstrap
> written in C, but can easily be configured otherwise in /etc/pbuilderrc
> (have a look at /etc/pbuilder/pbuilderrc, the default /etc/pbuilderrc
> overrides, if you choose to install it.
>
>
> Regards
> --
> Fredrik Eriksson
>
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