Secure your UNIX infrastructure: Develop system administration skills

OffSec Learning Path: UNIX System Administration

Unix-based systems are vital components of modern IT environments. This hands-on Learning Path will equip you with the essential skills to secure and harden your Unix infrastructure, significantly reducing your organization's risk profile. Learners will:

  • Configure UNIX securely, implementing industry-standard security settings and policies

  • Harden key applications by securing Nginx web servers

  • Manage effective patching strategies to promptly mitigate vulnerabilities

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One of three system administration Learning Paths

Protect UNIX environments by developing fundamental security expertise

This Learning Path strengthens UNIX system administration skills, with a direct focus on security. Learners will gain the ability to securely configure Debian and macOS, harden the nginx web server, utilize advanced security controls like SELinux and AppArmor, and implement effective patching strategies. These skills translate into greater resilience against attacks and a more secure UNIX environment.

Who are these Learning Paths for?

  • UNIX system administrators seeking to bolster their security skills
  • Security analysts specializing in the protection of UNIX environments
  • IT professionals responsible for securing UNIX-based infrastructure

Learning objectives

  • Understand UNIX security, and grasp key security concepts, vulnerabilities, and attack vectors
  • Learn to implement best practices for UNIX system hardening
  • Keep systems up-to-date and mitigate vulnerabilities by developing patching strategies

Key modules in UNIX Learning Path

Secure Configuration of Debian Part 1

  • Introduction to Operating system hardening, walkthrough of configurations that should be set or default features that should disabled or modified to harden base Debian operating system without directly impacting the operation of the server

Secure Configuration of Debian Part 2

  • Continuing the hardening of the Debian OS, walkthrough of configurations that should be set or default features that should disabled or modified to harden base Debian operating system without directly impacting the operation of the server

Secure Configuration of NGINX

  • This is a walk through the approach to hardening an Nginx web server aligned with the CIS Guideline on hardening. It covers the fullset of hardening recommendations

Patching Linux Assets

  • Introduction to Linux patching, including patch distribution and storage, setting up a local update repo and patching kernel and security vulnerabilities

Introduction to AppArmor

  • Module discusses some basics of AppArmor, primarily how to manually build a profile

Introduction to SELinux

  • Module covers most basic SELinux topics like booleans, context, manually generating a policy template, files relating to policy (.fc, .te, .sh, etc), macros, domains, and how to use audit logs manually to edit policy

Bash Scripting Basics

  • Introduction to Bash scripting, including variables, loops, branches and functions

Windows System Administration

8

modules

60

hours of content (approx.)

31+

skills

UNIX SystemAdministration

Earning an OffSec Learning Badge

Showcase your growing web administration proficiency! Upon completing 80% of the Web System Administration Learning Path, you'll receive an exclusive OffSec badge signifying:

  • Secure UNIX administration proficiency: Demonstrate your expertise in securing UNIX systems
  • Industry recognition: Adds a valuable OffSec credential to your skillset
  • Hands-on skill: Demonstrated ability to effectively implement Windows security measures and harden system attacks at the fundamental level

 Why train your team with OffSec?

Reduce attack surface

Minimize vulnerabilities and potential entry points

Hands-on practice

Earn UNIX Administration in a safe lab environment, avoiding potential issues on sensitive infrastructure

Hinder attack progress

Make it more difficult for adversaries to succeed

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Learn Unlimited provides individuals and organizations with unlimited access to the OffSec Learning Library. This includes all courses, content and learning paths. Learners also receive unlimited exam attempts and time in any of our hands-on lab environments.

What’s included

1 year of access to unlimited courses & content

Unlimited exam attempts during your subscription

365 days of lab access

1 year of unlimited access to all fundamental content and OffSec curated Learning Paths

PEN-103 + unlimited KLCP exam attempts

PEN-210 + unlimited OSWP exam attempts

3 downloads of course material

FAQ

Syllabus

  1. Secure Configuration of Debian Part 1
  2. Secure Configuration of Debian Part 2
  3. Secure Configuration of NGINX
  4. Patching Linux Assets
  5. Introduction to AppArmor
  6. Introduction to SELinux
  7. Bash Scripting Basics

What prerequisites are necessary for this Learning Path?

What skills will I develop?

Is this Learning Path suitable for beginners?

How is OffSec's Web Administration different?


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