Well, I just spent hours trying to get this working. Turns out, you need to have a DNS server configured or none of this will work.
Amazing work. I might suggest you clarify the setup process a bit for those who are unexperienced (myself).
Eg:
Installing Hamachi on UnRAID for n00bs:
1. Download the following file: http://gfjardim.googlecode.com/files/hamachi-2.0.1.13-i686-unRAID.tgz
2. Go to \\UNRAID\flash and create a folder named “packages”
3. Copy the downloaded file (don’t extract it) into the “\\UNRAID\flash\packages” folder.
4. Open the file “go” in the "\\UNRAID\flash\config" folder. (Use Notepad++ instead of regular notepad)
5. At the bottom, on a fresh line, add the text "installpkg /boot/packages/hamachi-2.0.1.13-i686-unRAID.tgz"
6. Save the file, and reboot your server.
7. Telnet into your server (recommend PuTTY) and enter the following lines:
a. hamachi login
b. hamachi set-nick <nickname>
c. hamachi attach <LogMeIn account email>
8. Go to the LogMeIn website under My Networks, and accept the request to join (depending on preferences). Then edit settings for the new user for them to join your network.
9. Your server should now show up in your Hamachi network!
Notes: Your server must have a DNS server configured. Try 8.8.8.8
Thanks!