1 Readings, Assignments, Labs, and ToDoIndex

• Read (at least) these things (All The Words):
  • Week 03 Notes HTML - this file - ** Read All The Words **
  • Unix/Linux File System and Pathnames (ROOT, absolute, relative, dot, dot dot
  • Directories: ROOT, /root, HOME, /home, and current
  • Finding Help in Manual Pages - RTFM
  • Searching for and finding files by name, size, use, modify time, etc.
  • List of Commands
• From “Unix for Mac OS X Users” at lynda.com
  • 2. Filesystem Basics
    • The working directory 2m 49s
      • pwd
    • Listing files and directories 3m 59s
      • pwd, ls, hidden files
    • Moving around the filesystem 4m 58s
      • cd, TAB filename completion, absolute/relative paths
    • Filesystem organization 4m 12s
      • ROOT, standard Unix folders
  • 3. Working with Files and Directories
    • Naming files 5m 41s
      • Unix is case-sensitive, OSX is case-insensitive!
      • avoid special characters or blanks in Unix pathnames
    • Creating files 2m 19s
      • touch
    • Unix text editors 6m 39s
      • vi/vim, nano
    • Reading files 5m 35s
      • cat, more, less
    • Reading portions of files 3m 27s
      • head, tail
    • Creating directories 2m 40s
      • mkdir
    • Moving and renaming files and directories 8m 32s
      • mv (including using ..)
    • Copying files and directories 3m 7s
      • cp
    • Deleting files and directories 3m 38s
      • rm, rmdir
    • Searching for files and directories
      • find
  • 5. Commands and Programs - Command basics 4m 4s
• Read (All The Words), Do, and save (not for hand in)
  • Lab Worksheet #02 HTML
• Read (All The Words), Do, and then Submit via Blackboard:
  • Assignment #02 HTML - Course Linux Server
• READ ALL THE WORDS

Bad file name: Assignment01.txt
Bad file name: assingment01.txt
Bad file name: Assignment 1.docx
Bad file name: Assignment 01.txt
Bad file name: assignment01.txt.txt
Bad file name: assignment 1.tt

2 From the Class Notes link on the Course Home PageIndex

• Course Home Page
• Previous Week
• All Weeks
• Next Week

• Review last week. Did you do everything assigned last week?
• First Midterm test date: Thursday February 7 3pm (Week 5)
• Second Midterm test date: Thursday March 21 3pm (Week 10)
• Please send me a copy of the Rap Video …

3 From the Classroom Whiteboard/ChalkboardIndex

• Your in-class notes go here.

4 Real Sysadmin WorkIndex

• Good news for job hunters in Android, Linux, and open source
  • “the most important thing they have in common is that they each require a fundamental understanding of Linux”
  • “technology professionals with these skills and expertise are being sought like never before”

Some crackers try to fetch the password file from my machine using long strings of parent directories in Web URLs:

aku.staff.makson.us - - [15/Oct/2008:21:16:13 -0400] "GET /http://www.1stproducts.com/2007/index.php?content=http://www.toonzone.net/teentitans/index.php?content=releases/soundtrack/tokyo/index/index.php?content=../../../../../../../../../../../../../etc/passwd%00%0D?? HTTP/1.1" 404 914 "-" "libwww-perl/5.813"
lincl849.intelfon.com - - [17/Oct/2008:16:50:14 -0400] "GET /cst8129/02f/notes//affiliates/index.php?md=../../../../../../../../../../../../../etc/passwd%00 HTTP/1.1" 404 684 "-" "libwww-perl/5.805"
ns228591.ovh.net - - [23/Apr/2012:23:28:50 -0400] "GET /index.php?inc=../../../../../../../../../../../../../../../../../../../../../../../../../etc/passwd%0000 HTTP/1.1" 404 654 "-" "Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8) Gecko/20050609 Firefox/1.0.4"

Take Notes in Class