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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:
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%
Open the following URL in your file manager (CTRL-L) ::
ssh://<YOUR_USERNAME>@tardis.mpib-berlin.mpg.de/home/mpib/``
Apple has unfortunately not implemented the ``ssh://`` protocol family into their finder. A workaround is the `osxfuse`_ project, possibly but not necessarily in combination with `macfusion`_:
1. Download and install `osxfuse`_ and make sure to tick the "Compatibility Layer for MacFuse" option
2. Reboot your machine
3. Either use ``sshfs`` in the command line or download and install `macfusion`_:
In MacFusion
1. add a new profile with the hostname ``tardis.mpib-berlin.mpg.de`` and your username
2. mount the new profile by clicking on mount
3. open in finder either by looking for it or click the cogs icon and then *Reveal*
Windows
^^^^^^^
The most common utility to transfer files on Windows is `WinSCP <http://winscp.net/eng/download.php>`_:
.. image:: ../img/winscp.png
:width: 80%
Mounting File Servers
---------------------
You can transfer files directly from the tardis to our file servers, without
taking the detour through your client. There are multiple ways to *mount* the
servers.
**Important Note!!**
When you work on network folders on the tardis there is no such thing as trash.
When you accidentally remove a folder, it is **gone**. This also accounts for
mounted network folders! Please remember that restoring network file server
backups are extremely costly and take a lot of time. Also note that the Tardis
itself (i.e. your Home Directory) does **not** have a backup at all.
SMBNetFs
^^^^^^^^
When you login with your password the folder `MPIB-SAMBA` should be populated with all the detected file servers, like `mpib06, mpib10 or dfs1`. You can simply navigate to the desired folder and use `cp, mv, rm etc` on those folders:
.. code-block:: bash
krause@master:~> $ cd MPIB-SAMBA/dfs1
krause@master:~/MPIB-SAMBA/dfs1> $ ls
Bibliothek FB-ABC FB-ARC FB-GG FB-LIP Misc MPFG-Affekt
MPFG-Musik MPFG-REaD MPRG-NSC mrt PR User Verwaltung
ZentraleDienste
krause@master:~/MPIB-SAMBA/dfs1> $
After a while the automatic access granting ticket will expire and you might see an error like this:
.. code-block:: bash
krause@master:~> $ ls MPIB-SAMBA/mpib11
ls: cannot open directory MPIB-SAMBA/mpib11: Permission denied
In that cas you can run the script `remount-smbnetfs.sh` to manually refresh
your ticket and re-mount the network folders in MPIB-SAMBA/. No shell or
program may access the folder at that time.
udevil
^^^^^^
Udevil is a helper program to manually mount specific folders to your home directory and it works like this:
Create a mount location (once):
.. code-block:: bash
Now mount a folder with this command:
.. code-block:: bash
krause@master:~> $ udevil mount -t cifs smb://mpib-berlin.mpg.de/SHARE_NAME NetworkFolders/
It will ask you for your password, example:
.. code-block:: bash
krause@master:~> $ udevil mount -t cifs smb://mpib-berlin.mpg.de/fb-lip NetworkFolders/
udevil: trying cifs as guest
mount error(13): Permission denied
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
udevil: trying with user=krause
Password:
Mounted //mpib-berlin.mpg.de/fb-lip at /home/mpib/krause/NetworkFolders
krause@master:~> $ ls NetworkFolders/!MAC
LIP ConMem EEG-Desktop GWAS IBSM IT LIP-Allgemein LIP-NSC-Babystudy
LNDG MRI-ERGO MRT-intern PACSArchiv Senscog StructuralPlast StruktData Telefonstudio
If you want to mount another folder either create a different target directory or **unmount** the old folder first:
.. code-block:: bash
krause@master:~> $ udevil umount NetworkFolders/
krause@master:~> $
You can check all your currently mounted folders with `mount` and filtering by
your username with `mount | grep $USER`.
.. _osxfuse: http://osxfuse.github.io/
.. _macfusion: http://macfusionapp.org/