ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('10.100.102.2', port=2222, username='*****', password='*******')
ssh_stdin, ssh_stdout, ssh_stderr = ssh.exec_command('ls -1 /root|head -n 5')
ssh_session = ssh.get_transport().open_session()
if ssh_session.active:
   ssh_session.exec_command('ls -1 /root|head -n 5')