Ubuntu Linux courses can help you learn system administration, command line usage, network configuration, and software installation. You can build skills in troubleshooting, user management, and scripting with Bash. Many courses introduce tools like the terminal, package managers such as APT, and configuration files, demonstrating how these skills are applied in real-world environments.

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Cyber Security Assessment, Vulnerability Scanning, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Vulnerability Management, Security Testing, Cybersecurity, Linux, Technical Documentation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Hardening, Cyber Threat Hunting, Operating System Administration, Threat Modeling, Exploitation techniques, Linux Commands, Intrusion Detection and Prevention, Cyber Operations, Linux, Cybersecurity, Cyber Security Strategy, Network Security, Network Monitoring, Operating Systems, Cyber Attacks, Cyber Engineering, Network Administration, Security Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Vulnerability Assessments, Infrastructure Security, Network Infrastructure, Threat Modeling, Network Monitoring, Distributed Denial-Of-Service (DDoS) Attacks, IT Security Architecture, Firewall, Authorization (Computing), Cybersecurity, Role-Based Access Control (RBAC), TCP/IP, Network Protocols, Identity and Access Management, Security Controls, Malware Protection, Network Model, Exploitation techniques
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploit development, OSI Models, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Cybersecurity, Vulnerability Scanning, Cyber Operations, Malware Protection, Network Protocols, Security Testing, Cyber Attacks, Wireless Networks, Application Security, Cyber Security Assessment, Network Monitoring, Linux, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Networking Hardware, General Networking, Network Architecture, Wireless Networks, Network Protocols, Computer Networking, TCP/IP, Local Area Networks, Network Security, Network Troubleshooting, System Configuration, Wide Area Networks, Servers
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interactive Data Visualization, Plot (Graphics), R (Software), Hypertext Markup Language (HTML), Software Installation, Package and Software Management, R Programming, Integrated Development Environments, Cloud Development
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: C# (Programming Language), Restful API, ASP.NET, Model View Controller, .NET Framework, Docker (Software), Azure DevOps, Object Oriented Programming (OOP), Azure DevOps Pipelines, Microservices, Containerization, JSON, Application Programming Interface (API), API Design, DevOps, Web Services, Middleware, CI/CD, Object Oriented Design, Application Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Application Deployment, Virtual Machines, Web Applications, Cloud Hosting, Public Cloud, Linux Servers, Apache, Remote Access Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub Copilot, Microsoft Copilot, Prompt Engineering, GitHub, Prompt Patterns, AI Integrations, Development Environment, Software Installation
Beginner · Course · 1 - 4 Weeks