def StopAll(path,IP,ROOT,PASSWD):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect('%s'%IP, username='%s'%ROOT,password='%s'%PASSWD)
    stdin, stdout, stderr = ssh.exec_command("cd /etc/init.d")
    stdin, stdout, stderr = ssh.exec_command("pwd")
    print stdout.read().strip()

sftp = paramiko.SFTPClient.from_transport(ssh)

sftp.cd(path)