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.

Pearson
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Operating System Administration, OS Process Management, Systems Administration, Remote Access Systems, System Configuration, Network Administration, General Networking, Software Installation, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Unix, Operating System Administration, Shell Script, Unix Shell, OS Process Management, Network Administration, Unix Commands, System Configuration, Command-Line Interface, System Monitoring, Operating Systems, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Command-Line Interface, Operating System Administration, System Monitoring, Unix Commands, File Systems, Unix, File Management, Software Installation, Virtual Machines, System Configuration, Operating Systems, Network Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache, File Transfer Protocol (FTP), Linux Servers, Linux Administration, Linux, Web Servers, Remote Access Systems, Command-Line Interface, Unix Commands, File Management, Network Protocols, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Git (Version Control System), Authentications, Collaborative Software, Linux Servers, Linux Administration, Version Control, Authorization (Computing), Open Source Technology
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: File Systems, Linux Administration, Linux Servers, Linux, Linux Commands, Software Installation, Data Storage, Data Management, System Configuration, Data Integrity, Data Migration, Command-Line Interface, System Monitoring, System Requirements
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, Linux Commands, Red Hat Enterprise Linux, Unix Commands, File Systems, Software Installation, Operating System Administration, File Management, Virtual Environment, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Linux Administration, Linux Servers, Linux, Dynamic Host Configuration Protocol (DHCP), General Networking, Network Protocols, Network Infrastructure, TCP/IP, Network Administration, Ubuntu, Red Hat Enterprise Linux, Servers, System Configuration, Command-Line Interface, YAML
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Systems, Linux Administration, Data Storage, Linux, Operating Systems, Linux Commands, Data Management, Systems Administration, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Linux, User Accounts, Command-Line Interface, Operating System Administration, Open Source Technology, Disaster Recovery, Red Hat Enterprise Linux, System Monitoring, Unix Commands, System Configuration, Systems Administration, Linux Commands, Security Controls, Firewall, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Systems Administration, Virtual Machines, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Storage vMotion, Hardening, Network Troubleshooting, Encryption
Intermediate · Course · 1 - 3 Months