Description
Hands-On Linux Security: Hardening Linux Systems is a course on how to assess, secure, monitor, and harden Linux systems against common security threats published by Udemy Online Academy. This course is suitable for Linux administrators, DevOps engineers, SRE engineers, IT professionals, and cybersecurity learners. It focuses on applying essential security principles such as defense in depth, least privilege, security monitoring, and systematic risk mitigation, and views security hardening as an ongoing process, not a one-time configuration change. Learners begin by laying the groundwork for core Linux security concepts and understand what defense in depth really means in practice, why least privilege is important to limiting the damage a compromised account or process can do, and how continuous security monitoring fits into an overall risk mitigation strategy. This conceptual foundation shapes how learners approach each subsequent technical task. The course then explores and assesses real systems, using tools such as Nmap, Lynis, OpenSCAP, ss, and lsof to map attack surfaces and assess existing security configurations.
Learners practice identifying open ports, running services, and configuration weaknesses that could be exploited, building on the same assessment habits used in professional security audits. A significant portion of the course focuses on detection and investigation, teaching learners how to use Auditd, Ausearch, and Journalctl to detect suspicious activity and examine system logs when something seems suspicious. These skills are essential for understanding not only whether a system is securely configured, but also whether it has actually been targeted or compromised. The course concludes with practical protection measures against common threats, covering Fail2ban for blocking repeated attack attempts, OpenSSL for managing encryption and certificates, and ClamAV and Rkhunter for malware and rootkit detection. By the end of the course, learners will have hands-on experience implementing a complete, layered approach to security on real Linux servers.
What you will learn in Hands-On Linux Security: Hardening Linux Systems:
- Understand core Linux security concepts, including defense in depth, least privilege, and security monitoring
- Discover and assess Linux systems using tools such as Nmap, Lynis, OpenSCAP, ss, and lsof
- Detect and investigate security events with Auditd, Ausearch, and Journalctl
- Protect Linux servers against common threats using Fail2ban, OpenSSL, ClamAV, and Rkhunter
- and …
Course specifications
Publisher: Udemy
Instructors: Abe Bazouie
Language: English
Level: Introductory to Advanced
Number of Lessons: 17
Duration: 1h 9m
Course topics on 2026/7

Hands-On Linux Security: Hardening Linux Systems Prerequisites
Basic Linux command-line experience
A Linux system (physical machine, VM, cloud instance, or WSL)
No prior cybersecurity experience required
Pictures

Hands-On Linux Security: Hardening Linux Systems introduction video
Installation guide
After Extract, watch with your favorite Player.
Subtitle: None
Quality: 1080p
Downloadly link
Rapidgator link
File password (s): www.downloadly.ir
Size
1.5 GB


