Skills you'll gain: Operating Systems, C (Programming Language), Performance Tuning, Virtual Machines, System Programming, Virtualization, Linux
Advanced · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Relational Databases, Database Management, SQL, Databases, Database Design, Database Management Systems, Database Architecture and Administration, Information Systems, MySQL, Query Languages, Data Modeling, Transaction Processing, Information Systems Security, Performance Tuning, Conceptual Design
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Threat Modeling, Human Factors (Security), Web Development, Web Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Network Troubleshooting, Computer Networking, Information Systems Security, Cloud Management, Linux, IT Infrastructure, Cybersecurity, Microsoft Windows, Network Security, Network Protocols, TCP/IP, Application Security, Systems Administration, Remote Access Systems, Desktop Support, Technical Support, Lightweight Directory Access Protocols, Help Desk Support, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

Peking University
Skills you'll gain: Legal Research, Legal Writing, Writing, Research, Writing and Editing, Research Methodologies, Report Writing, Journals, Databases
Mixed · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux, TCP/IP, Scripting, Shell Script, Network Monitoring, Network Analysis, Network Security, Network Protocols
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Cloud Hosting, HTML and CSS, Web Design and Development, GitHub, Web Servers, Web Content, Web Design
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Security, Load Balancing, User Accounts, Apache, Web Servers, System Configuration, Command-Line Interface, Linux, Debugging, Network Routing
Beginner · Course · 1 - 4 Weeks

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

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Command-Line Interface, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Shell Script, File Management
Beginner · Course · 1 - 4 Weeks

MongoDB Inc.
Skills you'll gain: MongoDB, Database Management, Databases, NoSQL, Data Modeling, Database Design, Data Integrity, Data Storage, Cloud Deployment, Cloud Platforms, Scalability, Application Development
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Application Servers, Web Applications, Development Environment, Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, UI Components, Event-Driven Programming, User Interface (UI), Virtual Machines, Data Structures, Command-Line Interface, Software Installation
Intermediate · Specialization · 3 - 6 Months