COMIDOC
CouponsFreeTopics
COMIDOC
CouponsVerified CouponsFreeFree CoursesTopicsTopics
React
AdvertiseSubmit Course

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

TelegramTwitterFacebookRSS

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

ChromeFirefoxEdgeSafari

Useful links

Discover

  • Blog
  • Daily Freebies
  • Most Wanted Coupons
  • Coupon Statistics
  • Top Contributors
  • Udemy Sale Calendar

Services

  • Pricing
  • Advertise Here
  • Developer API
  • Submit Coupon

Comidoc

  • About
  • Contact
  • Data License
  • Privacy
  • Service status
  • Terms

© 2017–2026 Comidoc

v6.6.242

Independent coupon discovery for Udemy learners

Course topic

Linux Security Hardening

  1. Topics
  2. IT & Software
  3. Linux Security Hardening
Also indexed asServer Security · SELinux · Network Security

Implement crucial security measures, including SELinux and firewall management, for robust Linux servers.

  1. Topics
  2. IT & Software
  3. Linux Security Hardening
Also indexed asServer Security · SELinux · Network Security
Courses indexed
72
Live offers
5

Catalog controls

Red Hat Server Hardening
Instructor Fidel DominguezValero
Fidel DominguezValero
1 course
Spanish
Red Hat Server Hardening

Red Hat Server Hardening

(4.56 with 387 reviews)
20.4K
students
16 hours
123456
Filters

72

Results

5

Live offers

Price & availability

Course Type

Sort by

Last Course Update

Only < 1 year

Level

Duration

Rating

Languages

Filters

72

Results

content
Oct 2019
updated
FREE
Migração do Windows para o Linux Completo para Iniciantes
Instructor Arnaldo Sousa | Ex-Sun (Criadora do Java) | CKA, CKAD, Orientação Objeto, QA Tester, Backend, GKE, AKS, EKS
Arnaldo Sousa | Ex-Sun (Criadora do Java) | CKA, CKAD, Orientação Objeto, QA Tester, Backend, GKE, AKS, EKS
1 course
Portuguese
Migração do Windows para o Linux Completo para Iniciantes

Migração do Windows para o Linux Completo para Iniciantes

(4.92 with 197 reviews)
8.0K
students
5.6 hours
content
Apr 2026
updated
$14.99
Practical Linux Account Security and Hardening
Instructor Frank Anemaet
Frank Anemaet
1 course
English
Practical Linux Account Security and Hardening

Practical Linux Account Security and Hardening

(4.75 with 4 reviews)
2.0K
students
31 minutes
content
Feb 2024
updated
$14.99
Linux Essentials to Expert: A Complete Masterclass
Instructor Vijay Patel
Vijay Patel
1 course
English
Linux Essentials to Expert: A Complete Masterclass

Linux Essentials to Expert: A Complete Masterclass

(4.00 with 7 reviews)
1.6K
students
2.5 hours
content
Nov 2024
updated
$14.99
Computer Forensics and Digital Forensics Masterclass PRO+
Instructor OCSALY Academy | 560.000+ Students
OCSALY Academy | 560.000+ Students
1 course
English
Computer Forensics and Digital Forensics Masterclass PRO+

Computer Forensics and Digital Forensics Masterclass PRO+

(4.22 with 915 reviews)
84.8K
students
20 hours
content
Oct 2025
updated
$17.99
5 projects: Writing CYBER SECURITY software in C language
Instructor dr Jonas Birch, C programming ninja
dr Jonas Birch, C programming ninja
1 course
English
5 projects: Writing CYBER SECURITY software in C language

5 projects: Writing CYBER SECURITY software in C language

(4.75 with 16 reviews)
508
students
8.0 hours
content
Feb 2025
updated
$14.99
Mastering Iptables Firewall
Instructor Vipin Gupta
Vipin Gupta
1 course
English
Mastering Iptables Firewall

Mastering Iptables Firewall

(4.81 with 140 reviews)
988
students
6.9 hours
content
Jan 2026
updated
$14.99
CompTIA Linux+ (XK0-005)
Instructor Stone River eLearning
Stone River eLearning
1 course
English
CompTIA Linux+ (XK0-005)

CompTIA Linux+ (XK0-005)

(4.67 with 20 reviews)
140
students
18 hours
content
May 2023
updated
$14.99
Linux-Zertifizierung - Enterprise System Administration III
Instructor René Fürst
René Fürst
1 course
German
Linux-Zertifizierung - Enterprise System Administration III

Linux-Zertifizierung - Enterprise System Administration III

(4.61 with 54 reviews)
1.2K
students
14 hours
content
Sep 2023
updated
$14.99
Linux Mastery: Beginner to Pro and LPIC-1 (102-500) + Exams
Instructor Haseeb Nasir
Haseeb Nasir
1 course
English
Linux Mastery: Beginner to Pro and LPIC-1 (102-500) + Exams

Linux Mastery: Beginner to Pro and LPIC-1 (102-500) + Exams

100
students
32 hours
content
Apr 2026
updated
$14.99
CompTIA Linux+ (Exam LX0-101)
Instructor VTC Software Training
VTC Software Training
1 course
English
CompTIA Linux+ (Exam LX0-101)

CompTIA Linux+ (Exam LX0-101)

(4.26 with 23 reviews)
134
students
9.8 hours
content
Sep 2013
updated
$34.99
Secure Shell (SSH) Complete Training Course - Master SSH
Instructor Moe T
Moe T
1 course
English
Secure Shell (SSH) Complete Training Course - Master SSH

Secure Shell (SSH) Complete Training Course - Master SSH

(4.07 with 473 reviews)
8.8K
students
2.4 hours
content
Oct 2024
updated
$14.99

Continue exploring

Topics related to Linux Security Hardening

  • Server Security53 courses1 live coupon
  • Linux Administration354 courses4 live coupons
  • RHEL System Administration17 courses
  • Network Security Essentials1,355 courses60 live coupons
  • Security Baselines10 courses
  • CompTIA Linux+ Exam34 courses
  • Kali Linux Essentials145 courses
  • Linux Administration209 courses2 live coupons
  • LPIC-1 Certification36 courses1 live coupon
  • Shell Scripting & Automation202 courses5 live coupons