This course delves into critical security aspects, from local security enhancements to advanced mandatory access control techniques. Begin by mastering file access control lists and file system attributes to bolster local security. Progress to configuring robust Linux firewalls using tools like firewalld and UFW, ensuring your systems are well-protected against unauthorized access. Finally, gain in-depth knowledge of mandatory access control with AppArmor and SELinux, learning to manage file and port access with precision. Through hands-on labs and real-world scenarios, this course equips you with the practical skills and confidence needed to secure Linux systems comprehensively.
Linux Foundation Certified System Administrator (LFCS): Unit 5
Linux Foundation Certified System Administrator (LFCS): Unit 5
This course is part of Linux Foundation Certified System Administrator (LFCS) Specialization
Instructor: Pearson
Included with 
Gain insight into a topic and learn the fundamentals.
Intermediate level
Recommended experience
2 hours to complete
Flexible schedule
Learn at your own pace
What you'll learn
Master local security enhancements using file access control lists and file system attributes.
Develop proficiency in configuring Linux firewalls with firewalld and UFW.
Gain expertise in mandatory access control using AppArmor and SELinux.
Acquire practical skills through hands-on labs and real-world scenarios.
Skills you'll gain
Details to know
Shareable certificate
Add to your LinkedIn profile
Recently updated!
July 2025
Assessments
3 assignments
Taught in English
See how employees at top companies are mastering in-demand skills
Build your subject-matter expertise
This course is part of the Linux Foundation Certified System Administrator (LFCS) Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
- Learn new concepts from industry experts
- Gain a foundational understanding of a subject or tool
- Develop job-relevant skills with hands-on projects
- Earn a shareable career certificate
There is 1 module in this course
This module is about security and contains three lessons. In the first, you'll learn to work with local security settings. Next, you'll learn about Linux firewalls. And in the last lesson in this module, I'll explain how to apply mandatory access control using either Apparmor or SELinux.
What's included
26 videos3 assignments
Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV. Share it on social media and in your performance review.
Explore more from Support and Operations
Status: Free Trial
Status: Free TrialLearnQuest
Status: Free Trial
Status: Free TrialLearnQuest
Why people choose Coursera for their career
Felipe M.
Learner since 2018
"To be able to take courses at my own pace and rhythm has been an amazing experience. I can learn whenever it fits my schedule and mood."
Jennifer J.
Learner since 2020
"I directly applied the concepts and skills I learned from my courses to an exciting new project at work."
Larry W.
Learner since 2021
"When I need courses on topics that my university doesn't offer, Coursera is one of the best places to go."
Chaitanya A.
"Learning isn't just about being better at your job: it's so much more than that. Coursera allows me to learn without limits."
Open new doors with Coursera Plus
Unlimited access to 10,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy
Frequently asked questions
Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
More questions
Financial aid available,