ABAnshul Bishtinanshulbisht.hashnode.dev·1d 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
GFGuilherme Ferreiraingferreir.hashnode.dev·1d 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
GFGuilherme Ferreiraingferreir.hashnode.dev·2d 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
Kkanikasaikalyaninkanikasaikalyan.hashnode.dev·3d 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
SCSherdil Cloudinsherdil-cloud.hashnode.dev·2d ago · 5 min readCloud Infrastructure Isn't a Product You Buy, It's a System You Co-BuildPublic cloud spend hits $723B in 2026 and 89% of organizations run multi-cloud (Flexera 2025), so on paper, infrastructure is a solved problem. In practice, teams still treat it like something a vendo00
GFGuilherme Ferreiraingferreir.hashnode.dev·2d ago · 13 min readOpenShift Application Day-2: 7 Mistakes That Take Down the Service, Not the ClusterThe first oc apply in the namespace usually passes. The Route responds, the pod reaches Running, and the pipeline turns green. Everything works — until the Route certificate expires with no warning, t00
Kkanikasaikalyaninkanikasaikalyan.hashnode.dev·2d ago · 7 min readUnderstanding Linux Users, Root, Groups and OwnershipThe foundation of security and access control in Linux Introduction In the previous articles, we explored Linux architecture and learned how the kernel manages processes, memory, devices, and system 00
SPSruthi Palleinsruthipalle.hashnode.dev·4d ago · 8 min readProduction-Grade Terraform (Part 4) —Solving "Checksum Verification Failed" &Terraform Dependency Lock File1. 🔒 Terraform Dependency Lock File (.terraform.lock.hcl) The lock file is our "Infrastructure Receipt." It ensures that every team member and our CI/CD pipeline use the exact same provider versions,00
AKAniket Kumarinblog.crypticani.dev·4d ago · 19 min readFour AI-native DevOps services in 30 days — and what each one measuredI set myself a 30-day challenge: build AI-native DevOps tooling from scratch — one project a week, no agent frameworks until I could explain the underlying loop by hand. Four projects came out of it, 44KA