Posts
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LLM Fine-Tuning for Mortals: LoRA, QLoRA, and Your Gaming GPU
Learn LLM fine-tuning with LoRA and QLoRA on a consumer GPU. Practical guide covering dataset prep, Hugging Face, Unsloth, VRAM needs, and common pitfalls.
17 min read -
Nextcloud Advanced: Federation, Backups, and Making It Actually Performant
Nextcloud advanced configuration: Redis caching, federation setup, automated backups, occ command deep dive, LDAP, external storage, and PHP-FPM tuning.
9 min read -
Linux Capabilities: Drop Root Without Breaking Everything
Learn Linux capabilities to drop root privileges without breaking your apps. Master cap_drop, cap_add in Docker, and setcap for fine-grained privilege control.
8 min read -
Docker Security Hardening: 15 Things You're Doing Wrong Right Now
Stop running Docker containers like it's the Wild West. Learn 15 critical Docker security mistakes and practical fixes to harden your containers today.
13 min read -
curl Flags Every Developer Should Know
Master the curl flags that'll save you hours debugging APIs, downloads, and web requests. From -X to --compressed, here's what actually matters.
5 min read -
Named Pipes (FIFOs) in Shell Scripts
Named pipes (FIFOs) let you buffer and synchronize between processes. They're underused but solve real problems: queuing, coordination, and complex data flows.
6 min read -
MinIO vs SeaweedFS: Self-Hosted S3 Storage Without AWS Bills
MinIO vs SeaweedFS compared for self-hosted S3 storage: setup, performance, Docker Compose configs, S3 API compatibility, and which one fits your home lab or production workload.
8 min read -
Whisper & Faster-Whisper: Self-Hosted Speech-to-Text That Actually Works
Run OpenAI Whisper or Faster-Whisper locally with Docker. Better privacy, zero API costs, and surprisingly good accuracy — even on a potato CPU.
9 min read -
UFW Advanced: Rate Limiting, Logging, and Rules That Actually Make Sense
Go beyond ufw allow/deny: rate limiting with ufw limit, logging levels, before.rules for iptables, IPv6 handling, Docker bypass fixes, and fail2ban integration.
9 min read -
Bash Arrays: The Feature That Makes Scripts Readable
Declare, iterate, and manipulate arrays safely. Use indexed and associative arrays for clean bash code.
6 min read -
Bash Process Substitution: What <() and >() Actually Do
Process substitution lets you treat a command's output as a file, and feed input to a command as if it were a file. It's weird but powerful.
5 min read -
MinIO + Nextcloud: S3-Compatible Storage That's Actually Yours
Replace Nextcloud's local filesystem with MinIO as an S3-compatible backend. Full Docker setup, bucket policies, performance tuning, and why this scales better.
7 min read
