new file mode 100644

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+The `contrib` directory contains scripts, images, and other helpful things

+which are not part of the core docker distribution. Please note that they

+could be out of date, since they do not receive the same attention as the

+rest of the repository.

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+#!/bin/bash

+# Generate a very minimal filesystem based on busybox-static,

+# and load it into the local docker under the name "busybox".

+

+BUSYBOX=$(which busybox)

+[ "$BUSYBOX" ] || {

+    echo "Sorry, I could not locate busybox."

+    echo "Try 'apt-get install busybox-static'?"

+    exit 1

+}

+

+set -e

+ROOTFS=/tmp/rootfs-busybox-$$-$RANDOM

+mkdir $ROOTFS

+cd $ROOTFS

+

+mkdir bin etc dev dev/pts lib proc sys tmp

+touch etc/resolv.conf

+cp /etc/nsswitch.conf etc/nsswitch.conf

+echo root:x:0:0:root:/:/bin/sh > etc/passwd

+echo root:x:0: > etc/group

+ln -s lib lib64

+ln -s bin sbin

+cp $BUSYBOX bin

+for X in $(busybox --list)

+do

+    ln -s busybox bin/$X

+done

+rm bin/init

+ln bin/busybox bin/init

+cp /lib/x86_64-linux-gnu/lib{pthread,c,dl,nsl,nss_*}.so.* lib

+cp /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 lib

+for X in console null ptmx random stdin stdout stderr tty urandom zero

+do

+    cp -a /dev/$X dev

+done

+

+tar -cf- . | docker put busybox

+docker run -i -a -u root busybox /bin/echo Success.

+