Re: Emdebian minimal RootFS
On Mon, May 07, 2007 at 10:34:06PM +0100, Wookey wrote:
>On 2007-05-07 21:55 +0100, Neil Williams wrote:
>> I wrote a little script to try to calculate any missing dependencies,
>> add up the download and installation sizes and compare with Debian.
>> These are the results (with a few comments):
>>
>
>> Using Debian versions (without accounting for any extra dependencies
>> that the Debian packages would require):
>> Debian Install total=30Mb
>> Debian Download total=10Mb
>>
>> Our versions (with libgcc1 and libstdc++6 to make an installable set):
>> Emdebian Install total=15Mb
>> Emdebian Download total=5Mb
>> (the majority of that is libc6)
>>
>> To be able to install the packages from Debian, this set is necessary:
>> busybox base-files cdebconf dpkg apt libstdc++6 libc6 base-passwd
>> initscripts login module-init-tools passwd sysvinit sysv-rc libgcc1
>> libpopt0 libgcc1 gcc-4.1-base mount libselinux1 awk lsb-base
>> libpam-modules libpam0g coreutils debian-archive-keyring libatk1.0-0
>> libcap1 gnupg libldap2 libdb4.3 libusb-0.1-4 libgnutls13 gpgv
>> libgcrypt11 makedev libgpg-error0 liblzo1
>>
>> Those would bump the set up to:
>> Debian Install total=47Mb
>> Debian Download total=17Mb
>>
>> vs
>> Emdebian Install total=15Mb
>> Emdebian Download total=5Mb
>>
>> So, overall, almost a 33% reduction.
>
>That's actually a 68% reduction. The size is 32% of the old size. :-)
>
>And in fact, can you actually make a busybox-based debian rootfs in
>practice - I don't think the dependencies will allow it?
My usual comfortable rootfs (without a compiler, though), is about 5Mb,
i fear that the dependencies would make this considerably bigger.
mount, makedev awk, login, dpkg, coreutils, passwd sound a little bit
redundant since busybox is supposed to be able to replace all of them,
just to comment a few from the list mentioned above.
I'm curious about the reason these packages (still) need to be installed?
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