📕ᴄᴏᴅɪɴɢ ʜᴏᴡ ᴛᴏ ᴍᴀᴋᴇ ᴀ ᴘʏᴛʜᴏɴ ʜᴏsᴛ ᴄʜᴇᴄᴋᴇʀ ғᴏʀ ʟɪɴᴜx

ᴄᴏᴅɪɴɢ ɪs ᴛʜᴇ ᴇᴀsʏ ᴘᴀʀᴛ. ʙᴇɢɪɴ ғʀᴏᴍ ɪᴍᴘᴏʀᴛɪɴɢ sʏs ᴀɴᴅ sᴏᴄᴋᴇᴛ, ᴛʜᴇɴ, ᴡʀɪᴛᴇ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ᴄᴏᴅᴇ:

import os # Importing main libs

import sys

start = "" # Setting up variables

range1 = 0

range2 = 0

 

for carg in sys.argv: # Checking for arguments

    if carg == "-s":

        argnum = sys.argv.index(carg)

        argnum += 1
start = sys.argv[argnum]

    elif carg == "-r1":

        argnum = sys.argv.index(carg)

        argnum += 1

        range1r = sys.argv[argnum]

        range1 = int(range1r)

    elif carg == "-r2":

        argnum = sys.argv.index(carg)

        argnum += 1

        range2r = sys.argv[argnum]

        range2 = int(range2r)

 

print ("[*] Host Scanner launched!") # Informs user about initialize

 

if start == "": # Checks if all the information is provided

    print ("[E] No host provided")

elif range1 == 0:

    print ("[E] No range1 provided")

elif range2 == 0:

    print ("[E] No range2 provided")

else:

    if range1 > range2:

        count = range1 - range2

    elif range1 < range2:

        count = range2 - range1

    for ccount in range(range1, range2): # Counts the IP range to ping

            target = start + "." + str(ccount)

            response = os.system("ping " + target + " 2>&1 >/dev/null") # Sets response to ping

            if response == 0: # Reads response, checks if it is 0

                err = 0 # sets err to 0

            else:

                err = 1 # sets err to 1

            if err == 0: # when err is equal to 0

                print ("[+] " + target + " is up!") # Informs user about hosts that are up

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