#infrastructure

12 posts

CloudNativePG: Running PostgreSQL in Kubernetes Without the Pain
· 12 min read · infrastructure

CloudNativePG: Running PostgreSQL in Kubernetes Without the Pain

Running PostgreSQL on Kubernetes with CloudNativePG: the Kyverno policy traps, SSL gotchas, read/write splitting, and the 16.4 segfault to avoid.

kubernetespostgresqlcloudnativepgdatabaseskyvernoinfrastructure
Proxmox Backup Server: Incremental Backups for Your Whole Cluster
· 11 min read · homelab

Proxmox Backup Server: Incremental Backups for Your Whole Cluster

Setting up Proxmox Backup Server for incremental, deduplicated backups across a multi-node cluster, including the token auth and locking gotchas.

proxmoxbackupshomelabinfrastructuredisaster-recovery
Proxmox Cluster Quorum: How Many Nodes Do You Actually Need
· 7 min read · homelab

Proxmox Cluster Quorum: How Many Nodes Do You Actually Need

Stop guessing about Proxmox quorum. A deep dive into 2-node vs 3-node setups, QDevice, and why your cluster suddenly goes read-only.

proxmoxquorumhigh-availabilityhomelabinfrastructure
Tailscale Subnet Routers: Accessing Your LAN Without the VPN Headache
· 7 min read · infrastructure

Tailscale Subnet Routers: Accessing Your LAN Without the VPN Headache

Stop installing Tailscale on every single device. Use a subnet router to expose your home network and IoT gear without traditional VPN complexity.

tailscalenetworkinginfrastructurehomelabremote-accessvpn
AdGuard Home: Network-Wide DNS Filtering with Failover
· 2 min read · infrastructure

AdGuard Home: Network-Wide DNS Filtering with Failover

Setting up AdGuard Home for network-wide DNS filtering with a robust failover strategy to prevent total internet outages.

dnsadguard-homeinfrastructurekubernetesnetworkingfailover
Stop Merging Broken YAML: Kubernetes Manifest Validation in CI
· 2 min read · infrastructure

Stop Merging Broken YAML: Kubernetes Manifest Validation in CI

Don't let invalid manifests break your GitOps pipeline. Learn how to use kubeconform and Kyverno exclusions to catch errors before they hit production.

kubernetesgitopsci-cdinfrastructurekubeconformkyverno
cert-manager + Cloudflare DNS-01: Automated TLS for Everything
· 7 min read · kubernetes

cert-manager + Cloudflare DNS-01: Automated TLS for Everything

Automating TLS with cert-manager and Cloudflare DNS-01 in Kubernetes

cert-managercloudflarekubernetestlsdns01homelabinfrastructure
Wildcard DNS + ndots:5: The TLS Nightmare and How to Fix It
· 4 min read · infrastructure

Wildcard DNS + ndots:5: The TLS Nightmare and How to Fix It

Kubernetes default DNS settings can cause TLS certificate mismatches when using wildcard DNS. Here is how to debug and fix it.

kubernetesdnstlsnetworkinginfrastructure
Self-Improving AI Infrastructure: How Your Homelab Wiki Updates Itself
· 5 min read · ai-agents

Self-Improving AI Infrastructure: How Your Homelab Wiki Updates Itself

How to automate your homelab wiki with self-improving AI infrastructure

ai-agentsself-improving-systemshomelabautomationinfrastructurekuberneteslonghorn
Building Karpathy's LLM Wiki: A Production Homelab Implementation
· 6 min read · ai-agents

Building Karpathy's LLM Wiki: A Production Homelab Implementation

Implementing Karpathy's LLM Wiki in a homelab with real-world lessons and gotchas

ai-agentsllm-wikihomelabkubernetesproxmoxinfrastructure
Infrastructure as Code, but Automated: OpenTofu and GitHub Actions
· 5 min read · infrastructure

Infrastructure as Code, but Automated: OpenTofu and GitHub Actions

Stop manual applies. Learn how to build a production-ready CI/CD pipeline for your infrastructure using OpenTofu and GitHub Actions.

infrastructureopentofugithub-actionsgitopscicd
Kubernetes Storage on Bare Metal: Longhorn in Practice
· 6 min read · kubernetes

Kubernetes Storage on Bare Metal: Longhorn in Practice

How I configured Longhorn storage for a Kubernetes cluster on bare metal — what worked, what didn't, and what I'd do differently next time.

kubernetes-storagelonghornbare-metalhomelabinfrastructure
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