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OPS335 Lab 2b

381 bytes removed, 13:54, 6 September 2019
Andrew's sections
Follow the instructions for lab 2b on blackboard.
===In Class Submission (Murray SaulAndrew's Classes only)sections===[[ImageYou may choose to:lab1_signoff.png|thumb|right|300px|Students should be prepared with * Submit screenshots of your work on Blackboard, in which case you don'''all required commands (system information) displayed in a terminal (or multiple terminals) prior t need to come to calling the instructor for signoff'''lab.]]'''Arrange evidence (command output) for each of these items on * Or come to the lab, show me your screenwork, then ask your instructor and talk to me about it. I want to review them hear what you've learned and sign off on answer any questions you have. You'll get the same grade regardless of how you choose to submit your work. Expected results of this lab's completionare:'''
::<span style="color:green;font-size:1.5em;">&#x2713;</span>List iptables rules for ALL machines.
::<span style="color:green;font-size:1.5em;">&#x2713;</span>Prove that you can ping and ssh from your host machines to all of your vms.
::<span style="color:green;font-size:1.5em;">&#x2713;</span>Download the labcheck2b.bash checking bash shell script by issuing the command:<br><br>'''wget httpand run https://matrixict.senecac.onsenecacollege.ca/~peterandrew.callaghansmith/files/OPS335ops335/labcheck2b.bash'''<br><br>set execute permission and run the shell script on your '''host''' machine. ::*For '''Peter's classes''', follow his Online Submission instructions in Moodle.::*For '''Murray's classes''', run command (piping to the '''more''' command) and show output to instructor.::<span style="color:green;font-size:1.5em;">&#x2713;</span>Completed Lab2 log-book notesBe able to explain how you debug a connectivity problem caused by iptables
==EXPLORATION QUESTIONS==
#List 3 separate techniques that you used to help troubleshoot to detect and fix iptables from running the shell script in the previous section.<br><br>#Without looking at the table above, list tips for troubleshooting iptables.<br><br>
#After completing this lab, how does the above-mentioned shell script work to cause problems with iptables?

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