diff --git a/README.md b/README.md
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+++ b/README.md
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+CD Build tools
+==============
+
+
+Requirements
+------------
+
+* Debian Wheezy
+* genisoimage
+
+
+Installation
+------------
+```
+wget http://build.yunohost.org/simple-cdd_0.3.14_all.deb
+dpkg -i simple-cdd_0.3.14_all.deb
+apt-get install -f
+git clone git://github.com/YunoHost/cd_build.git
+```
+
+Some problems can occur at `dpkg -i` but keep going !
+
+
+Usage
+-----
+
+```
+cd cd_build
+./build-yunohost amd64
+```
+
+Or
+
+```
+./build-yunohost i386
+```
diff --git a/build-yunohost b/build-yunohost
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+#!/bin/bash
+
+BUILD2="/home/yunohost/yunohostv2-amd64"
+BUILD="/home/yunohost/yunohostv2-i386"
+DATE=$(date +%m%d%y%H%M)
+
+function build-i386
+{
+cd $BUILD
+build-simple-cdd --dist wheezy --force-preseed --conf ./simple-cdd-i386.conf
+add-firmware-to images/debian-6.0.7-i386-CD-1.iso images/yunohostv2-$DATE-i386.iso wheezy
+rm images/debian-6.0.7-i386-CD-1.iso
+}
+
+function build-amd64
+{
+cd $BUILD2
+build-simple-cdd --dist wheezy --force-preseed --conf ./simple-cdd-amd64.conf
+add-firmware-to images/debian-7.1.0-amd64-CD-1.iso images/yunohostv2-$DATE-amd64.iso wheezy
+rm images/debian-6.0.7-amd64-CD-1.iso
+}
+
+
+if [[ "${1:-1}" = 1 ]]
+then
+	build-i386
+	build-amd64
+else
+	case $1 in
+	   i386) 
+		build-i386
+	   ;;
+	   amd64)
+		build-amd64
+           ;;
+	esac
+fi