Khan Academy
| Language: German | Version: 2016.01.01 | Size: 0.8 GB |
https://de.khanacademy.org/
Download Options
Zip File over the web ( Unzip with 7-zip or Upload to RACHEL )
Zip File over FTP (host: ftp.worldpossible.org user/pass: anonymous)
Rsync
Copy & paste the above command to any Unix-based system to begin download. Rsync can pick up where it left off and only downloads changes.
It's the most efficient way to stay up-to-date with RACHEL modules.