Merge pull request #568 from dotcloud/improve_checksum-2

* Runtime: Store the actual archive on commit
* Registry: Improve the checksum process
- Registry: Fix error 400 on push
diff --git a/docs/sources/builder/basics.rst b/docs/sources/builder/basics.rst
index 0d726e9..f7ce079 100644
--- a/docs/sources/builder/basics.rst
+++ b/docs/sources/builder/basics.rst
@@ -103,7 +103,7 @@
     run echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
     run apt-get update
     
-    run apt-get install -y inotify-tools nginx apache openssh-server
+    run apt-get install -y inotify-tools nginx apache2 openssh-server
     insert https://raw.github.com/creack/docker-vps/master/nginx-wrapper.sh /usr/sbin/nginx-wrapper
 
 ::