University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Theory, Database Management, Data Modeling, Databases, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Red Hat
Skills you'll gain: Ansible, Linux Commands, Linux Administration, Linux, Infrastructure as Code (IaC), YAML, Automation, DevOps, Configuration Management, Software Architecture
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Linux Servers, Linux Commands, Operating System Administration, Red Hat Enterprise Linux, Performance Tuning, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Apache Cassandra, Google Cloud Platform, Database Administration, Operational Databases, Query Languages, Database Design, Database Management
Beginner · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Debugging, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Pseudocode, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Distributed Computing, Scalability, Software Architecture, Big Data, Operating Systems, Performance Tuning, File Systems, Cloud Development, Scripting, Command-Line Interface, C and C++, Linux, Data Sharing, OS Process Management, Communication Systems, Artificial Intelligence
Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Kubernetes, Identity and Access Management, Google Cloud Platform, Containerization, Cloud Management, Cloud Computing, Cloud Infrastructure, Cloud-Native Computing, Application Deployment, Command-Line Interface, Continuous Delivery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Administration, Event Monitoring, Software Installation, System Configuration, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: SQL, Database Systems, Database Theory, Database Management, Query Languages, Database Design, Relational Databases, Database Administration, Database Application, Data Access, Data Science, Data Analysis, Data Manipulation, Data Modeling, Data Integrity
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Malware Protection, Mobile Security, Cyber Operations, Scripting, Android (Operating System), Command-Line Interface, Authentications, Network Analysis, Automation, Virtual Environment
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Red Hat Enterprise Linux, Linux, Private Cloud, Linux Administration, Package and Software Management, Command-Line Interface, Operating System Administration, File Systems, Linux Commands, Linux Servers, User Accounts, IBM Cloud, Unix Shell, File Management, OS Process Management, Cloud Management, Infrastructure As A Service (IaaS), Systems Administration, Virtualization, Cloud Computing
Intermediate · Specialization · 3 - 6 Months