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Make your Linux system more secure with these tools and techniques.

9 videos  //  62 minutes of training

Course description

Linux has a variety of tools to help admins monitor system security. Examples include commands to see user logins, to block individual users or non-root logins, to view what files are open and to prevent “forkbombs” that cause system crashes. This course takes you through these tools, as well as reviews network security defense methods like firewalls, traffic filtering tables and network scanning and mapping.

Course syllabus

System Security Part 1Duration: 7:08

System Security Part 2Duration: 6:41

Network Security Part 1Duration: 6:48

Network Security Part 2Duration: 8:00

Network Security Part 3Duration: 5:23

Network Security Part 4Duration: 6:38

Network Security Part 5Duration: 6:25

Network Security Part 6Duration: 7:04

Network Security Part 7Duration: 7:29

Meet the author



At Infosec, we believe knowledge is the most powerful tool in the fight against cybercrime. We help IT and security professionals advance their careers with a full regimen of certification and skills training. We also empower all employees with security awareness training to stay cybersecure at work and home. Driven by smart people wanting to do good, Infosec educates entire organizations on how to defend themselves from cybercrime. That’s what we do every day — equipping everyone with the latest security skills so the good guys win.

You're in good company

"Comparing Infosec to other vendors is like comparing apples to oranges. My instructor was hands-down the best I’ve had." 

James Coyle

FireEye, Inc.

"I knew Infosec could tell me what to expect on the exam and what topics to focus on most."

Julian Tang

Chief Information Officer

"I’ve taken five boot camps with Infosec and all my instructors have been great."

Jeffrey Coa

Information Security Systems Officer

Plans and pricing





$599 / license

Annually. Includes all content plus team admin and reporting.