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CBT Nuggets

Linux Security

This intermediate Linux security training covers key concepts for securing Linux systems, focusing on CompTIA Linux+ exam objectives. You'll learn about PAM configuration, SSH key management, file permissions, multi-factor authentication (MFA), firewalls, and encryption. This Linux training can be used for XK0-005 exam prep, or as a Linux resource for systems engineers.

Updated August 2019

8Skills
51Videos
7h 11mTotal
51 videos7h 11m

Who This Course Is For

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.

Skills Your Team Will Gain

  • 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

Course Curriculum

  • Premium skill.Understand Cryptography and Certificates56m
  • Premium skill.Understand Authentication51m
  • Premium skill.Harden Linux Systems49m
  • Premium skill.Implement Identity Management54m
  • Premium skill.Configure Firewalls49m
  • Premium skill.Configure and Execute Remote Connectivity57m
  • Premium skill.Understand Security-Enhanced Linux & Access Control60m
  • Premium skill.Understand Permissions56m

Readiness check

Confirm prerequisite knowledge before training begins

A short placement assessment on the CBT Nuggets assessments platform measures whether a learner already has the foundation this course assumes. IT Directors use it to put the right people in the right training — and any learner can take it right now to make sure they'll get full value from day one.

  • Questions generated from this course's own lesson transcripts — what gets measured is exactly what gets taught
  • Instant, per-learner results that show whether the prerequisite foundation is in place
  • Results roll up into team readiness reporting, so training hours go where they change outcomes

Runs on assessments.cbtnuggets.com — sign in with an Adept account so results roll up into team readiness reporting. Need one? Create an Adept account.

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