Posts

Docker Container Graceful Shutdown — Signals, Stop Grace Period, and Trap Handlers

Configure proper graceful shutdown for Docker containers in your homelab. Covers stop signals, stop_grace_period, init process management with tini/dumb-init, and SIGTERM trap handlers to prevent data corruption during restarts.

Docker Container Storage Quotas — Limit Disk Usage with XFS

Set up XFS project quotas and Docker overlay2 size limits to prevent any single container from filling your homelab storage. Covers daemon.json config, XFS prjquota, per-container size caps, and volume quota strategies.

acme.sh Let's Encrypt Certificates for Homelab Docker Services

Automate Let’s Encrypt SSL/TLS certificates in your homelab using acme.sh and Docker. Includes DNS-01 wildcard certs, auto-renewal, and integration with Traefik, Nginx Proxy Manager, and Caddy.

Linux auditd Security Auditing — Monitor Proxmox and Docker Activity

Configure Linux auditd to watch container starts, file changes, and Proxmox host activity. Includes auditctl rules, ausearch queries, and Docker integration for comprehensive homelab security auditing.

Docker Proxy Configuration Guide — HTTP/HTTPS Proxy for Containers

Configure HTTP/HTTPS proxy for Docker daemon, CLI, and individual containers in your homelab. Covers systemd drop-in overrides, daemon.json settings, Docker Compose proxy variables, and the critical NO_PROXY configuration to avoid breaking internal container communication.

Docker Compose Startup Dependencies and Init Container Patterns

A practical guide to Docker Compose startup ordering — covering depends_on conditions, healthcheck-based readiness, init container patterns with wait-for-it, and real-world compose examples for multi-service homelab stacks.

Linux Network Performance Tuning — ethtool, irqbalance, and tc for Homelab

Optimize Linux network performance on Proxmox and Docker hosts with ethtool ring buffer tuning, irqbalance configuration, multiqueue RSS/RPS, and tc traffic shaping — with real benchmarks and systemd persistence.

Docker MACVLAN Homelab Networking — Assign Direct VLAN IPs

Give your containers their own IPs on any VLAN with Docker MACVLAN and IPVLAN. A practical guide with docker-compose configs, routing tweaks, and real-world homelab use cases.

Proxmox Datacenter Manager 1.1 — Automated Installs & Ceph Monitoring

Proxmox Datacenter Manager 1.1 is out — with automated answer-file installations, unified Ceph monitoring across remotes, and centralized subscription management. Here’s what’s new and how to deploy it.

Proxmox VE Cluster Setup and High Availability for Homelab

A step-by-step guide to building a Proxmox VE cluster with high availability for your homelab — covering corosync setup, quorum with QDevice, HA groups, live migration, and fencing.