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.

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Services, Cloud Platforms, Cloud Technologies, Cloud Solutions, Public Cloud, Cloud Computing Architecture, Cloud Infrastructure, Managed Services, Computing Platforms, Infrastructure As A Service (IaaS), Serverless Computing, Service Level, Microsoft Azure, Software As A Service, Hybrid Cloud Computing, Platform As A Service (PaaS), Virtual Machines, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, MySQL, Data Manipulation, Data Access, PostgreSQL, Data Management
Intermediate · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Ansible, IT Automation, YAML, Devops Tools, Infrastructure as Code (IaC), Automation, Scripting, System Configuration, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Command-Line Interface, Data Storage, DevOps, Development Environment, Application Deployment, General Networking, Mac OS, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Graphing, Data Analysis, Data Wrangling, Data Manipulation, Data Import/Export, Regression Analysis, Software Installation, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Billing Systems, Cloud Computing, Billing, Cloud Management, Cloud Services, Cost Management, Operating Cost, Cloud Platforms, Cost Control, Budget Management, Cloud Infrastructure, Dashboard, Resource Utilization, Budgeting, Virtual Machines, Multi-Cloud, Cost Accounting, Infrastructure As A Service (IaaS), Financial Management, Anomaly Detection
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, Docker (Software), Containerization, Git (Version Control System), Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, JSON, Object-Relational Mapping, Continuous Deployment, Python Programming, Object Oriented Programming (OOP), Data Structures
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Patient Preparation, Vital Signs, Patient Evaluation, Clinical Assessment, Health Assessment, Health Care, Patient Education and Support, Telecommunications, Patient Communication, Virtual Environment, Mental Status Examination, Technical Support
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Network Performance Management, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Object Oriented Programming (OOP), Web Development, Web Applications, Object Oriented Design, Application Frameworks, Programming Principles, Development Environment, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Testing, Open Web Application Security Project (OWASP), Business Logic, Development Testing, Secure Coding, Cryptography, Cybersecurity, Test Case, Identity and Access Management, Authentications, Vulnerability Assessments, Data Validation, Network Protocols, Authorization (Computing), Web Applications
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Architecture, Web Applications, Cloud Applications, Software Architecture, Software Engineering, Functional Requirement, Databases, Distributed Computing, Application Deployment, Application Development, Software Testing, System Design and Implementation, Middleware, Big Data, Scalability, Prototyping, CI/CD, Restful API, System Monitoring, Data Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks