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+Creating a new cube from scratch
+--------------------------------
+
+Let's start by creating the cube environment in which we will develop ::
+
+  cd ~/cubes
+  # use cubicweb-ctl to generate a template for the cube
+  # will ask some questions, most with nice default
+  cubicweb-ctl newcube mycube
+  # makes the cube source code managed by mercurial
+  cd mycube
+  hg init
+  hg add .
+  hg ci
+
+If all went well, you should see the cube you just created in the list
+returned by ``cubicweb-ctl list`` in the  *Available cubes* section.
+If not, please refer to :ref:`ConfigurationEnv`.
+
+To reuse an existing cube, add it to the list named
+``__depends_cubes__`` which is defined in :file:`__pkginfo__.py`.
+This variable is used for the instance packaging (dependencies handled
+by system utility tools such as APT) and to find used cubes when the
+database for the instance is created (import_erschema('MyCube') will
+not properly work otherwise).
+
+On a Unix system, the available cubes are usually stored in the
+directory :file:`/usr/share/cubicweb/cubes`. If you are using the
+cubicweb mercurial repository (:ref:`SourceInstallation`), the cubes
+are searched in the directory
+:file:`/path/to/cubicweb_toplevel/cubes`. In this configuration
+cubicweb itself ought to be located at
+:file:`/path/to/cubicweb_toplevel/cubicweb`.
+
+.. note::
+
+    Please note that if you do not wish to use default directory for your cubes
+    library, you should set the :envvar:`CW_CUBES_PATH` environment variable to
+    add extra directories where cubes will be search, and you'll then have to use
+    the option `--directory` to specify where you would like to place the source
+    code of your cube:
+
+    ``cubicweb-ctl newcube --directory=/path/to/cubes/library mycube``
+
+
+.. XXX resurrect once live-server is back
+.. Usage of :command:`cubicweb-ctl liveserver`
+.. -------------------------------------------
+
+.. To quickly test a new cube, you can also use the `liveserver` command for cubicweb-ctl
+.. which allows to create an instance in memory (using an SQLite database by
+.. default) and make it accessible through a web server ::
+
+..   cubicweb-ctl live-server mycube
+
+.. or by using an existing database (SQLite or Postgres)::
+
+..   cubicweb-ctl live-server -s myfile_sources mycube