Posts
Page 59 of 80
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RAG on a Budget: Building a Knowledge Base with Ollama & ChromaDB
Stop paying per-token to ask questions about your docs. Build a local RAG pipeline with Ollama and ChromaDB: Docker Compose, Python code, chunking strategy.
· Updated:12 min read -
Healthcheck vs Restart Policy: The Difference Matters
Your container crashes and restarts. Your app is broken but says it's healthy. These are two different problems. Here's the distinction.
6 min read -
mTLS Explained: When Regular TLS Isn't Paranoid Enough
Mutual TLS (mTLS) explained for mortals: how both sides authenticate, setting up step-ca for internal PKI, generating client certs, and configuring nginx with mTLS.
8 min read -
Nginx: The Config That Makes Sense
Nginx config demystified: server blocks, location matching, proxy_pass gotchas, rate limiting, and Docker Compose setup, with working examples.
8 min read -
Stable Diffusion vs ComfyUI vs Fooocus: AI Image Generation at Home
ComfyUI, Fooocus, A1111, and Forge compared for local AI image generation, which to pick based on your GPU, Docker comfort level, and workflow needs.
· Updated:15 min read -
Appwrite: Your Own Firebase, Minus the Google Surveillance Subscription
Appwrite is self-hosted BaaS: auth, databases, storage, and serverless functions on hardware you control. Docker setup plus a Supabase/PocketBase comparison.
· Updated:8 min read -
Linux Suspend and Hibernate: Teaching Your Machine to Take a Nap Without Dying
Linux suspend vs hibernate explained: sleep states, swap setup, initramfs resume hook, wake-on-LAN, lid close behavior, and fixing common hibernate failures on modern Linux systems.
· Updated:9 min read -
Sysctl Tuning: The Linux Kernel Knobs That Actually Matter
Your Linux box has hundreds of kernel knobs in /proc/sys that nobody ever touches. Most do not matter. Here are the handful that actually improve a Docker host.
· Updated:8 min read -
VLAN Basics for Home Labs: Segment Your Network Before It Segments You
Learn VLAN basics for your home lab: 802.1Q tagging, trunk vs access ports, managed switch setup, and pfSense VLAN configuration to isolate IoT, guests, and your NAS.
9 min read -
Port Knocking: Simple Obscurity for SSH Access
Hide your SSH port from scanners with port knocking. It's not a replacement for security, but it's a valid defense-in-depth tactic.
6 min read -
Building CLI Tools in Go: Because Shell Scripts Have a Maximum Complexity
Shell scripts hit a complexity wall. Go gives you a single binary, fast startup, great stdlib, and goreleaser for proper distribution. Here's how to build real CLI tools.
6 min read -
n8n + LLM: Building Automations That Actually Think
Connect n8n to Ollama for automations that classify, summarize, and triage instead of just moving data around. Three practical workflows plus prompt design tips.
· Updated:9 min read
