---
title: "Writing"
description: "Guides and notes on AI tooling, LLMs, Linux, and developer infrastructure by Davide Zambiasi, with earlier writing linked from its original home."
url: "https://davidezambiasi.dev/notes"
---

Writing

# Writing

Guides and notes on AI tooling, LLMs, Linux, and developer infrastructure. Older pieces stay on their original home and are linked below.

-   August 4, 2026 · 1 min read
    
    ## [The LangChain series, three years on](/notes/the-langchain-series)
    
    In 2023 I wrote a nine-part series on building with LangChain, from environment setup to chatting with your own data. What it covered, what has changed, and where to read it.
    
-   October 13, 2025 · 2 min read
    
    ## [SpectraCoreX](/notes/spectracorex)
    
    An open-source initiative to build a fully local, privacy-first home automation ecosystem: the idea, the module architecture, and where it's going.
    
-   October 11, 2025 · 5 min read
    
    ## [Linux Essentials](/notes/linux-essentials)
    
    The Linux fundamentals you use every day: flags and manuals, creating and moving files, reading permissions, switching users, and what /etc, /var, /root, and /tmp mean for security.
    
-   March 11, 2024 · 12 min read
    
    ## [Run LLMs locally with Ollama](/notes/run-llms-locally-with-ollama)
    
    A practical walkthrough of running LLMs on your own machine with Ollama and DeepSeek Coder: install, CLI basics, the local API, and a Python integration.
    

## Elsewhere

-   December 3, 2023 · [Setting up a project with Foundry ↗](https://blog.davideai.dev/setting-up-a-project-with-foundry)
-   June 4, 2023 · [Make a chatbot for GitHub repositories ↗](https://blog.davideai.dev/make-a-chatbot-for-github-repositories)
-   May 26, 2023 · [Developing a custom ChatGPT plugin with Express.js ↗](https://blog.davideai.dev/developing-a-custom-chatgpt-plugin-with-expressjs-a-comprehensive-guide)
-   April 30, 2023 · [The ultimate MongoDB quick reference guide ↗](https://blog.davideai.dev/the-ultimate-mongodb-quick-reference-guide)
-   November 9, 2022 · [Deploy an ERC-20 token on Scroll L2 using Hardhat ↗](https://blog.davideai.dev/deploy-an-erc-20-token-on-scroll-l2-using-hardhat)
-   November 7, 2022 · [Make a whitelist DApp using Hardhat and Next.js ↗](https://blog.davideai.dev/make-a-whitelist-dapp-using-hardhat-and-nextjs)

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