1. Module 3 Using Linux

2. Exam Objective 1.4 ICT Skills and Working in Linux
Objective Summary
Gain desktop skills
Introduce the command line
Learn about Linux in industry, cloud computing, and virtualization

3. Working with the Linux Environment

4. Graphical vs. Non-Graphical
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

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

6. Working with Linux
Lots of software available to get office work done with Linux
LibreOffice provides a word processor, spreadsheet, and presentation package that are compatible with Microsoft applications
Firefox or Chromium for web browsing
Distribution or desktop environment will provide tools and other apps like a calculator and notepad

7. Linux Security Basics

8. Keeping Safe
Cookies are a small token that your browser sends back to the originating site on each request
Cookies are the biggest violators of privacy
You can disable cookies entirely
Or just wipe them at the end of the session
Also able to disable 3rd party cookies

9. Passwords 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
10 or more characters
Mix of UPPERCASE and lowercase
Add in symbols (#![;…

10. Protecting your computer
Use a firewall
A default “deny incoming; allow outgoing” policy is very effective
iptables is the built in Linux firewall system
Keep up to date
Your distribution should make it easy to check for, and install, upgrades
Updates have fixes for security problems
Check often, or have your computer do it for you