Check that port is used

Is Gearman running?

sudo lsof -i tcp:4730

When it's up, output is following:

COMMAND  PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
gearmand 810 gearman    9u  IPv4  11416      0t0  TCP *:4730 (LISTEN)
gearmand 810 gearman   10u  IPv6  11417      0t0  TCP *:4730 (LISTEN)