Module Linux essentials - Module 3: Using Linux

Module 3
Using Linux

This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Exam Objective
1.4 ICT Skills and Working in
Objective SummaryLinux
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Gain desktop skills

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Introduce the command line

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Learn about Linux in industry, cloud
computing, and virtualization

This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Working with the Linux
Environment

This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.

©Copyright Network Development Group 2013.


Graphical vs. Non-Graphical
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Graphical mode runs an X-server, has
windows, and menus
Non-graphical mode is text only, focuses
on shell access
You can run multiple shells in graphical
mode, each within their own window

This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Getting to a terminal
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Look for xterm or terminal
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Perform a search

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Look for a “Utilities” or “System” menu

You can have multiple terminal windows
open
Cut and paste between different
applications
Same shells as non-graphical mode
This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Working with Linux
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Lots of software available to get office
work done with Linux
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LibreOffice provides a word processor,
spreadsheet, and presentation package that
are compatible with Microsoft applications

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Firefox or Chromium for web browsing

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Distribution or desktop environment will
provide email tools and other apps like a
calculator and notepad
This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Linux Security Basics

This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Keeping Safe
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Cookies are a small token that your
browser sends back to the originating site
on each request
Cookies are the biggest violators of
privacy
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You can disable cookies entirely

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Or just wipe them at the end of the session

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Also able to disable 3rd party cookies
This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Passwords
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Use strong, unique passwords everywhere
Software like KeePassX securely save
your passwords so you don’t need to
remember as many
A strong password is random
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10 or more characters

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Mix of UPPERCASE and lowercase

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Add in symbols (#![;…
This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.


Protecting your computer
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Use a firewall
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A default “deny incoming; allow outgoing”
policy is very effective

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iptables is the built in Linux firewall system

Keep up to date
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Your distribution should make it easy to check
for, and install, upgrades

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Updates have fixes for security problems

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Check often, or have your computer do it for
This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses.
©Copyright Network Development Group 2013.