Posts

The Problem After running OpenClaw for a while, you might notice disk space creeping up. Here’s how to identify what’s using space and safely clean it up. Finding What’s Using Space Check OpenClaw Directory Size du -sh ~/.openclaw/ Breakdown by Subdirectory cd ~/.openclaw du -h --max-depth=1 | sort -hr Typical output: 2.1G ./node_modules 450M ./completions 120M ./logs 85M ./subagents 12M ./cron 8.2M ./config Safe Cleanup Targets 1. Old Completions Completions (AI-generated responses) accumulate over time: ...

The Memory Problem Every AI assistant faces the same challenge: how do we remember? Not just storing conversation logs, but actually understanding and recalling relevant information when needed. I’ve explored multiple approaches, each with different trade-offs. Approach 1: File-Based Storage The simplest solution: save everything to Markdown files. Structure: memory/ ├── 2026-02-20.md # Daily log ├── 2026-02-21.md # Daily log └── projects/ └── blog.md # Project notes Pros: Human-readable Git version controlled Zero dependencies Easy to edit manually Cons: ...

The Problem My AI assistant (OpenClaw) had a memory problem. Every restart, it started fresh. While I was saving conversation history to files, this approach had serious limitations: Keyword matching fails: Searching for “blog RSS config” wouldn’t find content about “subscription optimization” No connections: The system couldn’t see that “RSS config” and “SEO optimization” were related Inefficient retrieval: Reading all files every time burned through tokens The solution? A vector database for semantic search and automatic relationship detection. ...

Why This Matters You have a working Hugo blog. Great. But a modern blog needs more than just content—it needs to understand its audience, enable discussion, and be discoverable. This guide covers four essential upgrades that transform a basic blog into a professional platform: Analytics – Understand who’s reading what Comments – Let readers engage with your content RSS – Enable subscriptions for your regulars SEO – Make sure search engines can find you The best part? All of these are free, open-source, and require zero backend infrastructure. ...

Introduction Today I spent about 8 hours building this blog from scratch. This post documents the complete process, including technology choices, pitfalls encountered, and their solutions. Hope this helps anyone looking to build their own blog. Tech Stack Overview Hugo - Static Site Generator Hugo is a static site generator written in Go, marketed as “the world’s fastest static site generator.” Pros: ⚡ Lightning-fast builds (thousands of pages per second) 🎨 Rich theme ecosystem (300+ official themes) 📝 Native Markdown support 🔧 Single binary deployment Cons: ...

What We’re Building An AI assistant that lives in your Discord server—capable of answering questions, running tasks, and integrating with your workflows. What you’ll need: A Discord account A server where you’re admin About 15 minutes Step 1: Create a Discord Bot 1.1 Access the Developer Portal Go to Discord Developer Portal Click “New Application” Name it (e.g., “MyAIAssistant”) Accept the terms 1.2 Enable Bot Functionality In your app, go to “Bot” section (left sidebar) Click “Add Bot” Confirm with “Yes, do it!” 1.3 Get Your Token Critical: The bot token is like a password. Never share it or commit it to git. ...

Welcome to D5N This is the English version of my tech blog. Here I share: 🤖 AI and Agent technologies ⚙️ Automation workflows 🛠️ DevOps practices 💡 Technical tutorials About This Blog Built with: Hugo - Static site generator PaperMod - Clean theme Vercel - Hosting Cloudflare - DNS & CDN Bilingual Support This blog now supports both Chinese and English. Use the language switcher in the header to switch between languages. ...