On some editor's Linux based appliance(s), there is not telnet binary installed. To test TCP netwotk flows, it's possible to use python's socket module with a short script: 1#!/usr/bin/python 2 3import socket 4import sys 5 6if len(sys.argv) != 3: 7 print("usage: telnet.py IPADDRESS PORT") 8 exit(-1) 9 …