POS/420 Introduction to Unix Philip Robbins – March 12, 2013 (Week 1) University of Phoenix Mililani Campus

Agenda: Week 1 Introductions Review Syllabus Week 1 History of Unix, Linux, and GNU UNIX / Linux Distributions Download & Install VM Player & Ubuntu Linux Watch video on Linux (1h 20m) Run Ubuntu Learn some basic commands within Terminal Quiz #1 2

What is Unix Developed by Ken Thompson Bell Labs (AT&T) in 1969 and released in 1971. Operating System initially written in assembly then in C. 3

The GNU Project 1983, Richard Stallman @ MIT Freeware Collaboration project To give computer users freedom and control Develop and distribute software with the following rights: Users are free to run the software Share it (copy & distribute) Modify it 4

The GNU Project http://www.gnu.org/licenses/gpl.html 5

The GNU Project 6

What is Linux Linux is an Operating System (OS) just like Windows and MAC OS. Linux Kernel designed by Linus Torvalds Linux is open source and free (GNU 1992) Approximately 60% of servers use Linux. 7

What is Unix / Linux OS used on top 500 Supercomputers 8

Evolution of Unix 9

Tux 10

The Top 10 Linux Distributions (2012) Linux Mint Mageia Ubuntu Fedora openSUSE Debian Arch Linux PCLinuxOS Zorin OS CentOS 11

Linux Mint 12

Mageia 13

Ubuntu 14

Fedora 15

openSUSE 16

Debian 17

Arch Linux 18

PCLinuxOS 19

Zorin OS 20

CentOS 21

Advantages of Linux No constant rebooting Start/stop services without interrupting others Portable Flexible Downloadable Applications Settings aren’t hidden in code or registries Open Source Distribution Freedom 22

Advantages of Linux Linux Server 23

What is a shell? 24

What is a shell? 25

What is a shell? 26

What is a shell? 27

What is a shell? 28

What is a kernel? Central component to most Operating Systems In charge of all access to computer resources Standard interface to system hardware Implements multitasking for processes continuously competing for system resources (enforcing isolation). 29

Let’s Install Linux! Work in Teams & help each other! Download Ubuntu 12.10 http://www.ubuntu.com/download/desktop Ways to install: .ISO file (Burn to DVD) Live CD Bootable USB Dual Boot Binaries Virtual Machine (VM) 30

Install VM Player Download VMware Player http://www.dorkatron.com/docs/POS420/1%20-%20SOFTWARE%20-%20VMware-player-5.0.1-894247.exe 31

Run Ubuntu VM Download & Extract “VM.rar” http://www.dorkatron.com/docs/POS420/1%20-%20SOFTWARE%20-%20VM.rar Download winrar Run “POS420VM.vmx” 32

Break Let’s take a break… RETURN @ 800PM

Run Ubuntu VM Login to Ubuntu 12.10 Username: student Password: 3 34

Search for Terminal 35

Run Terminal (Use F11 for fullscreen) 36

man man 37

man ls 38

List directory contents List the directory contents for student account. 39

List directory contents List the directory contents for student account. 40

man pwd 41

Print Working Directory pwd for student account. 42

man passwd 43

Change your password Change password for student to “password”. 44

man sudo 45

Enable root (administrator) Change password for root to “password”. 46

man su 47

Log in as root 48

man shutdown 49

Restart system 50

Week 1 Linux VM Changes Enabled root account Password for “root” is now “password” Password for “student” is now “password” 51

Week 1 List of commands man – manual pages ls – list directory contents pwd – print working directory passwd – change password sudo – execute command as superuser su – login as superuser shutdown – shutdown 52

Quiz: Week 1 10-15 minutes