AKAmir Kolahiinamirkolahi.ir·Jul 2 · 21 min readCeph Storage Cluster — From Concepts to a Working ApplicationA complete, hands-on reference covering Ceph architecture, a 3-node cluster deployment with cephadm, object (RGW/S3) and block (RBD) storage, and a containerized application that consumes both. Enviro53MCA
ODOlujimi David T.inredis-simple-until-production.hashnode.dev·Jun 8 · 8 min readRedis ACLs: Why a Private Network Isn’t EnoughPlacing Redis inside a private network is a common first step, but it only controls who can reach Redis, not what they can do once they get there. By default, Redis requires no authentication and list00
ABAjay Bhakarinajay033.hashnode.dev·Jun 3 · 4 min readKubernetes for Beginners: A Complete GuideHave you ever wondered how companies like Netflix, Spotify, Amazon, or Google keep their applications running smoothly for millions of users every day? Imagine thousands of people streaming movies, sh00
GGGabriel Gonzalezinbeyondbaremetal.hashnode.dev·Jun 1 · 5 min readProxmox ClusteringOverview The Proxmox VE cluster manager, pvecm, is a tool to create a group of physical servers. Such a group is called a cluster. We use the Corosync Cluster Engine for reliable group communication. 00
ACAlex Chernyshinbernstein.hashnode.dev·May 11 · 8 min readShipping the orchestrator onto someone else's boxThis is the on-prem / regulated-deployment notes for 1.10 — mTLS cluster mode, signed lineage records, air-gapped install, a capability gate against the lethal-trifecta exfiltration class. If you're looking for "how to install it on my laptop," that'...00
HSHema Sundharam Kollainhemasundharamkolla.hashnode.dev·Apr 1 · 6 min read🚀 Kubernetes Debugging Deep Dive: From “Metrics API Not Available” to Fully Working HPA (Step-by-Step Real Troubleshooting)If you’ve ever tried setting up Metrics Server + HPA (Horizontal Pod Autoscaler) and got stuck with errors like: error: Metrics API not available cpu: <unknown>/5% False (MissingEndpoints) CrashLoopBa00
DMDebasish Mahatoinblog-linux-pacemaker-healthcheck.hashnode.dev·Mar 25 · 1 min readEssential Commands to Verify Linux Pacemaker Cluster System HealthThis quick reference lists essential commands to verify the health of a Pacemaker-based Linux cluster. It’s written for sysadmins and SREs who need fast, reliable checks — covering system information 01D
IEIfeanyi Ezeriohaingodwithus.hashnode.dev·Mar 19 · 23 min readClustering, NLP, and Dimensionality Reduction: When Your Data Has Stories to TellWeek 19 of my data science internship at DataraFlow was the most conceptually diverse week yet; three entirely different problem domains in a single notebook, each requiring a completely different men00
PPPranoti Patilinai-for-multidisciplinary-application.hashnode.dev·Mar 6 · 5 min read22. K-Means ClusteringIntroduction to Cluster Have you ever noticed that customers in a mall don’t behave the same?”Some people earn high salary but spend less,some earn less but spend more,and some are in between. Can we 10
LGLavish Guptainlavishgupta.hashnode.dev·Feb 16 · 5 min readUnderstanding Kubernetes ArchitectureKubernetes is everywhere today. Whether you deploy applications on AWS EKS, Azure AKS, or Google GKE, Kubernetes is the system managing your containers behind the scenes. If you are starting with Kubernetes, the hardest part is not running commands. ...00