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Access and Login
================

To gain access your account needs to be added to the **mpibgrid** access group.
Drop us an E-Mail if you would like to join, there are no restrictions, we
simply would like to talk to you beforehand.


SSH Terminal
------------

Access to the Tardis is provided via secure shell. On Mac OSX and Linux machines
the ``ssh`` program should be already installed. To get an instant shell on the
tardis run:

.. code-block:: bash

   ssh <YOUR_USERNAME>@tardis.mpib-berlin.mpg.de

On Windows you might want to try `Putty
<http://www.chiark.greenend.org.uk/~sgtatham/putty/>`_.  For a while now we
also have a `web shell <https://tardis.mpib-berlin.mpg.de/>`_ for when there is
no SSH client available.

On the first connection you will be prompted to accept a host fingerprint.
This is to authenticate the host and to prevent so-called man in the middle
attacks on your connection. The fingerprint should be either one of the
following:

``RSA: b3:c5:6a:3a:e1:cf:ca:38:57:43:19:1e:fc:45:eb:f4``
``DSA: 47:3a:37:7f:73:00:9d:c1:8c:9f:f7:bb:8d:fa:67:e6``

SSH File Transfer
-----------------

There are a number of (graphical) clients to help you transfer and mange files
and directories on the Tardis. For the most common operating systems we
recommend the following but you are of course free to use whatever you want.


Linux
^^^^^
Most modern Linux Desktops come with SSH already built-in to their file
manager. In Ubuntu you can simply use ``sftp://`` or ``ssh://`` as a protocol
in Nautilus:

.. image:: ../img/nautilus.png
   :width: 80%

Mac OSX
^^^^^^^

Apple has unfortunately not implemented the ``ssh://`` protocol family into their finder. A workaround is the `OSXfuse <http://osxfuse.github.io/>`_ project, possibly but not necessarily in combination with `MacFusion <http://macfusionapp.org/>`_:

.. image:: ../img/osxfuse.png
   :width: 80%

Windows
^^^^^^^
The most common utility to transfer files on Windows is `WinSCP <http://winscp.net/eng/download.php>`_:

.. image:: ../img/winscp.png
   :width: 80%