Open vSwitch on Linux: The Complete Guide to Flow Tables and KVM Integration
Master Open vSwitch on Linux. Learn flow tables, KVM integration, VXLAN tunneling, SDN controllers, and QoS. Replace kernel bridges with OVS.
Server Administration
Guides, tutorials, and best practices for managing Linux servers, configuration, security, and deployment in production environments.
FIDO2 in Enterprise: How to Actually Replace Passwords (Deployment Guide)
Enterprise guide to FIDO2 deployment and passwordless authentication. Replace passwords with hardware security keys and eliminate phishing completely.
Jellyfin vs Plex vs Emby in 2026: A Self-Hoster’s Honest Comparison
Jellyfin, Plex, or Emby? Compare the top self-hosted media servers in 2026. Privacy, cost, features, and real-world performance reviewed.
Hugepages on Linux: How to Enable 2MB and 1GB Pages and Which Workloads Actually Need Them
Reduce TLB misses and boost performance with Linux hugepages. Configure 2MB and 1GB pages for memory-intensive workloads and databases.
Stop Paying Cloudflare Tax: Build Your Own Mini-CDN for Under $20/month
Build a self-hosted CDN for under $20/month using cheap VPS. Serve static assets globally with low latency and skip expensive Cloudflare.
Debian 13 Trixie: The Sysadmin’s Honest Review — What Changed, What Broke, What Matters
Debian 13 Trixie: kernel 6.12, Python 3.13, OpenSSL 3.4. Breaking changes, io_uring hardening, and production upgrade guidance.
WireGuard Mesh Networking for Homelabs: Topology, Routing, and Persistent Keepalive Explained
Learn WireGuard mesh networking for homelabs with proper topology, routing, and keepalive settings. No single point of failure, direct peer connections.
Deploying Prosody XMPP Like a Pro: MUC, PubSub, OMEMO, and Modern Clients on Your Own Server
Prosody XMPP deployment guide: lightweight server with MUC, PubSub, OMEMO encryption, and modern clients. Federated self-hosting without Matrix’s RAM overhead.
Stop Letting PostgreSQL Bloat Kill Your Performance: Autovacuum Tuning for High-Write Workloads
Master PostgreSQL autovacuum tuning to eliminate table bloat, boost query performance, and prevent transaction ID wraparound in high-write workloads.
SCIM Provisioning Between Authentik and Self-Hosted Apps: Tested Patterns That Actually Work
Learn SCIM provisioning with Authentik to automatically manage users across self-hosted apps. Covers architecture, working configurations, and failure modes.