System.err.println( "HpcVm client server_ip server_port client_port " ) ;
System.err.println( "HpcVm server server_port" ) ;
System.err.println( "HpcVm user server_ip server_port {start nbVM | stop | stopAll}" ) ;
System.err.println( "HpcVm client server_ip server_port client_port " ) ;
System.err.println( "HpcVm server server_port" ) ;
System.err.println( "HpcVm user server_ip server_port {start nbVM | stop | stopAll}" ) ;