Linux Traffic Shaping with tc and HTB: Bandwidth Control That Actually Works
Learn practical Linux traffic shaping with tc and HTB. Control bandwidth, prevent network saturation, implement QoS rules that survive reboots.
Server Administration
Guides, tutorials, and best practices for managing Linux servers, configuration, security, and deployment in production environments.
Stop Writing Sync Scripts: SCIM 2.0 Directory Provisioning End to End
End-to-end SCIM 2.0 guide: replace sync scripts, build compliant servers, configure identity providers, handle attribute mapping, and implement deprovisioning.
AppArmor Profile Authoring: From Learning Mode to Enforce in Production (Without Breaking Things)
Learn AppArmor profile authoring from learning mode through production enforcement. Real-world guide to MAC security without breaking your app.
Self-Hosted Email That Actually Delivers: Postfix + Dovecot + Rspamd in 2026
Run your own mail server with Postfix, Dovecot, and Rspamd. Full control, lower costs, custom spam filtering, and complete 2026 setup guide.
LVM Snapshots for Live Database Backups: Hot Backups Without Dropping Writes
LVM snapshots enable live database backups without downtime. Freeze writes briefly, create a snapshot, then back up while your database runs normally.
RDMA on Linux Without a Datacenter Budget: RoCE, iWARP, and NVMe-oF for Self-Hosters
Learn RDMA on Linux for self-hosters. RoCE and iWARP setup guide to boost storage and network performance for Ceph, NVMe-oF, and ML workloads.
Stop Feeding Google: Self-Host Your Analytics with Plausible, Umami, or Matomo
Stop feeding Google your analytics data. Compare self-hosted alternatives like Plausible, Umami, and Matomo to reclaim privacy and control.
Microsoft Entra ID for Self-Hosted Apps: OIDC and SAML Federation That Actually Works
Configure Entra ID federation for self-hosted apps using OIDC and SAML. Complete setup guide with examples for Grafana, Nextcloud, Gitea and more.
SSE at Scale: Backpressure, Connection Limits, and Real-World Recipes
Learn to deploy SSE at scale: backpressure, connection limits, and proven patterns. Handle file descriptors, proxies, slow clients, and streaming challenges.
Garage vs SeaweedFS vs MinIO: Which S3-Compatible Storage Belongs in Your Homelab?
Choose the right S3-compatible storage for your homelab. Detailed comparison of MinIO, Garage, and SeaweedFS: compatibility, resources, performance.