Published inITNEXTKubernetes: PVC в StatefulSet, and the “Forbidden updates to statefulset spec” errorIncreasing PersistentVolumeClaim for StatefulSet in Kubernetes without deleting Pods and downtime6d ago6d ago
Published inITNEXTKubernetes: what are the Kubernetes Operator and CustomResourceDefinitionDive into how Kubernetes Operators work, what role CustomResourceDefinition plays, and write an example of a Kubernetes Operator with…Jul 24Jul 24
Published inITNEXTKubernetes: Kubernetes API, API groups, CRDs, and the etcdWhat are the Kubernetes API, API Groups, CustomResourceDefinitions, and what role does etcd play in all of this.Jul 21Jul 21
Published inITNEXTKubernetes: Pod resources.requests, resources.limits та Linux cgroupDiving into the Linux cgroups and Kubernetes Pod resources: what are CPU Unit, CPU Share, Kubernetes cgroup slices, and how…Jul 20A response icon1Jul 20A response icon1
Published inITNEXTTCP/IP: OSI and TCP/IP models, TCP packets, Linux sockets and portsOSI and TCP/IP models and protocols, TCP and IP headers, packets, TCP handshake, packets analysis with Wireshark, sockets and the TCP StackJul 19Jul 19
Published inITNEXTKubernetes: 503 errors with AWS ALB possible causes and solutionsAfter migration to a new EKS cluster, we started getting alerts about 503 errors sometimes.Jul 10Jul 10
Published inITNEXTVictoriaMetrics: migrating VMSingle and VictoriaLogs data between Kubernetes clustersExample of transferring VictoriaMetrics metrics and VictoriaLogs logs between two Kubernetes clusters using vmctl and rsyncJul 9Jul 9
Published inITNEXTTerraform: using import, and some hidden pitfallsIntroduction to Terraform imports, importing into a module, and some non-obvious aspects of working with importJun 15Jun 15
Published inITNEXTTerraform: data types, loops, indexes, and the “resource must be replaced” issueAn example of how Not To do, or how indexes in for_each break logic and lead to resource recreation with TerraformJun 4Jun 4
Published inITNEXTAI: Introduction to Ollama for local LLM launchIntroduction to Ollama, launching local models, creating own model from Modelfile, and connecting Roo Code to the local LLMMay 31May 31
