[CBT Nuggets] Linux Security



In this intermediate Linux skills training, Shawn Powers prepares learners to take the security portion of the CompTIA Linux+ certification.

No matter how many developers the big OS providers employ, the number of developers working on Linux is still bigger. That’s the power of open source — and what makes Linux an operating system inherently secure, but it’s not hard to shatter that security. This Linux training covers how to keep your Linux servers secure.

After completing this Linux training you’ll know how to secure your Linux system at boot by using the BIOS, UEFI, or boot loader, configure multi-factor authentication (MFA), manage users in order to prevent the sharing of IDs, disable hosts and unused or unsecured services, and how to enable SSL/TLS and auditd.

For anyone who manages open-source platforms training, this Linux training can be used for XK0-004 exam prep, onboarding new systems engineers, mandatory security training, as a Linux reference resource, or curated into individual or team training plans.

Linux Security: What You Need to Know

This CompTIA Linux+ training covers XK0-004 security exam objectives, including these topics:

– Understanding how PAM configuration affects security
– Using pam_faillock or pam_tally2 for managing account locking
– Creating and using SSH keypairs
– Understanding and assigning Linux file permissions
– Managing security with multi-factor authentication and alternate authentication methods
– Securing and separating OS data and application data
– Understanding encryption options
– Diagnosing and analyzing network data flow
– Using stateful and stateless firewalls
– Managing log rotation

Who Should Take Linux Security Training?

This Linux Security training is considered engineer-level Linux training, which means it was designed for systems engineers. This security skills course is designed for systems engineers with three to five years of experience with open-source platforms.

New or aspiring systems engineers. Because the information on this course is the material about Linux security that’s used on the XK0-004 exam for the CompTIA Linux+ certification, you can be sure it’s the final word on Linux security. Handling security on Linux networks means using firewalls, managing log rotations and developing multi-factor authentication solutions, and more — you’ll learn it all with this course.

Experienced systems engineers. Systems engineers with years of experience have had time to realize that jobs in data security are among the best-paying and most stable. This training will turn you into a master of all things Linux security, from file permissions to SSH keypairs and analyzing network data flow. The material covers the security information on the XK0-004 exam for the CompTIA Linux+ certification.

What will you learn in this Linux security training?

This course will show you all the ways that a Linux operating system’s security is radically different from the corporate ones like macOS and Windows. This course covers authentication methods, logging and backup, firewall configurations and permission management – everything a Linux administrator needs to keep the network safe.

Who should take this Linux security course?

This isn’t a simple course and it’s not a primer on networking principles, so this course isn’t great for brand new admins. Some of the security configurations it covers are routine, but it also goes into advanced detail – that’s why systems engineers and network engineers are the best audience.


Shawn Powers – Nugget trainer since 2009

“I train to give people the chance to experience job satisfaction. Life satisfaction. Accomplishment. Success. JOY.”

Shawn Powers has been teaching IT for more than a decade. His specialties are Linux, Chef, and integrating multiple platforms for larger networks. Early in his career, he started a Cisco Academy for a local school district where he taught networking (CCNA & CompTIA A+) to high school students. He has a passion for teaching others, and his enthusiasm comes through in his courses. He is an associate editor for Linux Journal.

General Info:

Author(s): Shawn Powers
Language: English
Released: 2023
Videos Duration: 4h

Size: 1 GB

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