Master essential Linux command line skills through hands-on practice. Learn to navigate the filesystem, manage files, search for content, control permissions, manage processes, and write shell scripts. Interactive terminal exercises in your browser make learning practical and engaging.
12 módulos • 40 aulas
Master the fundamentals of SQL from scratch. Learn to query, manipulate, and design databases using PostgreSQL. Build real-world database systems through hands-on exercises and a capstone project. No prior database experience required.
Master Docker containerization from fundamentals to production deployment. Learn to build, run, and manage containers, create Dockerfiles, work with Docker Compose, and deploy multi-container applications. Essential DevOps skills for modern development workflows.
Master npm and JavaScript package management from the ground up. Learn package.json configuration, dependency management, semantic versioning, npm scripts, and security best practices. Essential knowledge for any JavaScript developer.
Practice SQL with hands-on exercises in your browser. Write real queries against a live database, get instant feedback, and build confidence through guided challenges. No setup required - start coding immediately.
A beginner-friendly journey through core JavaScript concepts. Learn fundamentals, variables, operators, control flow, functions, objects, arrays, DOM manipulation, events, async programming, ES modules, and modern ES6+ features.
Dive deep into essential data structures and algorithms, implementing them in JavaScript. Learn arrays, strings, linked lists, stacks, queues, hash tables, trees, graphs, and key algorithmic techniques including recursion, sorting, searching, and dynamic programming.