GFGuilherme Ferreiraingferreir.hashnode.dev·6h ago · 12 min readOpenShift application Day-2: 7 guardrails that refuse the bad state in GitThe problem that troubleshooting does not solve Part 2 delivered a runbook of ten commands. The team knows how to diagnose a CrashLoop, how to tell a 503 from a 502 on the Route, and that oc logs --pr00
ABAnshul Bishtinanshulbisht.hashnode.dev·17h ago · 13 min readBuilding an Autonomous SRE K8s Sentinel: Building an Autonomous Kubernetes Incident Triage Agent on TrueForge An agent that investigates your cluster instead of telling you what to investigate. Built for the Agent Harness Hack00
SSunnyinsunny-snskarora.hashnode.dev·11h ago · 18 min read🌪️ HomeLab Chronicles: Episode 4 - TurbulenceHey all 👋Sit tight! Because this is a little lengthy one. Last episode I closed by announcing that I would be adding two more nodes and bringing in Cilium. Confident. Specific. A real roadmap. The De00
JJJozzieTechinjjozzietech.hashnode.dev·1d ago · 21 min readThe wildcard cert saga — eight days from expiry, three failed attempts, one flagCert-expiry monitoring is one of those systems that runs quietly for months and then, suddenly, starts asking for your attention with growing volume. On the Akash provider running out of the Sydney ra00
FFerinferztyle.me·1d ago · 18 min readBuild an MCP Server in Go (Part 3): How IRSA and EKS Pod Identity Actually WorkEverything the MCP server could check through Part 2 lives inside the cluster. But "my pod can't reach S3" is very often not a Kubernetes problem at all, it's a workload identity problem, and that ide00
LBLalit Baggainblog.lalitbagga.com·1d ago · 8 min readThe Rollback Worked. My Next Deploy Could Break It Again.My application was working again. That should have been the end of the problem. It was not. In [the first article in this series(https://blog.lalitbagga.com/posts/why-i-chose-k3s-debian-homelab), I bu00
GFGuilherme Ferreiraingferreir.hashnode.dev·1d ago · 12 min readApplication troubleshooting on OpenShift: 10 commands before blaming the clusterThe problem that the first wrong command amplifies The API Route stops responding at 2 PM on a Wednesday. The incident reaches the team channel and the first reflex is oc get nodes. The nodes are Read00
CECloudLink Editorialincloudlink-engineering.hashnode.dev·1d ago · 8 min readHardened Multi-Cluster Ingress: Automating Zero-Trust TLS Certificates with cert-manager and Let's EncryptBy Azzedine Rih Multi-cluster ingress turns certificate management into a distributed-systems problem. Each cluster may have a different ingress controller, failure domain, DNS path, and release caden00
Kkanikasaikalyaninkanikasaikalyan.hashnode.dev·2d ago · 7 min readUnderstanding Linux Architecture: User Space, Kernel Space and HardwareA beginner-friendly journey into how Linux is structured internally Introduction When I first started working with Linux, I spent most of my time running commands, managing services, checking logs, a00
Kkanikasaikalyaninkanikasaikalyan.hashnode.dev·2d ago · 8 min readLinux Kernel Explore Dive: Processes, Memory Management and System CallsUnderstanding what happens behind the scenes when Linux is running your applications. Introduction In the previous article, we explored Linux architecture and learned that the operating system can be00
