v2012.13. 2 avon high school tech crew agenda old business –delete files new business –week 7...
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2Avon High School Tech Crew
Agenda
• Old Business– Delete Files
• New Business– Week 7 Topics:
• Tech Talks• Field Trip• Complete VirtualBox/Ubuntu Install• Linux Intro
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New Business
• Tech Talks• Field Trip to Hyland Software
– February 21st
– Details to follow
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Ubuntu Setup
• Ubuntu VM Setup– Created a ‘standard’ VM– Easy import into VirtualBox
• Intro to Linux• Customize environment
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Getting Started
• Brief Intro to Linux– History– Using the command line– Basic commands– Practice exercises
• Ubuntu Setup and Customization– Change Desktop Environment
• Install Cinnamon
– Add Software and Applets• Install Ubuntu Tweak
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History: Before Linux
• In 80’s, Microsoft’s DOS was the dominated OS for PC• Apple Mac was better, but expensive• UNIX was much better, but much, much more
expensive. Only for minicomputer for commercial applications
• People were looking for a UNIX based system, which is cheaper and can run on PC
• Both DOS, Mac and UNIX were proprietary, i.e., the source code of their kernel is protected
• No modification is possible without paying high license fees
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Historical Development of Linux
• Linus Torvalds became interested in a freeware product called Minix
• Developed by Andrew S.Tanenbaum, Minix was a clone of the commercial UNIX operating system for PCs
• In Sept 1991, Torvalds, a second year student of Computer Science at the University of Helsinki, developed the preliminary kernel of Linux, known as Linux version 0.0.1
• And the rest is history …
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Linux Distributions
• Today, there are hundreds of different distributions available
• Popular Linux distributions include:– Ubuntu, SUSE, RedHat/Fedora, Arch, Debian, CentOS,
Mint, PCLinuxOS, Mageia
• List of distributions:– http://en.wikipedia.org/wiki/List_of_Linux_distributions
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What is a ‘Linux Distribution’?
• A Linux distribution typically includes:– Software Packages– Installer– Re-configure– Update/Patch– Commercial Software– User Guide
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Components of Linux
• The Linux Kernel– An operating system kernel used by the Linux
family
• Libraries– Pre-written code “pieces” that application
programmers use in their programs
• Utilities– Maintain the file system, editing text files,
managing running processes, installing new software packages
• User Interface
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Terminal & Command Line
• Why use a terminal or command line?– The terminal is a powerful and invaluable tool that can
be used to perform many useful tasks you might not be able to accomplish with a GUI
– The command-line interface is sometimes a faster way to accomplish a task.
– Learning the command-line interface is the first step towards more advanced troubleshooting, system administration, and software development skills
– Gives access to a ‘shell’• One of the most popular is ‘bash’
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Ubuntu Setup
• Install Cinnamon– Open a ‘terminal’– Enter the following commands:
$ sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable
$ sudo apt-get update
$ sudo apt-get install cinnamon
– Logout
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Ubuntu Setup
1. Click on the ‘Desktop’ icon
2. Choose ‘Cinnamon’
3. Click ‘OK’
4. Login
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Add Applet
• Add ‘My Launcher’ Applet:– Right-click on menu bar– Choose ‘Add applets to the panel’– Click on ‘Get new applets’
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Add Applet
• Add ‘My Launcher’ Applet:– Scroll down and choose ‘My Launcher’– Click on ‘Download’– Save the file
• Unzip the file$ unzip IHT1-YHWZ-0K2Z.zip
$ ls
mylauncher@markbokil.com
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Add Applet
• Add ‘My Launcher’ Applet:– Copy contents to the applet directory$ cd /home/seighman/.local/share/cinnamon/applets
$ cp -R ~seighman/Downloads/mylauncher@markbokil.com/ .
• Enable the applet, add it to your panel– Right-click on the menu bar again– Choose ‘ Add applet to the panel’– Scroll down and click on the box to enable the ‘My
Launcher’ applet– It will now appear in your menu panel
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