Chrony for Sub-Millisecond Time Sync: The Configuration That Actually Beats ntpd
Configure Chrony for sub-millisecond time sync on Linux. How Chrony beats ntpd with adaptive polling, faster convergence, and system clock reliability.
Server Administration
Guides, tutorials, and best practices for managing Linux servers, configuration, security, and deployment in production environments.
Drone vs Woodpecker vs Gitea Actions: Which CI Actually Belongs on Your Self-Hosted Forge?
Compare Drone, Woodpecker, and Gitea Actions for self-hosted CI. Learn which CI system best fits your Gitea or Forgejo forge with detailed tradeoffs.
Stop Managing Your Homelab in a Spreadsheet: NetBox and Nautobot for Real IPAM/DCIM
Replace spreadsheets with NetBox or Nautobot for homelab IPAM. Free, open-source DCIM tools for managing IP space, devices, and network documentation locally.
Keycloak in Production: Clustering, Custom Themes, Federation, and Auth Flows That Actually Work
Deploy production-ready Keycloak with distributed clustering, LDAP federation, custom themes, and enterprise SSO for 50,000+ users.
Stop Bleeding I/O: The dm-crypt & LUKS2 Performance Tuning Playbook
Stop I/O bottlenecks with LUKS2 and dm-crypt tuning. Learn kernel-level optimization, cryptsetup flags, and configuration for production encryption.
Presigned URLs on MinIO: Build AWS S3-Style Secure File Access Without the Cloud Bill
Generate presigned URLs on MinIO for secure S3-style file access without credentials exposure, cloud costs, or custom auth. Production-ready guide.