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

XK0-006 CompTIA Linux+ Practice Exams [2026]
Instructor Nex Arc
Nex Arc
1 course
English
XK0-006 CompTIA Linux+ Practice Exams [2026]
ONLY
97 left

XK0-006 CompTIA Linux+ Practice Exams [2026]

(4.90 with 39 reviews)
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

963
students
N/A
content
Jul 2026
updated
$14.99$0
Linux LPIC-1 (102-500) Exam Prep Questions *NEW*
Instructor Angel Gorgo
Angel Gorgo
1 course
English
Linux LPIC-1 (102-500) Exam Prep Questions *NEW*

Linux LPIC-1 (102-500) Exam Prep Questions *NEW*

4
students
N/A
content
Feb 2026
updated
$14.99
Red Hat RHCSA EX200 and OpenShift EX280: 1500 Exam Questions
Instructor Grow and Succed Academy
Grow and Succed Academy
1 course
English
Red Hat RHCSA EX200 and OpenShift EX280: 1500 Exam Questions

Red Hat RHCSA EX200 and OpenShift EX280: 1500 Exam Questions

498
students
N/A
content
Jun 2026
updated
$14.99
Ciberseguridad en Linux: Desde el Escaneo al Hardening
Instructor Beny Blanco
Beny Blanco
1 course
Spanish
Ciberseguridad en Linux: Desde el Escaneo al Hardening

Ciberseguridad en Linux: Desde el Escaneo al Hardening

(4.37 with 243 reviews)
11.3K
students
3.3 hours
content
Jun 2026
updated
$14.99
LPIC-1 101-500 and 102-500: 600 Practice Questions
Instructor oguzhan Boran
oguzhan Boran
1 course
English
LPIC-1 101-500 and 102-500: 600 Practice Questions
ONLY
87 left

LPIC-1 101-500 and 102-500: 600 Practice Questions

0
students
N/A
content
Sep 2026
updated
$14.99$0
LPI Linux Essentials 010-160: 480 Practice Questions
Instructor oguzhan Boran
oguzhan Boran
1 course
English
LPI Linux Essentials 010-160: 480 Practice Questions
ONLY
87 left

LPI Linux Essentials 010-160: 480 Practice Questions

0
students
N/A
content
Sep 2026
updated
$14.99$0
Linux Command Line Bootcamp: From Beginner to Advanced :20hr
Instructor Crack The Interview Co.
Crack The Interview Co.
1 course
English
Linux Command Line Bootcamp: From Beginner to Advanced :20hr

Linux Command Line Bootcamp: From Beginner to Advanced :20hr

0
students
20 hours
content
Sep 2026
updated
$14.99
Linux Internals & Architecture: The Complete Kernal Guide
Instructor ProgLang MainSt.
ProgLang MainSt.
1 course
English
Linux Internals & Architecture: The Complete Kernal Guide

Linux Internals & Architecture: The Complete Kernal Guide

(3.25 with 6 reviews)
85
students
7.5 hours
content
Dec 2025
updated
$14.99
LPI Security Essentials. Certificación Completa. Exámenes
Instructor Alvaro Chirou
Alvaro Chirou
1 course
Spanish
LPI Security Essentials. Certificación Completa. Exámenes

LPI Security Essentials. Certificación Completa. Exámenes

(4.68 with 64 reviews)
13.5K
students
20 hours
content
Mar 2025
updated
$17.99
CompTIA Linux+ (XK0-006) Practice Tests 2026
Instructor Kayla Morgan
Kayla Morgan
1 course
English
CompTIA Linux+ (XK0-006) Practice Tests 2026

CompTIA Linux+ (XK0-006) Practice Tests 2026

499
students
N/A
content
Mar 2026
updated
$14.99
CompTIA Linux+ XK0-005 Practice Tests 2026 | V7 & PBQs
Instructor Exam Certification
Exam Certification
1 course
English
CompTIA Linux+ XK0-005 Practice Tests 2026 | V7 & PBQs

CompTIA Linux+ XK0-005 Practice Tests 2026 | V7 & PBQs

610
students
N/A
content
Mar 2026
updated
$14.99
Linux Admin: Build Job-Ready Skills with 6 Projects
Instructor Mo Khalil
Mo Khalil
1 course
English
Linux Admin: Build Job-Ready Skills with 6 Projects

Linux Admin: Build Job-Ready Skills with 6 Projects

(4.51 with 60 reviews)
6.7K
students
6.0 hours
content
Aug 2026
updated
$14.99

Continue exploring

Topics related to Linux Security Hardening

  • Server Security53 courses1 live coupon
  • Linux Administration352 courses4 live coupons
  • RHEL System Administration17 courses
  • Network Security Essentials1,351 courses59 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 & Automation201 courses5 live coupons