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