Linux Basics courses can help you learn command line navigation, file management, user permissions, and process management. You can build skills in shell scripting, system monitoring, and troubleshooting common issues. Many courses introduce tools like the Bash shell, Git for version control, and text editors such as Vim or Nano, showing how these skills are applied in real-world environments to manage servers and automate tasks.

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Communication Planning, Target Audience, Campaign Planning, Corporate Communications, Stakeholder Communications, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Brand Strategy, Communication Strategies, Integrated Marketing Communications, Target Market, Media Planning, Promotional Strategies, Branding, Earned Media, Brand Management, Business Strategy
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Life Support, Emergency and Intensive Care, Patient Evaluation, First Aid, Patient Positioning, Patient Transport, Airway Management, Health Assessment, Emergency Medical Services, Mobility Assistance, Safety Assurance, Clinical Assessment, Trauma Care, Medical History Documentation, Vital Signs, Neurology, Treatment Planning, Patient Safety
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Verification And Validation, Linux Commands, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Portfolio Risk, Portfolio Management, Financial Analysis, Financial Data, Analysis, Data Analysis, Risk Management, Quantitative Research, Investment Management, Performance Analysis, Risk Analysis, Analytics, Financial Acumen, Investments, Asset Management, Performance Metric, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Application Deployment, Cloud-Native Computing, Scalability, Containerization, Docker (Software), API Gateway, Devops Tools, Cloud Applications, Cloud Storage, Network Troubleshooting, Authentications, DevOps, Development Environment, Debugging, YAML, Software Installation, Google Cloud Platform, Network Protocols, Application Programming Interface (API)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Memory Management, Integrated Development Environments
Beginner · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Troubleshooting, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

HubSpot Academy
Skills you'll gain: Sales Enablement, Prospecting and Qualification, Sales Strategy, Sales Operations, Sales, Sales Process, Customer Success Management, Content Marketing, Target Audience, Customer Retention, Content Strategy, Persona Development, Customer Engagement, Customer Insights, Content Creation, Goal Setting, Meeting Facilitation, Service Level Agreement, Writing, Business Writing
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Critical Thinking and Problem Solving, Logical Reasoning, Analytical Skills, Deductive Reasoning, Critical Thinking, Problem Solving, Complex Problem Solving, Computational Logic, Applied Mathematics, Combinatorics, Geometry, Arithmetic
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Job Evaluation, Compensation Analysis, Compensation Strategy, Compensation Management, Job Analysis, Compensation and Benefits, Data Visualization, Data Analysis, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Systems, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Program Development, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Database Theory, Databases
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months