# Download the dsci-lab OVA file

(install-virtualbox)=
## install VirtualBox

Download Oracle VM VirtualBox
* for legacy reasonons we (J.Busse) still use 7.1 (still under active maintenance): 7.1.x: <https://www.virtualbox.org/wiki/Download_Old_Builds_7_1>
  * this page also contains the respective extension pack 
* the current version 7.2 also should work: <https://www.virtualbox.org/wiki/Downloads>

Install software and extension pack into your host operating system.


<!--
Start VirtualBox. To install the *Oracle VM VirtualBox Extension Pack*, download it
* 7.1.x: https://www.virtualbox.org/wiki/Downloads > VirtualBox 7.0.14 Oracle VM VirtualBox Extension Pack > ​All supported platforms 
-->

(start-with_ova-file)=
## Download OVA-File WS 2025

Download OVA-File (essentilally the compressed hard disk of the virtual machine, plus some metadata):

* <https://www.jbusse.de/vm/dsci-lab_ws2025.ova>
* size of OVA file: 15 800 431 104  (about 16 GB)
* size of imported machine, i.e. initial hard disk: about 25 GB
* the webserve asks for credentials:
  * user: dsci
  * pass: XXXXX

AKTUELL 2025-09-20: Das **Passwort für den Download der OVA** findet sich prominent in den Moodle-Räumen zu den Veranstaltungen
* https://www.jbusse.de/python-101/index.html
* https://www.jbusse.de/python-101/python-101-crashkurs.html (auf der Homepage von Python-101, aber eigener Moodle-Raum




Check the sha256 hash value:

```sh
sha256sum dsci-lab_ws2025.ova 
# yields: **6505b33f976cba402da50ac4604e66e72b9806cf257af0a777edfe9e869d936b** dsci-lab_ws2025.ova
```




<!--
* <https://if-portal.haw-landshut.de/public/busse/dsci-lab_22.04_ss24.ova>
  * size of OVA file: 12 161 884 672 bytes (about 12.1 GB)

```
-bash-4.2$ ls -l dsci-lab_22.04.5_ws24_python101.ova 
-rwxr-xr-x 1 user234748 psacln 10844340224  2. Okt 16:49 dsci-lab_22.04.5_ws24_python101.ova


$ sha256sum dsci-lab_22.04_ss24.ova
ab54c2410d0c428077d18f29d6936fbed01d7ca87dc9e66cb36029ba38ead040
```

* legacy 2024-06-13, Exahm Computer SS 2024: <https://www.jbusse.de/dsci-lab/r_build_xubuntu-exahm_2024-05-28.html>

-->


Select VirtualBox > Datei > Appliance importieren. Import OVA file.

Boot the virtual machine. Login into XUbuntu with 
* user: *dsci*
* password: *dscidsci*

Start firefox ("Internetnavigator"). You should be able to browse the internet.

IMPORTANT: Update machine immediately! Open an terminal and enter:

```
sudo apt update; sudo apt upgrade; sudo apt autoremove
```