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Josep Oriol Carné

Notes from a developer & algorithmic trader on trading, privacy, Linux and productivity — autonomous systems, self-hosting, and tools worth keeping.

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A Power Outage Took Down My Homelab and I Never Noticed
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A Power Outage Took Down My Homelab and I Never Noticed

#homelab #selfhosted #monitoring #healthchecks
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2 min read
Metrics for Your AI Workers: Build a Personal Agent Benchmark
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Metrics for Your AI Workers: Build a Personal Agent Benchmark

#ai #llm #agents #benchmarks
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4 min read
Give Your Local LLM Eyes: SearXNG Behind a VPN for Private Web Search
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Give Your Local LLM Eyes: SearXNG Behind a VPN for Private Web Search

#privacy #selfhosted #searxng #vpn
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2 min read
10 Git One-Liners Worth Keeping
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10 Git One-Liners Worth Keeping

#git #developertools #productivity #cli
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3 min read
Your .gitignore Won't Protect You From AI Agents
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Your .gitignore Won't Protect You From AI Agents

#ai #security #development #cli
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2 min read
Custom Claude Code Notifications on Linux
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Custom Claude Code Notifications on Linux

#claudecode #linux #cli #productivity
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2 min read
How Survivorship Bias Is Costing You Money (And You Don't Even Know It)
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How Survivorship Bias Is Costing You Money (And You Don't Even Know It)

#investing #cognitivebias #trading #decisionmaking
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7 min read
Secure Network Architecture for Home-Based Trading & Server Ops
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Secure Network Architecture for Home-Based Trading & Server Ops

#networksecurity #homelab #trading #servers
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7 min read
Three Proven Techniques to Reduce LLM Hallucinations
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Three Proven Techniques to Reduce LLM Hallucinations

#llm #ai #promptengineering #hallucinations
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3 min read
Temperature Zero, Fixed Seed, Different Answers
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Temperature Zero, Fixed Seed, Different Answers

#ai #llm #ollama #python
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3 min read
How to Disable the Co-Authored-By Trailer in Claude Code
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How to Disable the Co-Authored-By Trailer in Claude Code

#claudecode #ai #git #github
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3 min read
I Replaced My Vector Database With Boring Algorithms
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I Replaced My Vector Database With Boring Algorithms

#llm #rag #vectordatabases #architecture
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4 min read
Human as a Tool: The Agent Pattern Where You Work for the Machine
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Human as a Tool: The Agent Pattern Where You Work for the Machine

#ai #agents #llm #designpatterns
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4 min read
The Mythos/Fable Blockade: How US AI Exceptionalism Builds Its Own Rivals
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The Mythos/Fable Blockade: How US AI Exceptionalism Builds Its Own Rivals

#ai #geopolitics #opensource #regulation
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2 min read
Free Scheduled VMs: Run Periodic Jobs on GitHub Actions (No Server Required)
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Free Scheduled VMs: Run Periodic Jobs on GitHub Actions (No Server Required)

#githubactions #automation #cron #aiagents
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4 min read
Disposable Kali in Docker: Recover a Forgotten ZIP Password
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Disposable Kali in Docker: Recover a Forgotten ZIP Password

#cybersecurity #docker #kalilinux #johntheripper
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4 min read
I Was Going to Write About Immich. Then Google Signed With the Pentagon.
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I Was Going to Write About Immich. Then Google Signed With the Pentagon.

#privacy #selfhosting #degoogle #homelab
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8 min read
Aisuite: One Client, Any Model
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Aisuite: One Client, Any Model

#ai #llm #tools #python
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1 min read
Using Obsidian as a Chess Game Database
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Using Obsidian as a Chess Game Database

#chess #obsidian #productivity #lichess
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3 min read
Look‑Ahead Traps in Backtesting (Backtrader, MQL, PineScript)
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Look‑Ahead Traps in Backtesting (Backtrader, MQL, PineScript)

#backtesting #lookaheadbias #backtrader #pinescript
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3 min read
The Traveling Salesman Problem: From 19th Century Puzzles to Genetic Algorithms
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The Traveling Salesman Problem: From 19th Century Puzzles to Genetic Algorithms

#algorithms #python #optimization #computerscience
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4 min read
The Red Queen Effect: Running as Fast as You Can Just to Stay in Place
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The Red Queen Effect: Running as Fast as You Can Just to Stay in Place

#evolution #softwaredevelopment #cybersecurity #techdebt
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5 min read
My Go-To Prompt for Testing Local LLMs
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My Go-To Prompt for Testing Local LLMs

#llm #ollama #localai #nvidia
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1 min read
Monthstalgia #2: Lands of Lore - Three Heroes, Same Castle, Zero Endings
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Monthstalgia #2: Lands of Lore - Three Heroes, Same Castle, Zero Endings

#monthstalgia #games #rpg #retrogaming
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3 min read
Monthstalgia #1: Wyrm - The Book I Refuse to Reread
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Monthstalgia #1: Wyrm - The Book I Refuse to Reread

#monthstalgia #books #scifi #nostalgia
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3 min read
Selecting an Open-Source DB for Financial Time Series
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Selecting an Open-Source DB for Financial Time Series

#database #timeseries #tsdb #opensource
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6 min read
Debugging the Human OS: A Comparative Analysis of Journaling Protocols
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Debugging the Human OS: A Comparative Analysis of Journaling Protocols

#journaling #productivity #optimization #mentalmodels
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11 min read
The Martingale: Mathematical Origins and the Inevitability of Ruin
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The Martingale: Mathematical Origins and the Inevitability of Ruin

#algorithmictrading #mathematics #probability #riskmanagement
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5 min read
Critical Thinking in the Age of AI: Why Your Brain Is Your Last Competitive Advantage
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Critical Thinking in the Age of AI: Why Your Brain Is Your Last Competitive Advantage

#ai #criticalthinking #productivity #career
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8 min read
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