Andrei Dumitrescu

Build AI Agents with n8n

Launch AI automations fast with n8n. Learn no-code workflows, triggers, and nodes, plus integrations with OpenAI, Google Calendar, Gmail, Notion, Reddit, Telegram, and more. Build AI agent systems - no coding required!

Linux for Beginners

Learn Linux essentials from the ground up! Learn the fundamental commands, file management, permissions, processes, and system administration skills you need to confidently work with Linux.

AI Engineering: Building AI Applications (LangChain, LLM APIs + more)

Learn to build AI applications using LLM APIs and cutting edge tools including LangChain, LangSmith, and LangGraph. This is developer training for the new era of programming.

Perplexity AI for Professionals

Discover how to use Perplexity AI for smarter, faster research and decision-making—no tech background required.

Bash Scripting: Learn Shell Scripting

Learn Bash Scripting from scratch, from an industry expert. You'll learn Shell Scripting fundamentals plus get the practice and experience to get hired as a DevOps Engineer, SysAdmin, or Network Engineer.

DevOps Bootcamp: Terraform

Learn Terraform from scratch, from an industry expert. You'll learn Terraform fundamentals all the way to advanced, in-depth expertise so that you go from beginner to being able to get certified as a Terraform Associate!

DevOps Bootcamp: Learn Linux & Become a Linux Sysadmin

This DevOps Bootcamp will take you from an absolute beginner in Linux to getting hired as a confident and effective Linux Sysadmin. Includes Ansible, Docker, IPFS + more!

Building AI Apps with the OpenAI API: GPT, DALL-E & Whisper

Learn to use the OpenAI API for chat, image generation, text-to-speech, and speech-to-text so that you can utilize AI technologies in your applications. Plus you'll build an AI application for healthy daily meal plans.

Developing LLM App Frontends with Streamlit

Learn to use Streamlit to create a frontend for your LLM-powered applications. Streamlit is an open-source Python library that simplifies the creation and sharing of custom frontends for AI applications with the world.

AI Coding with GitHub Copilot

Learn to use GitHub Copilot, a powerful AI-powered programming partner that helps programmers write code faster and more efficiently

AI Coding with Jupyter AI

Learn to use Jupyter AI, which adds generative AI capabilities to Jupyter Lab and Jupyter Notebook, the most popular open-source tools for Python programmers, Data Scientists, and AI & Machine Learning Engineers.

DevOps Mastery: Secure Your Internet Traffic with WireGuard VPN

Learn how to set up, configure, and secure your network with WireGuard VPN in this concise, hands-on course. Perfect for DevOps Engineers and those looking to enhance their online privacy and security quickly.

Building AI Apps with the Gemini API

Learn to use Google's Gemini API for building AI-powered applications. Plus you'll put your skills into action by building three projects using the Gemini API.

Developing LLM Apps with LangChain

Learn how to build state-of-the-art LLM-powered applications with LangChain, Pinecone, OpenAI, and Python! We'll build together, step-by-step, line-by-line. This will be a true learning-by-doing experience!

Linux Commands Cheat Sheet

Learn and remember the key Linux Commands with this handy quick reference guide (+ PDF) to the fundamentals of Linux Commands.

Terraform Cheat Sheet

Official ZTM Terraform Cheat Sheet to help all those that want to learn and remember Terraform fundamentals.