Usage: /opt/iamguarded/cassandra/bin/stop-server [-p <pidfile>] | [-l] | [-e] | [-h]
  -p <pidfile>    Stop the process using the specified pidfile
  -l              Stop the process with the name like 'cassandra'
  -e              Stop the process with the name equal 'CassandraDaemon'
  -h              Show the help message