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ML SystemPart 1: Core ConceptsChapter 2
CH.02 ~25 min

Linux Mastery

Command line interface, permissions, and virtualization.

CLIPermissionsSSHBash
  • Use basic Linux commands in the CLI.
  • Manage file permissions (Read, Write, Execute).
  • Understand the role of virtualization in security labs.

01 Mastering Linux Operating System as an Operational Foundation Viz

Definition

CLI (Command Line Interface)

A command-line interface that offers efficiency, speed, and automation flexibility unmatched by GUIs.

02 File, Package, and Permission Management

CommandFunction
chmodChange file or directory access permissions.
chownChange file owner or group.
sshSecure remote access to servers.
bashScripting language for task automation in Linux.

03 Virtualization and Containerization

Definition

Hypervisor

Software that creates and runs virtual machines (e.g., VMWare, Proxmox, VirtualBox).

Definition

Sandbox

An isolated environment used to run untrusted code safely.

Key Takeaways

  1. 1Linux is the industry standard for security infrastructure.
  2. 2Mastering the CLI is more crucial than the GUI in cyber operations.
  3. 3Virtualization enables safe attack simulations.

CH.02

Chapter Complete

Up next:Pentesting & Web Security

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Reading
Exercise

Interact with the visualization

Quiz

Infrastructure Quiz

Test your understanding of DNS, CDN, Load Balancers, and Reverse Proxies.

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5 questionsRandomized from pool70% to pass