[CentOS] Writable Centos LiveCD on Embeded Linux?

Mon Aug 11 14:11:22 UTC 2008
Johnny Hughes <johnny at centos.org>

Oliver Schulze L. wrote:
> Hi Stephen,
> thanks for answering.
> I'm trying to see if I can get a router using an embeded platform, alix 
> in this case.
> Since the Alix platform is getting more powerfull and the 1GB compatch 
> flash is also
> getting cheaper, I was think in createing a full Centos distro booting 
> in that platform.
> Will read more about the overlay feature and see if it will do the job 
> for me.
> But maybe I will go back to have an ext2 partition and don't write to 
> it. I like
> the LiveCD option because of the fast (no fsck) boot feature
> Regards,
> Oliver
> Stephen John Smoogen wrote:
>> On Sun, Aug 10, 2008 at 1:19 PM, Oliver Schulze L. 
>> <oliver at samera.com.py> wrote:
>>> Hi Stephen,
>>> I read about the overlay feature in Fedora9, but I don't know if when 
>>> the
>>> changes
>>> to the FS are so big (like going from 5.1 to 5.2) the overlay will 
>>> grow and
>>> grow
>>> over time. And the overlay solution will require too much space.
>> For the live Cd that is about your only choise. The overlay will not
>> grow.. it will eventually fill up, but if you are making that many
>> changes in an embedded environment you really need to think about why
>> you aren't doing a complete reflush of the SSD

OK ... what would be the benefit of booting and updating the livecd as 
compared to just installing and updating CentOS on the flash.

There is nothing special about the RPMS on the LiveCD as compared to 
regular CentOS.

The only possible thing I see as an advantage would be the fact that the 
OS was NOT WRITABLE .. however, by rolling in the overlay feature, you 
would be over riding that.

Am I missing something here?

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