Linux security courses can help you learn system hardening, user access controls, network security protocols, and incident response strategies. You can build skills in configuring firewalls, implementing encryption techniques, and conducting security audits. Many courses introduce tools like iptables for firewall management, OpenSSL for encryption, and Wireshark for network analysis, showing how these skills are applied in practical work to protect systems from vulnerabilities and threats.

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Package and Software Management, Operating System Administration, Linux, Linux Servers, User Accounts, Systems Administration, Unix, User Provisioning, File Systems, Linux Commands, Identity and Access Management, Unix Commands, Operating Systems, Unix Shell, Command-Line Interface, Authorization (Computing), IT Infrastructure, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Kubernetes, Cloud Infrastructure, Linux Administration, Cloud Standards, Cloud Computing Architecture, Docker (Software), Public Cloud, Linux Servers, Containerization, Infrastructure as Code (IaC), Cloud Services, Infrastructure As A Service (IaaS), Virtual Machines, Linux, Cloud Computing, Operating System Administration, Linux Commands, Systems Administration, System Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
★ 4.8 (15) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Linux Administration, Package and Software Management, Linux, Ubuntu, Operating System Administration, File Systems, Command-Line Interface, Linux Commands, Linux Servers, Unix, Unix Commands, User Accounts, Systems Administration, Unix Shell, OS Process Management, Red Hat Enterprise Linux, Software Installation, File Management, User Provisioning, System Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Operating System Administration, Linux, Linux Servers, Virtualization, Systems Administration, Containerization, Virtualization and Virtual Machines, Linux Commands, Application Deployment, Virtual Machines, Server Administration, Data Maintenance, Virtual Networking, File Management, Disaster Recovery, Data Loss Prevention, OS Process Management, Service Management, User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Linux Administration, File Systems, OS Process Management, Linux, Linux Servers, Data Security, Authorization (Computing), Linux Commands, Security Controls, Data Loss Prevention, Operating System Administration, Information Systems Security, Hardening, System Monitoring, Data Storage Technologies, Network Security, Vulnerability Scanning, Data Storage, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Red Hat Enterprise Linux, Linux, Operating System Administration, IBM Cloud, Linux Commands, Virtualization, Systems Administration, Virtualization and Virtual Machines, Virtual Machines, Cloud Infrastructure, Cloud Computing, System Monitoring, Software Installation, System Configuration, Private Cloud, Remote Access Systems, Package and Software Management
★ 4.6 (138) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Authentications, Remote Access Systems, Linux Administration, User Accounts, Linux Commands, User Provisioning, Operating System Administration, Authorization (Computing), Identity and Access Management, Security Controls, System Configuration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, System Configuration, Digital Forensics
★ 4.7 (65) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Vulnerability Management, Metasploit, Cyber Security Assessment, Cybersecurity, Cyber Threat Intelligence, Threat Modeling, Security Testing, Active Directory, Threat Detection, Exploitation techniques, Network Security, Virtual Machines, Virtualization, Virtual Networking, Authentications, Linux, Web Applications
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Linux Administration, Linux, Systems Administration, Shell Script, Operating System Administration, Linux Servers, Web Servers, Apache, Unix Shell, Unix Commands, Linux Commands, File Systems, Nginx, Command-Line Interface, Unix, System Monitoring, Servers, Database Systems, Network Troubleshooting, Computer Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux, Linux Servers, Linux Commands, Scripting, Data Integrity
Intermediate · Course · 1 - 4 Weeks