diff --git a/.gitignore b/.gitignore
index 1c00f4c..53e1754 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,5 @@ doc/
 Vagrantfile
 
 /boxes/**/*.tar.gz
+/boxes/quantal64/rootfs-amd64/
 /boxes/output/
diff --git a/boxes/quantal64/download-ubuntu b/boxes/quantal64/download-ubuntu
new file mode 100755
index 0000000..26ac547
--- /dev/null
+++ b/boxes/quantal64/download-ubuntu
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# This is the code extracted from /usr/share/lxc/templates/lxc-ubuntu
+# that comes with Ubuntu 12.10 which is responsible for downloading the
+# rootfs files / packages
+
+set -e
+
+suggest_flush()
+{
+    echo "Container upgrade failed.  The container cache may be out of date,"
+    echo "in which case flushing the case (see -F in the hep output) may help."
+}
+
+cleanup()
+{
+    rm -rf $cache/partial-$arch
+    rm -rf $cache/rootfs-$arch
+}
+
+write_sourceslist()
+{
+    # $1 => path to the rootfs
+    # $2 => architecture we want to add
+
+    MIRROR=${MIRROR:-http://archive.ubuntu.com/ubuntu}
+    SECURITY_MIRROR=${SECURITY_MIRROR:-http://security.ubuntu.com/ubuntu}
+
+    cat >> "$1/etc/apt/sources.list" << EOF
+deb $MIRROR ${release} main restricted universe multiverse
+deb $MIRROR ${release}-updates main restricted universe multiverse
+deb $SECURITY_MIRROR ${release}-security main restricted universe multiverse
+EOF
+}
+
+download_ubuntu()
+{
+    packages=vim,ssh
+    echo "installing packages: $packages"
+
+    trap cleanup EXIT SIGHUP SIGINT SIGTERM
+    # check the mini ubuntu was not already downloaded
+    mkdir -p "$cache/partial-$arch"
+    if [ $? -ne 0 ]; then
+        echo "Failed to create '$cache/partial-$arch' directory"
+        return 1
+    fi
+
+    # download a mini ubuntu into a cache
+    echo "Downloading ubuntu $release minimal ..."
+    if [ -n "$(which qemu-debootstrap)" ]; then
+        qemu-debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $release $cache/partial-$arch $MIRROR
+    else
+        debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $release $cache/partial-$arch $MIRROR
+    fi
+
+    if [ $? -ne 0 ]; then
+        echo "Failed to download the rootfs, aborting."
+            return 1
+    fi
+
+    # Serge isn't sure whether we should avoid doing this when
+    # $release == `distro-info -d`
+    echo "Installing updates"
+    > $cache/partial-$arch/etc/apt/sources.list
+    write_sourceslist $cache/partial-$arch/ $arch
+
+    chroot "$1/partial-${arch}" apt-get update
+    if [ $? -ne 0 ]; then
+        echo "Failed to update the apt cache"
+        return 1
+    fi
+    cat > "$1/partial-${arch}"/usr/sbin/policy-rc.d << EOF
+#!/bin/sh
+exit 101
+EOF
+    chmod +x "$1/partial-${arch}"/usr/sbin/policy-rc.d
+
+    lxc-unshare -s MOUNT -- chroot "$1/partial-${arch}" apt-get dist-upgrade -y || { suggest_flush; false; }
+    rm -f "$1/partial-${arch}"/usr/sbin/policy-rc.d
+
+    chroot "$1/partial-${arch}" apt-get clean
+
+    mv "$1/partial-$arch" "$1/rootfs-$arch"
+    trap EXIT
+    trap SIGINT
+    trap SIGTERM
+    trap SIGHUP
+    echo "Download complete"
+    return 0
+}
+
+declare cache=`readlink -f .` \
+        arch=amd64 \
+        release=quantal
+
+if [ -d "${cache}/rootfs-${arch}" ]; then
+  echo 'The cache has been downloaded already, please remove it if you want to update'
+  exit 1
+fi
+
+download_ubuntu $cache $arch $release
diff --git a/boxes/quantal-64/lxc-template b/boxes/quantal64/lxc-template
old mode 100644
new mode 100755
similarity index 84%
rename from boxes/quantal-64/lxc-template
rename to boxes/quantal64/lxc-template
index 895ebb1..85a9f80
--- a/boxes/quantal-64/lxc-template
+++ b/boxes/quantal64/lxc-template
@@ -104,6 +104,11 @@ finalize_user()
         chroot $rootfs adduser ${user} $group >/dev/null 2>&1 || true
     done
 
+    chroot $rootfs cp /etc/sudoers /etc/sudoers.orig >/dev/null 2>&1 || true
+    chroot $rootfs sed -i -e 's/%sudo\s\+ALL=(ALL:ALL)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' /etc/sudoers >/dev/null 2>&1 || true
+    chroot $rootfs locale-gen en_US en_US.UTF-8 hu_HU hu_HU.UTF-8 >/dev/null 2>&1 || true
+    chroot $rootfs dpkg-reconfigure locales >/dev/null 2>&1 || true
+
     if [ -n "$auth_key" -a -f "$auth_key" ]; then
         u_path="/home/${user}/.ssh"
         root_u_path="$rootfs/$u_path"
@@ -148,79 +153,6 @@ EOF
     fi
 }
 
-cleanup()
-{
-    rm -rf $cache/partial-$arch
-    rm -rf $cache/rootfs-$arch
-}
-
-suggest_flush()
-{
-    echo "Container upgrade failed.  The container cache may be out of date,"
-    echo "in which case flushing the case (see -F in the hep output) may help."
-}
-
-download_ubuntu()
-{
-    cache=$1
-    arch=$2
-    release=$3
-
-    packages=vim,ssh
-    echo "installing packages: $packages"
-
-    trap cleanup EXIT SIGHUP SIGINT SIGTERM
-    # check the mini ubuntu was not already downloaded
-    mkdir -p "$cache/partial-$arch"
-    if [ $? -ne 0 ]; then
-        echo "Failed to create '$cache/partial-$arch' directory"
-        return 1
-    fi
-
-    # download a mini ubuntu into a cache
-    echo "Downloading ubuntu $release minimal ..."
-    if [ -n "$(which qemu-debootstrap)" ]; then
-        qemu-debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $release $cache/partial-$arch $MIRROR
-    else
-        debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $release $cache/partial-$arch $MIRROR
-    fi
-
-    if [ $? -ne 0 ]; then
-        echo "Failed to download the rootfs, aborting."
-            return 1
-    fi
-
-    # Serge isn't sure whether we should avoid doing this when
-    # $release == `distro-info -d`
-    echo "Installing updates"
-    > $cache/partial-$arch/etc/apt/sources.list
-    write_sourceslist $cache/partial-$arch/ $arch
-
-    chroot "$1/partial-${arch}" apt-get update
-    if [ $? -ne 0 ]; then
-        echo "Failed to update the apt cache"
-        return 1
-    fi
-    cat > "$1/partial-${arch}"/usr/sbin/policy-rc.d << EOF
-#!/bin/sh
-exit 101
-EOF
-    chmod +x "$1/partial-${arch}"/usr/sbin/policy-rc.d
-
-    lxc-unshare -s MOUNT -- chroot "$1/partial-${arch}" apt-get dist-upgrade -y || { suggest_flush; false; }
-    rm -f "$1/partial-${arch}"/usr/sbin/policy-rc.d
-
-    chroot "$1/partial-${arch}" apt-get clean
-
-    mv "$1/partial-$arch" "$1/rootfs-$arch"
-    trap EXIT
-    trap SIGINT
-    trap SIGTERM
-    trap SIGHUP
-    echo "Download complete"
-    return 0
-}
-
 copy_ubuntu()
 {
     cache=$1
@@ -238,8 +170,7 @@ install_ubuntu()
 {
     rootfs=$1
     release=$2
-    flushcache=$3
-    cache="/var/cache/lxc/$release"
+    cache=$3 # "/var/cache/lxc/$release"
     mkdir -p /var/lock/subsys/
 
     (
@@ -249,22 +180,6 @@ install_ubuntu()
             return 1
         fi
 
-
-        if [ $flushcache -eq 1 ]; then
-            echo "Flushing cache..."
-            rm -rf "$cache/partial-$arch"
-            rm -rf "$cache/rootfs-$arch"
-        fi
-
-        echo "Checking cache download in $cache/rootfs-$arch ... "
-        if [ ! -e "$cache/rootfs-$arch" ]; then
-            download_ubuntu $cache $arch $release
-            if [ $? -ne 0 ]; then
-                echo "Failed to download 'ubuntu $release base'"
-                return 1
-            fi
-        fi
-
         echo "Copy $cache/rootfs-$arch to $rootfs ... "
         copy_ubuntu $cache $arch $rootfs
         if [ $? -ne 0 ]; then
@@ -537,7 +452,7 @@ EOF
     return 0
 }
 
-options=$(getopt -o a:b:hp:r:xn:FS:d -l arch:,help,path:,release:,trim,name:,flush-cache,auth-key:,debug -- "$@")
+options=$(getopt -o a:b:hp:r:xn:FS:d:C -l arch:,help,path:,release:,trim,name:,flush-cache,auth-key:,debug:,cache: -- "$@")
 if [ $? -ne 0 ]; then
     usage $(basename $0)
     exit 1
@@ -573,14 +488,13 @@ fi
 debug=0
 trim_container=0
 hostarch=$arch
-flushcache=0
 while true
 do
     case "$1" in
     -h|--help)      usage $0 && exit 0;;
     -p|--path)      path=$2; shift 2;;
     -n|--name)      name=$2; shift 2;;
-    -F|--flush-cache) flushcache=1; shift 1;;
+    -C|--cache)     cache=$2; shift 2;;
     -r|--release)   release=$2; shift 2;;
     -a|--arch)      arch=$2; shift 2;;
     -x|--trim)      trim_container=1; shift 1;;
@@ -605,12 +519,6 @@ if [ $hostarch = "i386" -a $arch = "amd64" ]; then
     exit 1
 fi
 
-type debootstrap
-if [ $? -ne 0 ]; then
-    echo "'debootstrap' command is missing"
-    exit 1
-fi
-
 if [ -z "$path" ]; then
     echo "'path' parameter is required"
     exit 1
@@ -629,7 +537,7 @@ else
     rootfs=$path/rootfs
 fi
 
-install_ubuntu $rootfs $release $flushcache
+install_ubuntu $rootfs $release $cache
 if [ $? -ne 0 ]; then
     echo "failed to install ubuntu $release"
     exit 1
diff --git a/boxes/quantal-64/metadata.json b/boxes/quantal64/metadata.json
similarity index 82%
rename from boxes/quantal-64/metadata.json
rename to boxes/quantal64/metadata.json
index 7ac54e1..ea24c7b 100644
--- a/boxes/quantal-64/metadata.json
+++ b/boxes/quantal64/metadata.json
@@ -3,7 +3,7 @@
   "vagrant-lxc-version": "0.0.1",
 
   "template-opts": {
-    "--arch":    "x86_64",
+    "--arch":    "amd64",
     "--release": "quantal"
   }
 }
diff --git a/tasks/boxes.rake b/tasks/boxes.rake
index 94d6cc7..b6ccc64 100644
--- a/tasks/boxes.rake
+++ b/tasks/boxes.rake
@@ -19,19 +19,16 @@ namespace :boxes do
       sh 'cd boxes/ubuntu-cloud && tar -czf ../output/ubuntu-cloud.box ./*'
     end
 
-    desc 'Build Ubuntu Quantal x64 Vagrant LXC box'
-    task 'quantal-64' do
-      unless File.exists?('/var/cache/lxc/quantal/rootfs-amd64')
-        puts "Right now you need to run `lxc-create` with the right arguments to build debootstrap's cache " +
-             "prior to building the box.\n" +
-             "Please contact me at the mail you'll find at https://github.com/fgrehm/vagrant-lxc/issues\n" +
-             "if you want to find out how to get this going."
-        exit 1
+    desc 'Build Ubuntu Quantal 64 bits Vagrant LXC box'
+    task 'quantal64' do
+      unless File.exists?('./boxes/quantal64/rootfs-amd64')
+        sh 'cd boxes/quantal64 && ./download-ubuntu'
       end
 
       sh 'mkdir -p boxes/output'
-      sh 'rm -f output/lxc-quantal-64.box'
-      sh 'cd boxes/quantal-64 && tar -czf ../output/lxc-quantal-64.box ./*'
+      sh 'sudo rm -f output/lxc-quantal64.box boxes/quantal64/rootfs.tar.gz'
+      sh 'cd boxes/quantal64 && sudo tar --numeric-owner -czf rootfs.tar.gz ./rootfs-amd64/*'
+      sh "cd boxes/quantal64 && sudo chown #{ENV['USER']}:#{ENV['USER']} rootfs.tar.gz && tar -czf ../output/lxc-quantal64.box ./* --exclude=rootfs-amd64 --exclude=download-ubuntu"
     end
   end
 end