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.

The State University of New York
Skills you'll gain: Collaboration, Teamwork, Adaptability, Verbal Communication Skills, Critical Thinking, Communication, Creative Thinking, Emotional Intelligence, Resilience, Problem Solving, Analytical Skills, Innovation, Accountability, Motivational Skills, Team Motivation, Logical Reasoning, Organizational Skills, Decision Making, Human Resources, Time Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: End User Training and Support, Problem Management, Data Preprocessing, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Software Technical Review, Application Development, Cloud Applications, Application Programming Interface (API), System Monitoring, Application Performance Management, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Site Reliability Engineering, Incident Management, System Monitoring, Network Monitoring, Prometheus (Software), Google Cloud Platform, Application Performance Management, Continuous Monitoring, Kubernetes, Cloud Applications, Security Information and Event Management (SIEM), Service Level, Firewall, Cloud Computing, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Containerization, Docker (Software), Cloud-Native Computing, Application Deployment, Data Persistence, Configuration Management, Amazon Web Services, YAML, Microservices, Cloud Deployment, Command-Line Interface
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, AI Security, Machine Learning, Information Privacy, Personally Identifiable Information, Ethical Standards And Conduct, Artificial Intelligence, Data Security, Data Governance, Cybersecurity, Algorithms
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Computing, Cloud Management, Cloud-Native Computing, Cloud Applications, Cloud Deployment, Disaster Recovery, Virtual Networking, DevOps, Virtualization, Amazon Web Services, Cloud Storage, Cloud Security, CI/CD, Business Continuity, Cost Management, Scalability
Build toward a degree
Beginner · Course · 1 - 3 Months
Skills you'll gain: Model Deployment, Generative AI, Transfer Learning, Kubernetes, Containerization, Docker (Software), Cloud Infrastructure, Scalability, Prompt Engineering, MLOps (Machine Learning Operations), AI Orchestration, Large Language Modeling, AI Security, Performance Tuning, Continuous Deployment, Continuous Monitoring, Development Environment, Process Optimization, Automation, Job Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, Google Cloud Platform, Data Processing, Systems Design, Data Storage, Data Architecture, Data Warehousing, Data Migration, Data Analysis, Data Transformation, Data Management, Data Preprocessing, Automation, Data Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: Ansible, Kubernetes, Virtual Machines, Devops Tools, Containerization, Docker (Software), Virtualization and Virtual Machines, IT Automation, Amazon Web Services, Microsoft Azure, Operating System Administration, Infrastructure as Code (IaC), Microsoft Windows, Network Administration
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Professional Networking, LinkedIn, digital literacy, Ethical Standards And Conduct, Facebook, Instagram, Digital Media Strategy, Media and Communications, Professional Development, Safety and Security, Digital Marketing, Cybersecurity, Information Privacy, Content Creation, Digital Communications, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Brute-force attacks, Cryptography, Encryption, Python Programming, Scripting, User Interface (UI), Statistical Programming, UI Components, Application Development
Mixed · Course · 1 - 4 Weeks