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.

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: Ubuntu, Operating System Administration, TCP/IP, Security Controls, Service Management, File Management, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Cryptography, Operating Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Ubuntu, Shell Script, Linux Commands, Unix Shell, Unix Commands, Command-Line Interface, OS Process Management, File Management, Virtualization, Virtual Machines, Software Installation
Beginner · Course · 1 - 3 Months

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: Linux Commands, Network Administration, Network Analysis
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Authentications, Authorization (Computing), Network Security, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, File Management, Systems Administration, Cybersecurity, Information Technology
Beginner · 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: Shell Script, User Accounts, Linux Administration, Linux, Unix Shell, Linux Commands, Unix, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Data Storage, Authorization (Computing), Command-Line Interface, Operating Systems, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, User Accounts, Identity and Access Management, Authentications, Virtual Machines, Virtualization, Operating System Administration, Security Controls, System Configuration, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Command-Line Interface, Linux, Linux Servers, Unix, File Systems, File Management
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Linux Administration, Linux Servers, Virtual Networking, Infrastructure As A Service (IaaS), Security Management
Intermediate · Course · 1 - 4 Weeks