perl - Macxchange Script to Change MAC and Hostname in ubuntu 12.04 -

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i'm trying adapt script in backtrack work ubuntu. keep getting error on line 14 if [ $? == 0 ]; then line.

the script found on http://pctechtips.org/script-to-change-mac-and-hostname-in-backtrack/

the code below:

#!/bin/bash #author: jorge l. vazquez #purpose: script change mac address random #and pick random word password.lst in jtr hostname #change variables "interface" , "file" settings #also macchanger needs installed  interface=eth0 file=/pentest/passwords/jtr/password.lst word=$(sort -r $file | head -1)  #changing mac address random ifconfig $interface down > /dev/null if [ $? == 0 ];     printf "%s\nchanging mac address...\n"     macchanger -r $interface else     printf "%sscript encounter error, sorry...\n"     exit 1 fi  #changing hostname random word password.lst printf "%s\nchanging hostname...\n" oldhost=$(hostname) hostname $word if [ $? == 0 ];     printf "%sprevius hostname: $oldhost \n"     printf "%srandom hostname: $word \n" else     printf "%sscript encounter error, sorry...\n"     exit 1 fi  #putting interface ifconfig $interface > /dev/null printf "\n"   #end

and wordlist file hostfile (password.lst) looks this

# couple of merged /etc/hosts files --  # 4000ex a-lhi-bbn-01 a-lhi-sri-03 a00 a1 a2

i run script using sh filename.sh , i've given executable access , macchanger installed still error 14: [: 0: unexpected operator script encounter error, sorry...

try with

if [ $? = 0 ];

instead. == not canonical way write in bash, versions accept it.

don't forget repeat fix @ second occurrence below.


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