Andy Green wrote: > Pete Zaitcev wrote: > >> Very well, if you say so, ash may be all right. But busybox seems to >> take this too far. You know what the root of all evil is... So why don't >> we let OLPC group to actually build a system and take measurements? >> It seems too early to decide on busybox. For crying out loud, it's I decided to get some numbers to give an idea of what I am going on about. 1) I started trying with FC4 as a basis. This is the minimum packageset for FC4 that includes bash, coreutils. There is a ton of stuff that is not needed at all in the usage scenario for this box. rm -rf testfs ; mkdir -p testfs/dev ; chmod 777 testfs/dev ; mknod testfs/dev/null c 1 3 ; chmod 666 testfs/dev/null ; mknod testfs/dev/zero c 1 5 ; chmod 666 testfs/dev/zero ; rpm -r /usr/src/silentcat-0.2/packages/testfs -i basesystem-8.0-5.noarch.rpm setup-2.5.44-1.1.noarch.rpm rpms/filesystem-2.3.4-1.i386.rpm rpms/libgcc-4.0.2-8.fc4.i386.rpm rpms/bash-3.0-31.i386.rpm rpms/glibc-2.3.5-10.3.i386.rpm rpms/termcap-5.4-7fc4.noarch.rpm rpms/glibc-common-2.3.5-10.3.i386.rpm rpms/tzdata-2005r-3.fc4.noarch.rpm rpms/libtermcap-2.0.8-41.i386.rpm rpms/mktemp-1.5-23.i386.rpm rpms/coreutils-5.2.1-48.1.i386.rpm rpms/findutils-4.2.20-1.i386.rpm rpms/libacl-2.2.32-1.FC4.2.i386.rpm rpms/pam-0.79-9.6.i386.rpm rpms/cracklib-dicts-2.8.2-1.i386.rpm rpms/cracklib-2.8.2-1.i386.rpm rpms/audit-libs-1.0.14-1.fc4.i386.rpm rpms/libselinux-1.23.11-1.1.i386.rpm rpms/sed-4.1.4-1.i386.rpm rpms/initscripts-8.11.1-1.i386.rpm rpms/e2fsprogs-1.38-0.FC4.1.i386.rpm rpms/grep-2.5.1-48.2.i386.rpm rpms/ethtool-3-1.i386.rpm rpms/module-init-tools-3.2-0.pre9.0.FC4.1.i386.rpm rpms/util-linux-2.12p-9.13.i386.rpm rpms/mkinitrd-4.2.15-1.i386.rpm rpms/udev-071-0.FC4.2.i386.rpm rpms/SysVinit-2.85-39.i386.rpm rpms/cpio-2.6-9.FC4.i386.rpm rpms/gzip-1.3.5-6.i386.rpm rpms/lvm2-2.01.08-2.1.i386.rpm rpms/MAKEDEV-3.19-1.i386.rpm rpms/popt-1.10.1-22.i386.rpm rpms/pcre-5.0-4.1.fc4.i386.rpm rpms/libsepol-1.5.10-1.1.i386.rpm rpms/zlib-1.2.2.2-5.fc4.i386.rpm rpms/ncurses-5.4-17.i386.rpm rpms/device-mapper-1.01.02-1.0.i386.rpm rpms/hotplug-2004_09_23-7.i386.rpm rpms/mingetty-1.07-5.i386.rpm rpms/less-394-1.fc4.i386.rpm rpms/readline-5.0-3.i386.rpm rpms/hwdata-0.158.3-1.noarch.rpm rpms/net-tools-1.60-52.fc4.1.i386.rpm rpms/libattr-2.4.24-1.FC4.1.i386.rpm rpms/shadow-utils-4.0.12-6.FC4.i386.rpm rpms/tar-1.15.1-11.FC4.i386.rpm rpms/kernel-2.6.15-1.1831_FC4.i586.rpm rpms/chkconfig-1.3.23-0.4.i386.rpm rpms/fedora-release-4-2.noarch.rpm rpms/iputils-20020927-22.i386.rpm rpms/gawk-3.1.4-5.3.i386.rpm rpms/info-4.8-8.fc4.1.i386.rpm rpms/psmisc-21.5-5.i386.rpm rpms/sysklogd-1.4.1-30.i386.rpm rpms/procps-3.2.5-6.3.i386.rpm rpms/iproute-2.6.11-1.i386.rpm rpms/db4-4.3.27-3.i386.rpm rpms/libstdc++-4.0.2-8.fc4.i386.rpm # du testfs -h --exclude proc --exclude dev -s 186M testfs 2) This is an i386 busybox with most mod cons and locale support, still using FC4 glibc (notice stuff like selinux libs, db4 and initscripts are gone) rm -rf testfs ; mkdir -p testfs/dev ; chmod 777 testfs/dev ; mknod testfs/dev/null c 1 3 ; chmod 666 testfs/dev/null ; mknod testfs/dev/zero c 1 5 ; chmod 666 testfs/dev/zero ; rpm -r /usr/src/silentcat-0.2/packages/testfs -i basesystem-8.0-5.noarch.rpm setup-2.5.44-1.1.noarch.rpm rpms/filesystem-2.3.4-1.i386.rpm rpms/libgcc-4.0.2-8.fc4.i386.rpm /home/packager/rpm/RPMS/i386/busybox-1.1.0-21.i386.rpm rpms/zlib-1.2.2.2-5.fc4.i386.rpm rpms/glibc-2.3.5-10.3.i386.rpm rpms/glibc-common-2.3.5-10.3.i386.rpm rpms/tzdata-2005r-3.fc4.noarch.rpm # du testfs -h --exclude proc --exclude dev -s 107M testfs 3) This is an i386 uclibc + busybox minimal filesystem, with ash, most coreutils, common goodies like network, ifconfig, udhcpc, modprobe, etc, etc. Without kernel though, which will be an extra 1.2MB or thereabouts. It has various libs including libstdc++, and libc provided by uclibc. $ du -h build_i386/root -s 3.7M build_i386/root -Andy
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