Updated: 2015-03-20 12:49 EDT

1 Readings, Assignments, Labs, Tests, and ToDo

1.1 Assignments this week

Check the due date for each assignment and put a reminder in your agenda, calendar, and digital assistant.

1.2 Lab work this week

1.3 Upcoming tests and quizzes

Read the Test Instructions (all the words) before your next midterm test.

  1. Second Midterm test: 45 minutes; in class 8am Thursday in Week 9 (March 12)
    • Midterm Tests take place in your 8am lecture hour, not in your lab period.
    • Quizzes will be posted based on the practice test.
  2. Final Exam: 180 minutes; Tuesday April 21 11am to 2pm in room C144
    • Take a bathroom break before you sit down for three hours!

1.3.1 Midterm Test #2

  • Midterm #2 takes place 8am Thursday March 12 (Week 9) in your scheduled lecture hour (not in your lab period).
  • For full marks, you must read the Test Instructions before the test for important directions on how to enter your full name, your answers, your lab (not lecture) section number, and the test version number on the question sheet and the mark-sense forms.
  • There may be more questions on the test than you can answer in the time allowed; answer the ones you know, first.
  • A set of practice questions and answers for the first midterm test is posted: Practice Tests and Answers.
  • Blackboard has some quizzes taken randomly from the practice test. See below.

1.3.2 Quizzes: Midterm #2 Quiz

This Blackboard quiz is one of several quizzes in this course. Each midterm and final exam will have an associated Blackboard quiz. See the course outline for the mark weight of all course quizzes, midterm tests, and exams.

The Blackboard quizzes are open-book, but the midterm tests and final exam are closed-book.

This Blackboard quiz is based on the Midterm #2 Practice Test questions that are posted in the Class Notes. See the Week 05 Notes HTML for details on how the quiz is marked.

1.4 Midterm Test #2 Analysis (first draft)

90/107 people wrote the test.

100 100 100 97.8 97.8 97.8 97.8 97.8 95.6 95.6 95.6 93.3 93.3 91.1 91.1 88.9 88.9 88.9 88.9 86.7 86.7 86.7 86.2 84.4 84.4 84.4 84.4 82.2 82.2 82.2 82.2 82.2 82.2 81.9 81.5 80 77.8 77.8 77.6 75.6 75.6 75.6 75.6 75.4 73.3 73.3 73.3 73.1 71.1 68.9 66.7 66.7 66.7 64.4 64.4 64.4 62.5 62.2 62.2 62.2 60 60 58.5 57.8 55.6 55.6 55.6 53.9 53.3 53.3 48.9 46.7 44.4 40 38.8 35.6 35.6 35.5 33.3 28.9 26.7 26.7 24.4 24.4 24.4 20 20 20 17.8 11.1

#-90: Pass 70 (77.8%)  Fail 20 (22.2%)
#- 36 A (40.0%)    13 A-    8 A   15 A+ 
#- 13 B (14.4%)     1 B-    9 B    3 B+ 
#- 13 C (14.4%)     5 C-    4 C    4 C+ 
#-  8 D ( 8.9%)     0 D-    6 D    2 D+ 
#- 20 F (22.2%)    17 F-    1 F    2 F+ 
#- 90% - 100%  15  ***************      
#- 80% -  90%  21  *********************
#- 70% -  80%  13  *************        
#- 60% -  70%  13  *************        
#- 50% -  60%   8  ********             
#- 40% -  50%   4  ****                 
#- 30% -  40%   5  *****                
#- 20% -  30%   9  *********            
#- 10% -  20%   2  **                   
#-  0% -  10%   0

3 From the Classroom Whiteboard/Chalkboard

4 Real Sysadmin Work

4.1 Locked out of the Course Linux Server (1 of 2)

Someone again used WinSCP with a blank userid and locked themselves out of the CLS:

Mar  8 18:04:51 Accepted password for xxxxxxxx from 135.0.50.48
Mar  8 18:18:22 Invalid user  from 135.0.50.48
Mar  8 18:18:38 Failed password for invalid user  from 135.0.50.48
Mar  8 18:18:52 Failed password for invalid user  from 135.0.50.48
Mar  8 18:19:37 Failed password for invalid user  from 135.0.50.48
Mar  8 18:20:13 Invalid user  from 135.0.50.48
Mar  8 18:20:33 Failed password for invalid user  from 135.0.50.48
Mar  8 18:21:44 refused connect from 135.0.50.48 (135.0.50.48)

Read All The Words

4.2 Locked out of the Course Linux Server (2 of 2)

Someone again used WinSCP with a blank userid and locked themselves out of the CLS:

Mar  9 19:12:05 Accepted password for xxxxxxxx from 99.245.235.108
Mar  9 19:15:36 Invalid user  from 99.245.235.108
Mar  9 19:15:46 Failed password for invalid user  from 99.245.235.108
Mar  9 19:15:55 Failed password for invalid user  from 99.245.235.108
Mar  9 19:16:16 Failed password for invalid user  from 99.245.235.108
Mar  9 19:16:25 Failed password for invalid user  from 99.245.235.108
Mar  9 19:16:47 Invalid user  from 99.245.235.108
Mar  9 19:17:08 Failed password for invalid user  from 99.245.235.108
Mar  9 19:17:55 refused connect from cpe68b6fcf6cc73-cm68b6fcf6cc70.cpe.net.cable.rogers.com (99.245.235.108)

Read All The Words

4.3 Why the modern world is bad for your brain

http://www.theguardian.com/science/2015/jan/18/modern-world-bad-for-brain-daniel-j-levitin-organized-mind-information-overload

In an era of email, text messages, Facebook and Twitter, we’re all required to do several things at once. But this constant multitasking is taking its toll. Here neuroscientist Daniel J Levitin explains how our addiction to technology is making us less efficient.

4.4 Attacks on the Course Linux Server


Take Notes in Class

Take Notes in Class

Author: 
| Ian! D. Allen  -  idallen@idallen.ca  -  Ottawa, Ontario, Canada
| Home Page: http://idallen.com/   Contact Improv: http://contactimprov.ca/
| College professor (Free/Libre GNU+Linux) at: http://teaching.idallen.com/
| Defend digital freedom:  http://eff.org/  and have fun:  http://fools.ca/

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