So you gota do the following:
First, SSH into your box! Then…
Download geekbench arm for linux, place in main storage.
Type the following exactly, hitting enter after each line.
wget http://geekbench.s3.amazonaws.com/geekbench-2.4.2-LinuxARM.tar.gz
tar -xzvf geekbench-2.4.2-LinuxARM.tar.gz
cd dist/
mv Geekbench-2.4.2-LinuxARM /storage
cd /storage/Geekbench-2.4.2-LinuxARM
./geekbench
