If you haven't already, download:

http://mcmyadmin.com/downloads/MCMA2_glibc25.zip
http://mcmyadmin.com/downloads/etc.zip

Move etc.zip into your /usr/local/ directory and unzip it.

Extract the contents of MCMA2_glibc25.zip in the same place as the main McMyAdmin 2 archive

Run MCMA2_Linux_x86_64