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You can download them from: https://www.i2b2.org/software/index.html If this version is no longer available, just pick the latest version. i2b2 Wizard is - hopefully - already compatible with the latest version. To get an overview of the supported i2b2 versions, unzip the i2b2 Wizard file you have just downloaded and have a look at the scripts/i2b2_version directory. This directory contains a script for each supported i2b2 version. If your i2b2 version is not included, it is possible to create a copy of the most similar available version script with the file name of your desired distribution. We will come to this later.

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Now copy all files with SFTP to the Ubuntu machine. On Windows, you can use WinSCP (http://winscp.net), on a Mac the program Cyberduck (http://www.cyberduck.ch) or the excellent MacFusion (http://www.macfusionapp.org).
    
To connect to your virtual machine, use the "Host-Only-Adapter". The "Host-Only-Adapter" is the interface with the 192.168.56.*-IP. You can use the command *ifconfig* to find out the IP.
    
It is highly recommended to create a "snapshot" of your VirtualBox virtual machine before running the i2b2 Wizard.