def getpid_listeningonport(port, ssh_client=None):

"""

Finds if there is a running process listening for network connections \

on a specific port.

def is_process_running(pid, ssh_client=None):

"""Finds if a process is running, using its process ID.

:param pid: The process ID of the target process

:param ssh_client: SSH client provided by paramiko to run the command