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.

Lund University
Skills you'll gain: Clinical Psychology, Precision Medicine, Psychotherapy, Mental and Behavioral Health Specialties, Mental Health Therapies, Patient Evaluation, Mental Health Diseases and Disorders, Large Language Modeling, Diagnostic Tests, Psychological Evaluations, Artificial Intelligence, LLM Application, AI Personalization, Mental and Behavioral Health, Mental Health, Treatment Planning, Generative AI, Natural Language Processing, Machine Learning, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Health Informatics, Health Technology, Health Information Management and Medical Records, Clinical Informatics, Health Information Management, Electronic Medical Record System, Health Care, Medical Records, Health Systems, Healthcare Industry Knowledge, Electronic Medical Record, Informatics, Usability, Interoperability, Telehealth, ICD Coding (ICD-9/ICD-10), Responsible AI, Human Computer Interaction, Health Care Procedure and Regulation, Computerized Physician Order Entry
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
★ 4.5 (484) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Relational Databases, Databases, SQL, Big Data, Database Systems, Database Management Systems, NoSQL, Operational Databases, Data Warehousing, Data Management, Query Languages, Virtual Machines, Data Storage, Data Analysis, Unstructured Data
★ 4.7 (1.1K) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Security Management, Incident Response, Risk Management, Computer Security Incident Management, Cyber Security Policies, IT Management, Cyber Governance, Risk Management Framework, Business Risk Management, Incident Management, Information Systems Security, Security Strategy, Law, Regulation, and Compliance, Enterprise Risk Management (ERM), Cyber Security Strategy, Information Management, Risk Control, Regulatory Compliance, Business Ethics, Data Ethics
★ 4.8 (52) · Beginner · Course · 1 - 3 Months

Google Cloud
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, IT Security Architecture, Cloud Computing Architecture, Software Architecture, AWS Identity and Access Management (IAM), Solution Architecture, AWS CloudFormation, Amazon Elastic Compute Cloud, Cloud Deployment, Amazon S3, Cloud Security, Enterprise Architecture, Network Planning And Design, Infrastructure Architecture, Cloud Solutions, Serverless Computing, Amazon DynamoDB, Network Architecture, Scalability, Cloud Storage
★ 4.7 (262) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Financial Trading, Market Liquidity, Securities Trading, Market Trend, Risk Analysis, Financial Market, Equities, Risk Management, Market Dynamics, Risk Management Framework, Market Opportunities, Trend Analysis, Market Analysis, Analysis, Applied Behavior Analysis, Positive Behavior Support, Probability, Probability Distribution, Technical Support and Services
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
★ 4.5 (710) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Data Ethics, Personally Identifiable Information, Generative AI, AI Security, AI literacy, Information Privacy, Risking, Artificial Intelligence, Amazon Web Services, AI Workflows, AI Personalization, Solution Design, Model Deployment, Natural Language Processing, AI Integrations, Managed Services, Image Analysis, Law, Regulation, and Compliance, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Database Systems, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts
★ 4.4 (272) · Intermediate · Course · 1 - 3 Months