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Andrei Dumitrescu Courses
Linux Administration: The Complete Linux Bootcamp
4.5 (5,049 Reviews)
Provider: Udemy
Time: 23.5h- 2026
$19.99
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LangChain Mastery: Build GenAI Apps with LangChain &Pinecone
4.5 (5,022 Reviews)
- Provider: Udemy
- Time: 10.8h
- 2026
$10.99
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Master Network Automation with Python for Network Engineers
4.5 (4,642 Reviews)
- Provider: Udemy
- Time: 23.4h
- 2026
$15.99
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Master Ethereum & Solidity Programming From Scratch
4.5 (3,424 Reviews)
- Provider: Udemy
- Time: 10.2h
- 2026
$84.99
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Master Python Programming: Zero to Expert in Python
4.4 (2,751 Reviews)
- Provider: Udemy
- Time: 28.2h
- 2026
$14.99
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Master Go Programming (Golang): Complete Bootcamp
4.4 (2,255 Reviews)
- Provider: Udemy
- Time: 14.6h
- 2026
$10.99
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Linux Security: The Complete Iptables Firewall Guide
4.7 (1,575 Reviews)
- Provider: Udemy
- Time: 9.4h
- 2026
$11.99
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The Complete Generative AI and Python Programming Bootcamp
4.4 (956 Reviews)
- Provider: Udemy
- Time: 25h
- 2026
$10.99
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Linux Sysadmin:Build 5 Hands-On Linux Projects for Real Jobs
4.6 (940 Reviews)
- Provider: Udemy
- Time: 16.8h
- 2026
$16.99
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Master OpenAI API and ChatGPT API with Python
4.3 (775 Reviews)
- Provider: Udemy
- Time: 12.4h
- 2026
$12.99
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LangGraph Mastery: Develop LLM Agents with LangGraph
4.4 (755 Reviews)
- Provider: Udemy
- Time: 5.4h
- 2026
$10.99
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Ethical Hacking from Scratch: Complete Bootcamp
4.7 (718 Reviews)
- Provider: Udemy
- Time: 15.2h
- 2026
$89.99
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MCP Mastery: Unlock Next-Gen LLM Integrations with MCP
4.4 (640 Reviews)
- Provider: Udemy
- Time: 5.6h
- 2026
$11.99
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n8n Crash Course: Master AI Agents with n8n in a Day
4.4 (481 Reviews)
- Provider: Udemy
- Time: 2.9h
- 2026
$10.99
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Learn Google's Gemini and Anthropic's Claude API with Python
4.7 (140 Reviews)
- Provider: Udemy
- Time: 7.5h
- 2026
$11.99
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OpenClaw and Nvidia's NemoClaw Crash Course: Build AI Agents
4.4 (135 Reviews)
- Provider: Udemy
- Time: 3.9h
- 2026
$11.99
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Master Lovable, NotebookLM & Perplexity: GenAI Boost
4.4 (76 Reviews)
- Provider: Udemy
- Time: 4h
- 2026
$11.99
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Microsoft Foundry & Python: Enterprise AI Agents on Azure
4.5 (71 Reviews)
- Provider: Udemy
- Time: 7.9h
- 2026
$11.99
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Most Recent Review
Brilliant course, a couple of bits slightly out of date due to the fast moving nature of A.I. but nothing that couldn't be worked out. Really enjoyed the course and recommend the instructor.
- Review by Anthony Ogden on Microsoft Foundry & Python: Enterprise AI Agents on Azure
Instructor Bio
Are you ready to master cutting-edge technologies like Python, AI & LLMs, Linux, and Ethical Hacking in a world that is changing faster than ever?
The digital revolution is reshaping industries, and those who adapt win the future—while those who don't risk falling behind.
With nearly two decades of experience as a Network and Software Engineer, I have seen firsthand how automation, AI, and cybersecurity are transforming the global tech landscape.
Now, I’m here to equip you with the disruptive, high-impact skills that will make you an in-demand professional in today’s rapidly evolving world.
Why Learn from Me?
Expert-Led, Industry-Proven Training – Learn from an instructor with hands-on expertise in Python, AI & LLMs, Linux, and Ethical Hacking.
Real-World, Job-Ready Skills – Gain practical knowledge through dynamic online courses, interactive labs, detailed documentation, and real-world case studies.
Stay Ahead of the Curve – Master the skills that power AI-driven automation, cloud computing, cybersecurity, and modern DevOps workflows.
Engaging & Structured Learning – My holistic teaching approach ensures that complex topics are broken down into clear, actionable insights you can apply immediately.
Master the Skills That Drive the Future!
Python Programming – The Language of AI & Automation
AI & Large Language Models (LLMs) – The Future of Intelligent Systems
Linux Administration – The Backbone of Modern Infrastructure
Ethical Hacking & Cybersecurity – Defend Against the Next-Gen Threats
A Legacy of Education & Innovation
Education is in my DNA—it's a four-generation family tradition. As the founder of Crystal Mind Academy, a recognized Cisco Academy and professional training center, I have designed courses that empower hundreds of thousands of students worldwide to thrive in technology-driven careers.
Beyond the Code
When I’m not building courses, I fuel my passion through fitness, reading, and spending quality time with my family. This balanced approach brings a fresh, energetic perspective to my teaching, ensuring that my courses are not just informative—but truly transformative.
The world is changing—don’t get left behind. Enroll today and future-proof your career with the skills that matter!
