Download - POS/420
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POS/420
Philip Robbins – March 12, 2013 (Week 1)University of Phoenix Mililani Campus
Introduction to Unix
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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
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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.
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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
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The GNU Project
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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.
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What is Unix / Linux
• OS used on top 500 Supercomputers
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Evolution of Unix
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Tux
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The Top 10 Linux Distributions (2012)
1. Linux Mint
2. Mageia
3. Ubuntu
4. Fedora
5. openSUSE
6. Debian
7. Arch Linux
8. PCLinuxOS
9. Zorin OS
10.CentOS
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Linux Mint
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Mageia
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Ubuntu
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Fedora
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openSUSE
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Debian
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Arch Linux
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PCLinuxOS
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Zorin OS
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CentOS
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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
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Advantages of Linux
• Linux Server
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What is a shell?
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What is a shell?
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What is a shell?
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What is a shell?
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What is a shell?
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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).
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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)
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Install VM Player
• Download VMware Player- http://www.dorkatron.com/docs/POS420/1%20-
%20SOFTWARE%20-%20VMware-player-5.0.1-894247.exe
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Run Ubuntu VM
• Download & Extract “VM.rar”- http://www.dorkatron.com/docs/POS420/1%20-
%20SOFTWARE%20-%20VM.rar- Download winrar- Run “POS420VM.vmx”
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Break
• Let’s take a break… RETURN @ 800PM
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Run Ubuntu VM
• Login to Ubuntu 12.10- Username: student- Password: 3
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Search for Terminal
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Run Terminal (Use F11 for fullscreen)
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man man
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man ls
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List directory contents
• List the directory contents for student account.
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List directory contents
• List the directory contents for student account.
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man pwd
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Print Working Directory
• pwd for student account.
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man passwd
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Change your password
• Change password for student to “password”.
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man sudo
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Enable root (administrator)
• Change password for root to “password”.
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man su
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Log in as root
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man shutdown
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Restart system
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Week 1 Linux VM Changes
• Enabled root account• Password for “root” is now “password”• Password for “student” is now “password”
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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
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Quiz: Week 1
• 10-15 minutes