In this course, we look at security and the Linux operating system. The course material is a good for anyone preparing for the Linux Foundation Certified IT Associate (LFCA) exam or just interested in learning more about Linux. This course is the third course in a series that aims to prepare you for working as an information technology professional. In this course, you will be introduced to ownership, authentication, and authorization. We will drill into creating security through backups and redundancy. We concluded by looking at how to secure the perimeter of our network and systems.
Securing Linux Systems
Securing Linux Systems
This course is part of Learning Linux for LFCA Certification Specialization
Instructor: Aspen Olmsted
6,327 already enrolled
Included with 
Gain insight into a topic and learn the fundamentals.
4.5
(101 reviews)
Beginner level
No prior experience required
13 hours to complete
3 weeks at 4 hours a week
Flexible schedule
Learn at your own pace
Skills you'll gain
Details to know
Shareable certificate
Add to your LinkedIn profile
Assessments
20 assignments
Taught in English
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This course is part of the Learning Linux for LFCA Certification Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 4 modules in this course
In this module, we look at security and the Linux operating system. We will start by applying permissions to files and directories. We then look at Access Control Lists (ACL) and how they are applied in Linux. We will explore Context-Based security controls. Lastly, we will think about account types and privilege escalation.
What's included
5 videos4 readings5 assignments1 discussion prompt1 ungraded lab
In this module, we look at ways to increase our Linux Security. We start by looking at Linux Pluggable Authentication Modules (PAM). PAM is a suite of libraries that allows a Linux system administrator to configure methods to authenticate users. We then look at Public Key Infrastructure (PKI) and its use in Secure Shell (SSH). We conclude by utilizing open Virtual Private Networks (VPN).
What's included
4 videos4 readings5 assignments1 discussion prompt
In this module, we look at both local and remote system logging. We will also look at backup and compression of the files on the system to allow recovery in response to a system incident. We will conclude with a deep dive of the different tools available in Linux for archive and restore.
What's included
5 videos4 readings5 assignments1 discussion prompt1 ungraded lab
In this module, we look at the security at the boundaries of your network and your host Linux system. We look at different Linux Firewall technologies and the implementation of access control rules in the firewalls. We then think about forwarding packets when we want to allow traffic through the firewall to another host machine. We conclude by looking at intrusion detection systems in Linux.
What's included
4 videos4 readings5 assignments1 discussion prompt
Instructor
Instructor ratings
4.2 (24 ratings)Offered by
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Showing 3 of 101
CC
5
Reviewed on Sep 16, 2023
The instructor was clear and the adding of the slides and extra access to materials were an absolute win for me.
DA
5
Reviewed on Jul 15, 2022
Teacher was very well spoken and easy to understand
JP
5
Reviewed on Aug 26, 2022
Excellent course with clear, short explainations about the main linux security topics. I feel comfortable to use Ubuntu linux now. Thanks a lot...
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Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
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