Claim your FREE 7-day trial

System Administration

Get an comprehensive view of system admin tasks such as user and group management.

10 videos  //  63 minutes of training

Course description

In the multi-user Linux environment, user controls are critical for security, and this course provides a granular view of the tools and command lines you need to manage user permissions and privileges. Areas covered include creating, modifying, deleting and managing user accounts and groups; disabling and deleting accounts; and managing file ownership and permissions.

Course syllabus

Users and GroupsDuration: 6:16

Privilege EscalationDuration: 4:56

User Accounts Part 1Duration: 4:37

User Accounts Part 2Duration: 5:56

Modifying UsersDuration: 7:12

Creating, Modifying and Deleting GroupsDuration: 4:11

Deleting and Disabling AccountsDuration: 3:39

File Ownership Part 1Duration: 8:03

File Ownership Part 2Duration: 8:23

File Ownership Part 3Duration: 9:21

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.