1 Readings, Assignments, Labs, and ToDoIndex

Read (at least) these things (All The Words):
- Week 09 Notes HTML - this file - Read All The Words
- Unix Modes and Permissions, whoami, id, groups, ls -l, chmod
- Permissions masking with umask, chmod, 777 octal permissions
- List of Commands You Should Know
Using your lynda.com account, watch Unix for Mac OS X Users
- 4. Ownership and Permissions
  - Who am I? 4m 3s
  - Unix groups 1m 52s
  - File and directory ownership 6m 41s
  - File and directory permissions 4m 27s
  - Setting permissions using alpha notation 6m 49s
  - Setting permissions using octal notation 3m 49s

1.1 Assignments this weekIndex

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

Read (All The Words), Do, and then Submit via Blackboard:
- Optional BONUS assignment: Assignment #04 HTML – learning the VIM text editor. (Optional BONUS for extra marks.)
- Assignment #06 HTML – Quoting and Startup Files
- Assignment #08 HTML – Search Path, Hard Links, and Disk Use
- Assignment #07 HTML (not ready, but see the checking script below) – installing and configuring CentOS in a VM, using CentOS Installation and Configuration and CentOS VMware Tools Installation

1.2 Lab work this weekIndex

Worksheet #06 HTML – Optional VIM Text Editor Practice
- This is an optional worksheet for an optional BONUS Assignment #04 HTML using the vim text editor.
- Optional Reading: The VI (VIM) Text Editor
- Optional command-line VIM tutorial: the vimtutor program on the CLS.
CentOS Installation and Configuration
- Assignment #7 will verify this installation.
- Preliminary checking script ready: see the notes below.
CentOS VMware Tools Installation
- Assignment #7 will verify this installation.
- Preliminary checking script ready: see the notes below.

2 Midterm Test #2 - Week 10 - Monday November 4 - 25%Index

Midterm test dates are posted on the Course Home Page.
Midterm Test #2 (Mon Nov 4) covers:
- anything from the previous midterm test, especially questions that were not answered correctly, plus:
- weekly notes, labs, quizzes, and assignments for Weeks 1 through 8 inclusive.
- The emphasis is on material covered since the previous test.
- Material in Assignment #08 HTML is relevant to this test.
For practice tests and quizzes, see the Practice Test README
For full marks, you must read the Test Instructions before the test for important directions on how to enter your answers, your lab 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.

2.1 Learning the MaterialIndex

You learn the material because you want to be a Computer Systems Technician.
- You like doing this work; you want to be good at it.
Review your mistakes on the first midterm test (questions re-appear).
For practice tests and quizzes, see the Practice Test README
Review the commands used in each lab worksheet (and their common options).
- Unix/Linux Command List
Review how the shell works: GLOB, redirection, quotes
- Know why the shell behaves that way. Copy/paste teaches you nothing.
- split on semicolons and pipes first, then do redirection
What are the Four Rules for Output Redirection? Three Rules for Pipes?
- Unix Shell I/O Redirection (including Pipes)

3 From the Class Notes link on the Course Home PageIndex

Review last week. Did you do everything assigned last week?

4 From the Classroom Whiteboard/ChalkboardIndex

Your in-class notes go here.
Take Notes In Class

In-class exercise:

Create one of these symbolic link targets in /tmp
Use your CLS userid as the link name in /tmp
You may have to remove an existing name first

Easy target:     linux
Medium target:   symbolic link
Hard target:     $$$ It's a "symbolic link" $$$

You can check your work by executing the script /tmp/do.sh

5 Preliminary CentOS checkingIndex

The CentOS checking program is still being written. Here’s what you can do so far:

On the CLS, create your assignment07 directory in the usual place. Then log in to your CenOS machine (as root) and run these three commands on your CentOS machine, replacing abcd0001 with your own CLS userid in the third one:

# cd /tmp
# curl -A mozilla http://teaching.idallen.com/cst8207/13f/notes/data/assignment07do.sh >do.sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
112   560  112   560    0     0   9433      0 --:--:-- --:--:-- --:--:-- 1931
# USER=abcd0001 sh do.sh

---------------------------------------------------------------------------
abcd0001: FETCH version 2.  Connecting to CLS as USER='abcd0001' using ssh
---------------------------------------------------------------------------
abcd0001: Use local Algonquin IP cst8207-alg.idallen.ca [y/N]? y
abcd0001: Please wait; using ssh to connect to user 'abcd0001' on cst8207-alg.idallen.ca ...
abcd0001@cst8207-alg.idallen.ca's password:
*** COURSE LINUX SERVER ***
---------------------------------------------------------------------------
idallen-ubuntu assignment07fetch_server.sh version 4 run by abcd0001.
Please wait; collecting info from abcd0001 Virtual Machine
---------------------------------------------------------------------------
VM files collected into CST8207-13F/Assignments/assignment07/abcd0001.tar.bz on CLS.
Now running checking program for abcd0001 on CLS:

----------------------------------------------------------------------------
check: idallen-ubuntu Fri Oct 18 12:48:40 2013
check: CST8207 assignment07 check program version 37

*** Checking account for abcd0001 on idallen-ubuntu ***
     Going into HOME directory /home/abcd0001 on idallen-ubuntu
      GOOD(2): Found correct 'source' statement in .bash_profile
      GOOD(2): Found non-interactive return first line in .bashrc
      GOOD(1): Found PS1= line in .bashrc
     Going into directory CST8207-13F/Assignments/assignment07 on idallen-ubuntu

*** 4.? CLS: Set Up Tasks in assignment07 on idallen-ubuntu ***

     On idallen-ubuntu: Using abcd0001.tar.bz dated Fri Oct 18 12:48:40 2013
     Checking 'abcd0001.tar.bz' version 4 created Fri Oct 18 12:48:40 EDT 2013

*** 4.? CentOS 6.4 Installation Verify ***
      GOOD(2): Found correct hostname
      NOTE: Found correct kernel running
      GOOD(2): Found correct number of RPM packages (201)
      GOOD(2): Found correct memory size
      GOOD(2): Found correct Toronto time zone

*** 4.? CentOS 6.4: Grub menu and time-out ***
      GOOD(2): Found correct time out line in CentOS 6.4 grub.conf
      GOOD(2): Found correct hidden menu line in CentOS 6.4 grub.conf

*** All Done ***
     WARNING: Cannot find submission file 'assignment07.txt' on CLS

----------------------------------------------------------------------------
*** CHECK SCRIPT NOT FINISHED YET - SOON ***
----------------------------------------------------------------------------

CST8207 Week 09 Notes
file system permissions, mode, umask

Ian! D. Allen - idallen@idallen.ca - www.idallen.com

Fall 2013 - September to December 2013 - Updated 2013-11-21 14:12 EST

1 Readings, Assignments, Labs, and ToDoIndex

1.1 Assignments this weekIndex

1.2 Lab work this weekIndex

2 Midterm Test #2 - Week 10 - Monday November 4 - 25%Index

2.1 Learning the MaterialIndex

3 From the Class Notes link on the Course Home PageIndex

4 From the Classroom Whiteboard/ChalkboardIndex

5 Preliminary CentOS checkingIndex

6 Real Sysadmin WorkIndex

CST8207 Week 09 Notesfile system permissions, mode, umask

Ian! D. Allen - idallen@idallen.ca - www.idallen.com

Fall 2013 - September to December 2013 - Updated 2013-11-21 14:12 EST

1 Readings, Assignments, Labs, and ToDoIndex

1.1 Assignments this weekIndex

1.2 Lab work this weekIndex

2 Midterm Test #2 - Week 10 - Monday November 4 - 25%Index

2.1 Learning the MaterialIndex

3 From the Class Notes link on the Course Home PageIndex

4 From the Classroom Whiteboard/ChalkboardIndex

5 Preliminary CentOS checkingIndex

6 Real Sysadmin WorkIndex

CST8207 Week 09 Notes
file system permissions, mode, umask