KKIM KYUNGHWAN·3h agoPrometheus data lost after pod restart? How to set kube-prometheus-stack persistent storage (a storageSpec PVC) without losing the emptyDir dataPrometheus data lost after pod restart? kube-prometheus-stack keeps the TSDB on an emptyDir unless storageSpec is set. How to check, and how to set persistent storage (a storageSpec PVC) without losing the emptyDir data.24 min read·kkhdevs.hashnode.dev
KKIM KYUNGHWAN·7h agoWill Argo CD auto-prune delete your namespace? How to prevent it with Prune=false and Delete=falseArgo CD auto-prune deletes a Namespace or CRD whose manifest leaves Git. Tested on v3.2.0: Prune=false and Delete=false prevent it. How to check yours.30 min read·kkhdevs.hashnode.dev
RRokkhe·1h agoFind leaked secrets in Git and rotate them before they are usedScan the working tree and the full history, turn on push protection, and rotate credentials in the right order. Rewriting history is not a fix by itself.9 min read·rokkhe.hashnode.dev
DDavid Pataki·9h agoBuilding CI/CD for Oracle APEX – Part 4: From Environment Differences to Reviewable ChangesHow I combine DDL audit events, developer activity and Oracle APEX component comparisons to understand changes before deployment.6 min read·davidpataki.com2
BBaoKhang·11h ago31% to 58% Faster Java Pods on Kubernetes: Benchmarking JDK 25 Leyden AOT from Microservices to a 458-JAR MonolithSingle-pod readiness dropped by 31% to 58% across all four GKE workload tiers. Here is what happened to archive fetches, node caches, and live HPA 1→9 bursts.3 min read·baokhang.hashnode.dev
OOm Kanse·11h agoBuilding AWS Infrastructure with Terraform: My First Hands-on IaC ProjectA practical walkthrough of provisioning and securing AWS S3 using Terraform.9 min read·omkanse.hashnode.dev
IInstaWebhook·2h agoLow-Level Ingress Architecture: eBPF Rate Limiting, Fast Signature Verification, and HTTP/3 for Webhook InfrastructureProtect your webhook infrastructure from L4 amplification and flood attacks. Learn how to implement eBPF Traffic Control (TC) rate limiting before16 min read·instawebhook.hashnode.dev
AAnna Skokova·3h agoWhy I run AI coding agents on a separate Mac (and how to set one up)Running Claude Code or Codex on your main laptop is risky. Here are the options and a step-by-step setup for a separate agent Mac.7 min read·annaskokova.hashnode.dev1
GGonzalo Gjuka·5h agoOCI user OCID: where to find the user OCID, tenancy OCID, compartment and fingerprint, and why the CLI returns 401This site's OCI guide explains how to generate the API key and paste it into Control Cloud. Search Console shows people arriving with searches like "user ocid" and "oci auth", which is the step before6 min read·controlcloud.hashnode.dev
AAbdus Salam·13h agoMy Automation Smiled at Me for 6 Days. It Never Ran Once.A week of scheduled posts stalled with no error and no record. What I check now: alerts on absence, verifying the artifact exists, never trusting a green queue.4 min read·aheadkit.hashnode.dev
