Recent Updates & Engineering Log

Track major architectural overhauls, newly published engineering guides, and platform maintenance updates across nejat-hakan.de.

Continuous Verification

Every guide and code snippet is maintained against current LTS releases (Debian 12/13, Ubuntu 24.04, Python 3.12+, PostgreSQL 17).
Sovereign Tech Stack

Documenting hands-on production transitions: zero cloud lock-in, encrypted point-to-point networking, and automated backups.

November 2026

Full-Stack Linux Architecture: Rewrote core kernel documentation covering the TTY/PTY Subsystem, VFS & Inodes, Process Lifecycle & Signals, and Advanced Bash Concurrency & flock.
Sovereign Self-Hosting Infrastructure: Published enterprise blueprints for WireGuard Kernel VPN, Pi-hole v6 FTL Engine, AdGuard Home DoH/DoQ, Unbound Root Recursion, and Caddy v2 PKI Ingress.
Enterprise Observability & Backups: Added hardened guides for BorgBackup & Borgmatic with Append-Only SSH, Restic S3 WORM Object-Lock, Uptime Kuma Synthetic Monitoring, and Zabbix 7 LTS + TimescaleDB.
Design & Typography Overhaul: Migrated entire typography to Inter and JetBrains Mono, standardized all 136 architecture diagrams to native dark/light theme compatibility, and enabled interactive code copying and tab synchronization.