Proxmox VM Disk Performance — VirtIO-blk vs VirtIO-SCSI, IO Threads & Cache Modes

Compare VirtIO-blk vs VirtIO-SCSI single disk controllers in Proxmox, benchmark IO threads and aio modes with fio, and choose the right cache settings for your homelab VMs.

June 12, 2026 · 9 min · 1775 words · GnTech

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.

June 11, 2026 · 7 min · 1374 words · GnTech

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.

June 11, 2026 · 9 min · 1881 words · GnTech

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.

June 9, 2026 · 13 min · 2763 words · GnTech

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.

June 9, 2026 · 9 min · 1873 words · GnTech

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.

June 9, 2026 · 7 min · 1333 words · GnTech

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.

June 9, 2026 · 8 min · 1598 words · GnTech

LibreNMS Docker Deployment — Complete Homelab Network Monitoring Guide

Deploy LibreNMS in Docker for complete homelab network monitoring. SNMP autodiscovery, alert rules, and dashboard setup for MikroTik routers, Proxmox hosts, and Linux servers.

June 7, 2026 · 8 min · 1606 words · GnTech

Linux Bridge Network Debugging — Docker and Proxmox Homelab Guide

A practical guide to debugging Linux bridge networks used by Docker and Proxmox. Covers tcpdump packet captures, brctl and bridge fdb inspection, VLAN troubleshooting, Docker network namespace traversal, and fixes for common connectivity problems.

June 7, 2026 · 9 min · 1876 words · GnTech

systemd-networkd Homelab Networking — Bridges, VLANs, Bonds

Configure bridges, VLANs, and bond interfaces using systemd-networkd on Debian 13 and Ubuntu 24.04. Real configuration files for KVM/Proxmox bridges, VLAN trunking, and link aggregation.

June 7, 2026 · 7 min · 1415 words · GnTech