to restart the MATLAB license server on antigone (16 licenses), first check whether it's running:
ssh antigone
cd /home/p/demo/demo/matlab_licenses/antigone
./lmstat -a
Then restart it if necessary:
./lmstart
To run matlab using this license server, use:
matlab -c /home/p/demo/demo/license2.dat
Another license server runs on ismene (4 licenses).