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: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Unix, Database Management, Command-Line Interface, Relational Databases, Authorization (Computing), Authentications, User Accounts
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, Linux Commands, User Accounts, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, File Management, System Monitoring, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Malware Protection, Cyber Threat Intelligence, Exploitation techniques, Cybersecurity, Threat Detection, Email Security, Vulnerability Assessments, Human Factors (Security), Network Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Security Testing, Vulnerability Assessments, Wireless Networks, Network Security, Linux Commands, Microsoft Windows, Cryptography, Operating Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Malware Protection, Mobile Security, Cyber Operations, Scripting, Android (Operating System), Command-Line Interface, Authentications, Network Analysis, Automation, Virtual Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Cloud Computing, Linux Commands, Linux Administration, Linux Servers, Cloud Security, Operating Systems, Windows PowerShell, Windows Servers, File Systems, System Software, Mac OS, Command-Line Interface, Active Directory, Computer Systems, Virtual Machines, Firewall, Virtualization, Containerization, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Firewall, Zero Trust Network Access, Linux Administration, Network Security, Security Strategy, Remote Access Systems, Linux, Security Controls, Unix, Ubuntu, Systems Administration, System Configuration
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Linux Servers, Linux Commands, Operating System Administration, Red Hat Enterprise Linux, Performance Tuning, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: File Management, Linux Administration, OS Process Management, Linux, Linux Servers, Data Security, Linux Commands, Continuous Monitoring, Information Systems Security, Data Storage Technologies, Network Security, Vulnerability Scanning, Data Storage, Intrusion Detection and Prevention, Encryption, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Hardening, Linux, Application Security, Operating System Administration, Security Controls, Service Management, Patch Management, Information Systems Security
Intermediate · Course · 1 - 4 Weeks

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

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