Linux Security and Hardening, The Practical Security Guide

185 Enrolled
4 Hours
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57 Lessons (4h)

  • Course Overview and Downloads
    Course Overview
    Course Downloads
  • General Security
    Section Overview
    Is Linux Secure
    What Makes Linux Secure
    Security Principles and Guidelines
    Section Summary
    Quiz 1
  • Physical Security
    Section Overview
    Physical Security Concepts
    Single User Mode Security
    Single User Mode and Blank Passwords
    Securing the Boot Loader
    Disk Encryption
    Encrypting a New Device, Part I
    Encrypting a New Device, Part II
    Encrypting an Existing Device
    Disabling Control Alt Delete
    Section Summary
    Quiz 2
  • Account Security
    Section Overview
    Intro to PAM
    PAM Configuration Example
    Password Security
    Account Security Demo #1 (UID 0)
    Controlling Account Access
    Security by Account Type
    Account Security Demo #2
    Account Security Demo #3 (Sudo)
    Quiz 3
  • Network Security
    Section Overview
    Network Security, Part I
    Network Security, Part II
    Securing SSHD, Part I
    Securing SSHD, Part II
    Linux Firewall Fundamentals
    Configuring the Firewall from the Command Line
    Firewall Rule Specifications
    Example Firewall Rules
    Network Security Firewall Demonstration #1
    Quiz 4
    TCP Wrappers, Part I
    TCP Wrappers, Part II
    Quiz 5
  • File System Security
    Section Overview1:02
    File and Directory Permissions, Intro
    File and Directory Permissions, Part I
    File and Directory Permissions, Part II
    Special Modes, Part I
    Special Modes, Part II
    File Attributes
    File Attributes Demo
    ACLS Demo
    Rootkit Hunter Demonstration
    Rootkit Detection Software
  • Additional Security Resources
    Additional Security Resources
    Linux Hardening Guides
    Linux Security Email Lists
    Security Meetups List
    Security Conference Videos

Learn to Secure Any Linux System As You Add to Your IT Security Resume

Linux Training Academy


Jason Cannon is a professional system administrator, consultant, and author. Jason started his career as a Unix and Linux System Engineer in 1999. Since that time he has utilized his Linux skills at companies such as Xerox, UPS, Hewlett-Packard, and Additionally, he has acted as a technical consultant and independent contractor for small businesses and Fortune 500 companies. Jason has professional experience with CentOS, RedHat Enterprise Linux, SUSE Linux Enterprise Server, and Ubuntu. He has used several Linux distributions on personal projects including Debian, Slackware, CrunchBang, and others. In addition to Linux, Jason has experience supporting proprietary Unix operating systems including AIX, HP-UX, and Solaris. He enjoys teaching others how to use and exploit the power of the Linux operating system. He is also the author of the books "Linux for Beginners" and "Command Line Kung Fu." For more details on this course and instructor, click here. This course is hosted by StackSkills, the premier eLearning destination for discovering top-shelf courses on everything from coding—to business—to fitness, and beyond!


As the news often reminds us, security is absolutely paramount for companies--especially ones that handle customers' personal data--and security experts are always in demand. Through this course, you'll learn how to tighten up security on any Linux system, adding a valuable skill to your IT resume.

  • Access 57 lectures & 4 hours of content 24/7
  • Prevent attackers from breaking into your systems, even when they have physical access to your machine
  • Enforce strong password policies & control
  • Learn SSH Hardening practices & network security tactics
  • Understand port scanning & network service detection
  • Share accounts securely w/ an audit trail
  • Discover file system security & encryption


Important Details

  • Length of time users can access this course: lifetime
  • Access options: web streaming, mobile streaming
  • Certification of completion not included
  • Redemption deadline: redeem your code within 30 days of purchase
  • Experience level required: all levels


  • Internet required


  • Unredeemed licenses can be returned for store credit within 30 days of purchase. Once your license is redeemed, all sales are final.
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