Linux Basics for Cyber Security

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Questions and Answers

Which Linux distribution is primarily used for penetration testing and offensive security?

  • Security Onion
  • SIFT Workstation
  • ControlThings.io
  • Kali Linux (correct)

Which of the following operating systems focuses on security, privacy, and development and is also Debian-based?

  • SIFT Workstation
  • Parrot Operating System (correct)
  • ControlThings.io
  • Security Onion

Which organization developed the SIFT Workstation, a Linux distribution used for digital forensics and incident response?

  • Offensive Security
  • Debian Project
  • The Parrot Team
  • SANS Institute (correct)

For what primary purpose is the Security Onion Linux distribution used?

<p>Threat hunting, enterprise security monitoring, and log management (A)</p>
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Which Linux distribution is tailored for cyber security assessment and penetration testing of industrial control systems (ICS)?

<p>ControlThings.io (D)</p>
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What does the pwd command do in Linux?

<p>Shows the current directory (C)</p>
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Which command is used to view the contents of a file in Linux?

<p>cat (D)</p>
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To move a file from one directory to another in Linux, which command would you use?

<p>mv (D)</p>
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Which Linux command is used to search for a specific pattern of text within files?

<p>grep (C)</p>
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If you need to see a real-time view of the running processes on a Linux system, similar to Task Manager in Windows, which command should you use?

<p>top (C)</p>
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Which command is used to list all files and directories in the current directory?

<p>ls (A)</p>
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What is the function of the touch command in Linux?

<p>Creates a new file (A)</p>
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Which resource offers computer-based training modules and a 'Linux Fundamentals' room?

<p>TryHackMe (C)</p>
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Which command displays currently running processes?

<p>ps (B)</p>
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If you want to change the current directory in the Linux terminal, which command should you use?

<p>cd (B)</p>
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Which resource provides video content on using Linux for ethical hacking?

<p>freecodecamp.org (D)</p>
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Which of the following is NOT a Linux distribution mentioned for cyber security purposes?

<p>Ubuntu Desktop (A)</p>
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What type of systems does ControlThings.io target for cyber security assessment and penetration testing?

<p>Industrial control systems (ICS) (C)</p>
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Besides running processes, what additional functionality does the top command provide?

<p>CPU and memory usage (A)</p>
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Which book is recommended for beginners learning Linux for cyber security?

<p>Linux Basics for Hackers (C)</p>
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Flashcards

Linux in Cyber Security

An operating system widely used by cyber security professionals for various tasks.

Kali Linux

An operating system used for penetration testing and offensive security, based on Debian.

Parrot OS

A Debian-based OS that focuses on security, privacy, and development, similar to Kali Linux.

SIFT Workstation

Collection of free and open-source tools, for detailed forensic examination.

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Security Onion

A free and open-source Linux distribution used for threat hunting, enterprise security monitoring, and log management.

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ControlThings.io

A Linux distribution used for cyber security assessment and penetration testing of industrial control systems (ICS).

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pwd Command

Shows the current directory you are in.

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ls Command

Lists files and directories in the current directory.

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cd Command

Changes the current directory.

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touch Command

Creates a new file.

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cat Command

Views the contents of a file.

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mkdir Command

Creates a new directory.

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mv Command

Moves a file to a different directory.

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grep Command

Searches for specific text within files or directories.

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ps Command

Shows running processes.

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top Command

Displays a dynamic real-time view of running processes.

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Study Notes

Linux Basics for Cyber Security Careers

  • Linux is widely used by cyber security professionals.
  • Basic Linux skills can help develop technical skills for cyber security roles.

Operating Systems for Cyber Security that Run Linux

  • Kali Linux:
    • Used for penetration testing and offensive security.
    • Debian-based.
    • The most widely used cyber security Linux distribution.
  • Parrot Operating System:
    • Debian-based.
    • Focuses on security, privacy, and development.
    • Similar capabilities to Kali Linux.
  • SIFT Workstation:
    • Used for digital forensics and incident response.
    • Developed by the SANS Institute (Robert Lee).
    • Collection of free and open-source tools for detailed forensic examination.
  • Security Onion:
    • Used for threat hunting, enterprise security monitoring, and log management.
    • A free and open-source Linux distribution.
    • Used for ingesting and monitoring logs.
  • ControlThings.io:
    • Linux distribution for cyber security assessment and penetration testing of industrial control systems (ICS).
    • Includes SCADA, DCS, IoT, and IioT systems.
    • Used in industrial and manufacturing environments.

Basic Linux Commands for Cyber Security

  • pwd (present working directory):
    • Shows the current directory.
  • ls (list):
    • Lists files and directories in the current directory.
  • cd (change directory):
    • Changes the current directory.
  • touch:
    • Creates a new file.
  • cat (concatenate):
    • Views the contents of a file.
  • mkdir (make directory):
    • Creates a new directory.
  • mv (move):
    • Moves a file to a different directory.
  • grep:
    • Searches for specific text within files or directories.
  • ps:
    • Shows running processes.
  • top:
    • Displays a dynamic real-time view of running processes, similar to Task Manager in Windows.

Resources for Learning Linux

  • Book: "Linux Basics for Hackers" by No Starch Press.
    • Covers basic Linux for cyber security, suitable for beginners.
  • TryHackMe:
    • Website with computer-based training modules.
    • Offers a "Linux Fundamentals" room.
  • YouTube Channel: freecodecamp.org
    • Video: "Linux Essentials for Ethical Hackers" (4 hours 41 minutes).
    • Covers using Linux for ethical hacking.
    • Presented by Hackersploit.
  • Download and experiment with the mentioned Linux distributions (Kali, Parrot, etc.).

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