Skip to main content

1732 posts tagged with "Self-Hosting"

Running your own PaaS and infrastructure on machines you own

View all tags

Read the Self-hosted PaaS guide

One Rack Switch Died in Nuremberg. Here's What a Hetzner Cloud Leaf Fault Actually Costs a Cluster API Fleet
·Dora Noda·9 min

One Rack Switch Died in Nuremberg. Here's What a Hetzner Cloud Leaf Fault Actually Costs a Cluster API Fleet

On July 24, 2026, a switch fault in one Nuremberg rack took down Load Balancer, Networks, Cloud Server, and Object Storage together. What that actually costs a running CAPH cluster, why it's not a one-off, and the concrete mitigation CAPH exposes today.

self-hosting
PaaS
infrastructure
Kubernetes
+1
Jellyfin's Leaders Didn't Get Rug-Pulled. They Just Left.
·Dora Noda·9 min

Jellyfin's Leaders Didn't Get Rug-Pulled. They Just Left.

Jellyfin's founder and two core leads quit in one week over burnout and an AI-tooling dispute — no feature was paywalled, no license changed. Here's why that's a different, scarier failure mode than a Plex- or MinIO-style rug-pull, and what Jellyfin's own written succession plan gets right.

governance
self-hosting
PaaS
trust
CVE-2026-24834: The Kata Containers Bug That Turned a Hardware Isolation Boundary Into a Config Default
·Dora Noda·7 min

CVE-2026-24834: The Kata Containers Bug That Turned a Hardware Isolation Boundary Into a Config Default

A container process with nothing but CAP_MKNOD got root inside a Kata Containers microVM meant to be hardware-isolated. Here's the exploit, the exact audit to run against your fleet, and why the fix was a config default, not a KVM flaw.

security
self-hosting
PaaS
Kubernetes
+1
kro Just Landed in CNCF's 'Adopt' Tier Next to Helm — While Still Being Alpha Software
·Dora Noda·9 min

kro Just Landed in CNCF's 'Adopt' Tier Next to Helm — While Still Being Alpha Software

CNCF and SlashData's Q1 2026 Platform Engineering Radar put kro in the 'Adopt' tier alongside Helm and Backstage — a maturity signal for a project still shipping a v1alpha1 API. Here's the actual RGD YAML, what the rating measured, and what building a tenant-facing App CRD on kro's pattern would cost a Cluster API fleet.

self-hosting
PaaS
Kubernetes
infrastructure
+1
Kubernetes 1.36's CRI List Streaming Doesn't Cut Kubelet Memory — It Removes a Hard Container-Count Wall Bin-Packed Nodes Actually Hit
·Dora Noda·8 min

Kubernetes 1.36's CRI List Streaming Doesn't Cut Kubelet Memory — It Removes a Hard Container-Count Wall Bin-Packed Nodes Actually Hit

KEP-5825's own text admits CRI List Streaming does not reduce kubelet memory usage. The real fix is a hard 11,000-container / 14,000-pod gRPC ceiling that's already bricked production nodes — and it matters more on a fixed Hetzner box than an autoscaling cloud fleet.

Kubernetes
self-hosting
PaaS
Kubernetes' Partitionable GPU Devices (KEP-4815): The Real Cost Math Behind Slicing One GPU Into 7 Schedulable Sandboxes
·Dora Noda·8 min

Kubernetes' Partitionable GPU Devices (KEP-4815): The Real Cost Math Behind Slicing One GPU Into 7 Schedulable Sandboxes

Kubernetes' Partitionable Devices KEP lets one GPU serve multiple independently-scheduled sandboxes instead of one tenant. Here's the actual cost math on 7-way MIG slicing versus whole-card allocation, and what a Cluster API GPU node needs to expose those slices.

Kubernetes
self-hosting
PaaS
infrastructure
+1
Kubernetes 1.34 Ships KYAML: What a Safer YAML Subset Does (and Doesn't) Fix for a Manifest-Generating PaaS
·Dora Noda·8 min

Kubernetes 1.34 Ships KYAML: What a Safer YAML Subset Does (and Doesn't) Fix for a Manifest-Generating PaaS

Kubernetes 1.34 shipped KYAML to kill YAML's Norway-problem bugs, but the KEP is explicit that it's a kubectl output format, not a server-side change. Here's what that actually means for a platform generating Cluster API and tenant manifests programmatically.

Kubernetes
PaaS
self-hosting
infrastructure
Kubernetes SIG Storage's Next Move Isn't Another Snapshot Feature: What Volume Health Monitoring and Mutable PV Affinity Actually Buy a Self-Hosted Fleet
·Dora Noda·8 min

Kubernetes SIG Storage's Next Move Isn't Another Snapshot Feature: What Volume Health Monitoring and Mutable PV Affinity Actually Buy a Self-Hosted Fleet

Kubernetes SIG Storage's Volume Health Monitoring and Mutable PV Affinity don't need Hetzner's still-missing CSI snapshot support to matter — but only one of them actually works on a self-hosted fleet today. Here's the verified breakdown of both KEPs, straight from the spec text and the driver source.

self-hosting
PaaS
Kubernetes
infrastructure
+1
Railway vs. Fly.io vs. Owning the Box: The Cost Comparison No PaaS Vendor Will Run For You
·Dora Noda·9 min

Railway vs. Fly.io vs. Owning the Box: The Cost Comparison No PaaS Vendor Will Run For You

Northflank's Railway-vs-Fly.io teardown never asks what the same workload costs on an owned Hetzner box — here's the post-price-hike math, tier by tier, including the one case where per-second billing is supposed to win.

PaaS
self-hosting
cost-optimization
infrastructure
+1
Showing 1306–1314 of 1732 posts