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Learn Linux Security Through Practical Steps (Udemy.com)

Linux administration security guide with practical hardening tips on how to prevent attacks on your Linux server

4.3
271 reviews

Created by: Carmen Balan

Last updated September 2024

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What you will learn

  • At the end of this course, you will be able to secure your Linux server by following the hardening tips I will show you throughout the videos
  • You will also know how to reduce the number of vulnerabilities of your server and decrease the chances to have it compromised by hackers

How it compares

Against the other 523 rated Udemy courses in Hacking on CourseDuck:

  • Rating4.3 out of 5higher than 21% of them
  • Reviews271#361 of 524 by number of reviews
  • Length2.1 hoursshorter than 80% of them
  • Last updatedSeptember 2024earlier than 58% of them

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Course Description

Mihai says: "We, as Linux users, have a wrong perspective about this OS, we think it's bulletproof by itself, although the ugly truth it's completely different. This course is one of the best ways to get to know Linux for real and its' security flaws. Congrats for the instructor, Carmen Balan, for the initiative."

Giussepe says "Clear explanation, simple but quite complete on may aspects of complex linux hardening job."

Leela says "Explained the concepts in a simplified manner."

Linux Servers provide many user transactions, which are constantly vulnerable to security threats, due to data sensitivity. To bring an application up and running on a server is an important thing, but without taking security measures, it can end up in a disaster. Although Linux is immune to some of the dangers Windows servers encounters, Internet is still a dangerous place. Therefore it's important to apply security measures to prevent malicious attacks like brute force attack, etc. 

This course was designed to show some practical tips on how to protect your server, that once applied, they will increase the level of security on your system and decrease the chances of it being compromised. 

Along with the video lectures, you will also find exercises to help you improve your hands-on experience. You will benefit for free from any new lectures and updates on the course.

Keep in mind that if you are not happy with the course, you can ask for a refund and take advantage of 30-Day Money-Back Guarantee.
Read More All Levels All Levels product length iconTime: 2.1h

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Instructor Details

Carmen Balan

I am a Linux System Administrator with more than 4 years experience, also M.Sc.Eng. in Computer Science. 

I also have several certifications for the field I work in such as: 

 - LPIC-1: System Administrator

 - LPIC-2: Linux Engineer

 - ITILv3 Foundation Level

- AWS Solution Architect Associate

I am glad to be part of Udemy Community and also very eager to share my passion and knowledge about Linux with you. 


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Reviews

4.3

271 ratings on Udemy

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By Keith Emerick on 3/11/2026

so far just basic stuff

By Anonymized User on 10/14/2025

This course is great for refreshing one's memory regarding security best practices in Linux

By Anonymized User on 8/14/2025

This course is about 10 years old and not at all relevant anymore in 2025 and I mean this literally. Init.d, VMware Workstation 12, Debian Jessie, iptables, fail2ban => these were lastly seen back in 2015. It looks like this course has been recorded in 2015 and then updated (without renewing it's content) in September 2024. This is not how you do Linux server hardening in 2025. In fact if you deal with more recent distributions most of this won't even work anymore.

By Dominick Devita on 10/10/2023

I truly enjoy this course; Gabriel does an excellent job of teaching a variety of topics that I was previously unaware of. Because I'm only halfway through the course, I'll update my final thoughts at the finish.

By Ramona Shaffer on 8/14/2023

This much-expected Linux Security course covers excellent material, and the consultant is an excellent teacher! I'm very pleased with it so far and am eager to finish it. good work

By Teodor Daskalov on 11/12/2018

Carmen is very knowledgeable and I like the way she explains things. This course is definitely worth the money and it is taking my Linux skills to a next level. Thank you, Carmen!!! ^_^

By Robert Young on 7/9/2018

Carmen explains the Linux security basics well, and at a steady pace. I would like to see more exercises so we can practice, and tougher tests to confirm our knowledge and review any weaknesses

By Petru Lucian Giurca on 12/2/2017

Buna Carmen! Compania la care lucrez ar avea nevoie de skill-urile tale pe zona de IT Infrastructure. Avem nevoie de o adresa de email pentru ca fetele de HR sa te poata contacta. Multumim!

By Matthias Ojeda Meyer on 8/6/2017

I think it was nicely done. Maybe you can add something about Tripwire and some more quizzes would be nice and I always think one big Quiz at the End going trough all topics helps the learning experience. Thanks that was useful :-)

By Gabriel Avramescu on 6/22/2017

I like this course and this instructor. I learned a lot of interesting stuff, although I'm not a beginner in Linux. The course is hands-on with practical approach.

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Overall Score : 86 / 100

Learn Linux Security Through Practical Steps
Visit course on Udemy Write a review
  • Video Duration: icon 2.1h
  • Price: $59.99
  • Provider: icon Udemy
  • Updated: icon September 2024
  • Level: All Levels All Levels
  • Language: icon English
  • Certificate: icon Yes
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