I've done some googling but can't find anything that works to fix this. :/  First time trying ubuntu was a few days ago!

When trying to mine:

mine@mine:~/silentarmy$ ./silentarmy --use 0,1,2,3,4 -c stratum+tcp://zec-eu.suprnova.cc:2142 -u ***** -p *****
Connecting to zec-eu.suprnova.cc:2142
Solver 0.0: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 0.1: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 1.0: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 1.1: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 2.0: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 2.1: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 3.0: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 3.1: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 4.0: unexpected banner "Cannot get OpenCL platforms (-1001)"
Solver 4.1: unexpected banner "Cannot get OpenCL platforms (-1001)"
Stratum server sent us the first job
Mining on 5 devices

and also:

mine@mine:~/silentarmy$ ./silentarmy --list
Cannot get OpenCL platforms (-1001)
mine@mine:~/silentarmy$