SumGuy's Ramblings
The art of wasting time.
Docker, self-hosting, AI/LLM, Linux, and DevOps — explained by someone who learned the hard way. No fluff, no enterprise jargon, just practical stuff that actually works on real hardware.
Recent Posts
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KEDA: Event-Driven Autoscaling Self-Hosted
KEDA lets Kubernetes scale workloads on queue depth, cron schedules, and broker lag, including scale-to-zero for serious home lab resource savings overnight.
9 min read -
Beszel: Server Monitoring Without the Prometheus Tax
Beszel gives you Prometheus-style multi-host monitoring via a single hub container and tiny Go agents, no Grafana, no exporters, no yak shaving.
9 min read -
Crossplane vs Terraform for Home Lab
Crossplane vs Terraform and OpenTofu for home lab infra: GitOps-native Kubernetes CRDs versus battle-tested HCL, which one actually fits your k3s cluster?
10 min read -
OpenTofu in 2026: Where the Terraform Fork Stands
Two years after HashiCorp's BUSL switch and IBM's acquisition, OpenTofu is the mature open-source Terraform fork. Here's the honest state of play.
11 min read -
Goldilocks + VPA: Right-Size Pods Without Guessing
Stop guessing Kubernetes pod resource limits. Goldilocks + VPA analyze real usage and recommend exactly what CPU and memory your containers need to run.
11 min read -
Capsule: Multi-Tenancy for Home Lab k3s
Stop handing out cluster-admin access to everyone. Capsule gives k3s lab tenants real namespace isolation without the overhead of spinning up vCluster.
10 min read -
Sigstore + Gitsign: Signed Commits Without GPG Pain
Keyless signed git commits with Sigstore and Gitsign, no GPG key rot, no passphrase prompts. OIDC-backed ephemeral certs that just work.
9 min read -
Sealed Secrets vs External Secrets Operator
Sealed Secrets vs External Secrets Operator: which Kubernetes secret manager fits your GitOps workflow best, home lab cluster or production multi-tenant setup?
10 min read -
Mixture of Experts (MoE) for Self-Hosters, Demystified
MoE LLMs like Mixtral and DeepSeek-V3 run 70B-class quality on 7B-ish active params. Here's how sparse activation works and how to run it at home.
10 min read -
Dragonfly: P2P Container Image Distribution at Scale
Dragonfly turns your container registry into a P2P swarm. Stop hammering one registry with 200 nodes pulling 4GB GPU images at once.
10 min read -
Python Libraries Worth Your Time in 2026
The Python libraries actually worth your time in 2026: data tools, ML frameworks, and CLI kit, plus which ones earn a permanent spot in your home lab.
13 min read -
Atuin: Shell History That Actually Works Across Machines
Atuin replaces your broken $HISTFILE with a SQLite DB, fzf-style search, and optional E2E-encrypted sync across every machine you own.
10 min read