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.

Board Infinity
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Drupal, Content Management Systems, Content Management, Project Management Life Cycle, Business Requirements, Requirements Analysis, Content Development and Management, Business Analysis, Web Design and Development, UI Components, Blogs, Driving engagement, Application Deployment, Portfolio Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Middleware, .NET Framework, Restful API, Application Programming Interface (API), C# (Programming Language), API Design, Databases, Performance Tuning, Data Persistence, Web Development, Scalability, Development Environment, Web Applications, Web Analytics, Application Security
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, Cloud Applications, OAuth, Web Development Tools, Database Management Systems, Devops Tools, Web Applications, Database Management, Software Development Tools, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Application Deployment, Software Development, Application Development
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Agentic Workflows, Application Deployment, Google Cloud Platform, Cloud Security, Agentic systems, Cloud Deployment, LLM Application, Data Access, Enterprise Security, Cloud Infrastructure, Data Management, Data Integration, AI Integrations
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Scripting, Cryptographic Protocols, Scripting Languages, Transaction Processing, Encryption, Payment Systems, Secure Coding, FinTech, Application Development, Programming Principles, Verification And Validation, Scalability
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Cloud Infrastructure, Cloud Security, Cloud Deployment, Network Troubleshooting, Cloud Platforms, Cloud Technologies, Cloud Computing
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Automation, Social Sciences, Electrical Systems, Social Impact, Socioeconomics, Electric Power Systems, Emerging Technologies, Sustainable Technologies, Economics, Policy, and Social Studies, Social Justice, Sustainable Development, Health Technology, Public Policies, Environmental Issue, Public Affairs, Policy Analysis, Climate Change Mitigation, Safety and Security, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Routers, System Configuration, Event Monitoring, Software Architecture, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Application Servers, Enterprise Application Management, DevOps, System Configuration, Java Platform Enterprise Edition (J2EE), Server Administration, Java, Data Access, Security Management, Servers, Middleware, Development Environment, Application Development, Build Tools
Beginner · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Data Governance, Gmail, Google Workspace, Data Loss Prevention, Data Management, Information Management, Data Security, Security Controls, Email Security, Data Storage, Record Keeping, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI, AI literacy, Google Cloud Platform, Data Store, Data Management, Information Management, Analytics, AI Security, Data Integration, Unstructured Data, Application Programming Interface (API), System Configuration, Identity and Access Management
Intermediate · Course · 1 - 3 Months