https://kubo.hexabase.io/blog/en Technical articles on Kubernetes, K3s, and Proxmox. en Tue, 01 Sep 2026 09:10:01 GMT https://kubo.hexabase.io/blog/en/k3s-container-image-security-supply-chain-checklist https://kubo.hexabase.io/blog/en/k3s-container-image-security-supply-chain-checklist Mon, 24 Aug 2026 00:00:00 GMT Container security guidelines often stop at 'we run a scanner.' This guide walks through the practical checklist you need to pass before production in K3s: minimal base images, vulnerability scanning, SBOM generation, signing, and admission control. Kubo Team k3skubernetescontainer-securityimage-scanningsbomsupply-chain-security https://kubo.hexabase.io/blog/en/k3s-harbor-private-registry-docker-hub-rate-limit https://kubo.hexabase.io/blog/en/k3s-harbor-private-registry-docker-hub-rate-limit Sun, 23 Aug 2026 00:00:00 GMT Docker Hub's pull rate limit is an increasingly real risk to image pulls on production K3s clusters. Kubo explains the design decisions and hidden costs of self-hosting Harbor, a CNCF Graduated project. Kubo Team k3skubernetesharborcontainer-registrycncf https://kubo.hexabase.io/blog/en/kubernetes-cost-management-eks-aks-billing-visibility https://kubo.hexabase.io/blog/en/kubernetes-cost-management-eks-aks-billing-visibility Sat, 22 Aug 2026 00:00:00 GMT Why do Kubernetes costs on EKS/AKS balloon unexpectedly? We break down how autoscaling and cross-AZ billing hide costs, and explore how K3s-based managed infrastructure turns them into a fixed cost. Kubo Team k3skubernetescost-optimizationmanaged-kubernetesaksfinops https://kubo.hexabase.io/blog/en/kubernetes-operations-specialization-managed-k3s-hiring https://kubo.hexabase.io/blog/en/kubernetes-operations-specialization-managed-k3s-hiring Fri, 21 Aug 2026 00:00:00 GMT Why do Kubernetes operations roles stay unfilled for months? It isn't a lack of tool knowledge — it's that the discipline has splintered into too many specialties. Instead of hiring more heads, absorb the specialization into the platform with managed K3s. Kubo Team k3skubernetesmanaged-kubernetesdevopsplatform-engineering https://kubo.hexabase.io/blog/en/k3s-opentelemetry-observability-correlation https://kubo.hexabase.io/blog/en/k3s-opentelemetry-observability-correlation Thu, 20 Aug 2026 00:00:00 GMT Are you burning incident-response time checking Prometheus, Loki, and Jaeger separately? Learn how to correlate metrics, logs, and traces with OpenTelemetry to cut investigation time on K3s clusters, with practical Collector deployment patterns. Kubo Team k3skubernetesopentelemetryobservabilitydistributed-tracing https://kubo.hexabase.io/blog/en/cncf-project-maturity-graduation-criteria-production https://kubo.hexabase.io/blog/en/cncf-project-maturity-graduation-criteria-production Wed, 19 Aug 2026 00:00:00 GMT When adopting CNCF projects for your Kubernetes stack, are you judging them by GitHub stars and name recognition alone? Learn the Sandbox/Incubating/Graduated maturity framework and the Harbor case study to know what to check before production. Kubo Team k3skubernetescncfoss-governancecontainer-registry https://kubo.hexabase.io/blog/en/ai-agent-authentication-kubernetes-keycloak-spiffe https://kubo.hexabase.io/blog/en/ai-agent-authentication-kubernetes-keycloak-spiffe Tue, 18 Aug 2026 00:00:00 GMT Handing AI agents static API keys is an operating model that eventually breaks down. This article explains why static secrets hit a wall when running MCP servers on Kubernetes, and how Keycloak combined with SPIFFE/SPIRE enables a 'keyless' authentication design. Kubo Team k3skubernetesai-agentmcpkeycloakzero-trust https://kubo.hexabase.io/blog/en/gitlab-auto-devops-k3s-admission-controller-gate https://kubo.hexabase.io/blog/en/gitlab-auto-devops-k3s-admission-controller-gate Mon, 17 Aug 2026 00:00:00 GMT GitLab Auto DevOps runs SAST/DAST automatically the moment you turn it on. But a scan 'running' and a vulnerable image never reaching your production K3s cluster are two completely different things. Here's how to build an audit gate between CI/CD and the cluster. Kubo Team k3skubernetesgitlabci-cddevsecopsadmission-controller https://kubo.hexabase.io/blog/en/kubernetes-cni-overlay-network-troubleshooting-ospf https://kubo.hexabase.io/blog/en/kubernetes-cni-overlay-network-troubleshooting-ospf Sun, 16 Aug 2026 00:00:00 GMT Why does troubleshooting a Kubernetes overlay network take so long? This article breaks down how CNI works, the differences between Flannel VXLAN and Calico BGP, and the step-by-step process for isolating MTU mismatches that every K3s operator should know. Kubo Team k3skubernetescnioverlay-networknetworking https://kubo.hexabase.io/blog/en/kubernetes-ebpf-inspektor-gadget-observability https://kubo.hexabase.io/blog/en/kubernetes-ebpf-inspektor-gadget-observability Sat, 15 Aug 2026 00:00:00 GMT When you can't add a privileged container or inject a sidecar into a production Kubernetes cluster, how do you diagnose Pod traffic and syscalls? We explain how the eBPF tool Inspektor Gadget works, and what happened to it in 2026. Kubo Team k3skubernetesebpfobservabilitycncf https://kubo.hexabase.io/blog/en/kubernetes-servicemonitor-silent-metrics-failure https://kubo.hexabase.io/blog/en/kubernetes-servicemonitor-silent-metrics-failure Fri, 14 Aug 2026 00:00:00 GMT Your kubernetes service monitor isn't being scraped and there's no error to explain why. The root cause is almost always one of three things: label mismatches, a missing namespaceSelector, or RBAC. Here's how to diagnose each one against the official docs. Kubo Team k3skubernetesprometheusobservabilityservicemonitor https://kubo.hexabase.io/blog/en/kubernetes-gpu-multitenancy-namespace-vs-dedicated-node https://kubo.hexabase.io/blog/en/kubernetes-gpu-multitenancy-namespace-vs-dedicated-node Thu, 13 Aug 2026 00:00:00 GMT Kubernetes GPU multi-tenancy isn't a binary choice between namespace isolation and dedicated nodes. This article breaks down the cost-vs-isolation trade-off and how to design a hybrid approach. Kubo Team k3skubernetesgpu-multitenancycost-optimizationnamespace-isolation https://kubo.hexabase.io/blog/en/kubernetes-gitops-branch-antipattern-fleet-scaling https://kubo.hexabase.io/blog/en/kubernetes-gitops-branch-antipattern-fleet-scaling Mon, 10 Aug 2026 00:00:00 GMT Splitting dev/staging/production by Git branch is a GitOps anti-pattern that undermines Kubernetes' declarative foundations. Learn why drift happens, how to migrate to a directory-based, trunk-based setup, and how to design for fleet-scale growth. Kubo Team k3skubernetesgitopsargocddevops https://kubo.hexabase.io/blog/en/kubernetes-certificate-management-cert-manager-process-debt https://kubo.hexabase.io/blog/en/kubernetes-certificate-management-cert-manager-process-debt Sun, 09 Aug 2026 00:00:00 GMT Kubernetes certificate management is technically a matter of days. What actually takes time is the organizational process of getting sign-off. Here's how cert-manager automates the technical side, and how to design away the operational debt that remains. Kubo Team k3skubernetescert-managertlssecurity https://kubo.hexabase.io/blog/en/ai-agent-sandbox-kata-containers-kubernetes https://kubo.hexabase.io/blog/en/ai-agent-sandbox-kata-containers-kubernetes Sat, 08 Aug 2026 00:00:00 GMT Code generated and executed by AI agents can no longer be treated as a trusted, reviewed product. This article explains the limits of container isolation and why Kata Containers' microVM isolation is becoming essential when designing AI agent sandboxes on Kubernetes. Kubo Team k3skuberneteskata-containersai-agentsecurity https://kubo.hexabase.io/blog/en/kubevirt-calico-live-migration-networking https://kubo.hexabase.io/blog/en/kubevirt-calico-live-migration-networking Fri, 07 Aug 2026 00:00:00 GMT Why doesn't live migrating a VM (KubeVirt) between Kubernetes nodes break the connection? We break down Calico's IP persistence and BGP route convergence, and what it means for teams moving off VMware. Kubo Team k3skuberneteskubevirtnetworkingmanaged-kubernetes https://kubo.hexabase.io/blog/en/kubernetes-image-signing-sigstore-supply-chain https://kubo.hexabase.io/blog/en/kubernetes-image-signing-sigstore-supply-chain Thu, 06 Aug 2026 00:00:00 GMT Container image signing explained: tags can be overwritten by anyone, and passing CI tests doesn't guarantee the image running in production is the one you built. Learn how Sigstore and Kyverno work together to reject unsigned images on Kubernetes/K3s, integrated into a GitOps workflow. Kubo Team k3skubernetesci-cdgitopssecurity https://kubo.hexabase.io/blog/en/kubernetes-high-availability-broadcast-seamless-switching https://kubo.hexabase.io/blog/en/kubernetes-high-availability-broadcast-seamless-switching Wed, 05 Aug 2026 00:00:00 GMT World Cup broadcasts duplicate every camera feed across two independent paths and simply discard whichever packet arrives second. That seemingly wasteful design shares the same philosophy as Kubernetes high availability and multi-AZ architecture. Kubo Team k3skuberneteshigh-availabilitymulti-azsre https://kubo.hexabase.io/blog/en/ai-generated-kubernetes-manifest-resource-overprovisioning https://kubo.hexabase.io/blog/en/ai-generated-kubernetes-manifest-resource-overprovisioning Tue, 04 Aug 2026 00:00:00 GMT AI-generated Kubernetes manifests pass kubectl apply and 'work' — but getting Kubernetes resource design wrong drives massive overprovisioning. Here's why AI struggles with production-grade requests/limits and what to check before you ship. Kubo Team k3skubernetesresource-managementcapacity-planningmanaged-kubernetes https://kubo.hexabase.io/blog/en/k3s-edge-fleet-declarative-management https://kubo.hexabase.io/blog/en/k3s-edge-fleet-declarative-management Mon, 03 Aug 2026 00:00:00 GMT Fleet management for K3s edge operations breaks down once you're troubleshooting devices one at a time by hand. Here's how declarative management and Rancher Fleet let you design edge operations that don't depend on any single person. Kubo Team k3skubernetesedge-computinggitopsfleet-management https://kubo.hexabase.io/blog/en/kubernetes-microservices-chatty-calls-latency https://kubo.hexabase.io/blog/en/kubernetes-microservices-chatty-calls-latency Sun, 02 Aug 2026 00:00:00 GMT A single checkout request was quietly triggering five separate service calls behind the scenes. The culprit isn't bad code — it's the "chatty call" architecture that Kubernetes microservices tend to fall into. This article explains the distributed N+1 problem and how to fix it. Kubo Team kubernetesk3smicroservicesservice-meshlatencymanaged-kubernetes https://kubo.hexabase.io/blog/en/kubernetes-ai-inference-reversal-conformance-design https://kubo.hexabase.io/blog/en/kubernetes-ai-inference-reversal-conformance-design Sat, 01 Aug 2026 00:00:00 GMT AI compute demand has flipped from training to inference, with inference compute projected to reach 1.5x training capacity by 2030. Drawing on KubeCon Japan discussions and the CNCF AI Conformance Program, this article outlines what Kubernetes/K3s clusters need to look like in the inference era. Kubo Team kubernetesk3sai-inferencecncfmanaged-kubernetes https://kubo.hexabase.io/blog/en/hybrid-k3s-edge-metrics-network-overhead https://kubo.hexabase.io/blog/en/hybrid-k3s-edge-metrics-network-overhead Fri, 31 Jul 2026 00:00:00 GMT A field report from a large-scale K3s edge deployment covering 2,000+ devices: why lightweight Kubernetes gets chosen, and the hidden network cost of push-based metrics collection in a hybrid cluster architecture, backed by concrete numbers. For engineers and platform operators. Kubo Team k3skubernetesedge-computinghybrid-clustermanaged-kubernetes https://kubo.hexabase.io/blog/en/kubernetes-mlops-gpu-scheduling-talent-shortage https://kubo.hexabase.io/blog/en/kubernetes-mlops-gpu-scheduling-talent-shortage Thu, 30 Jul 2026 00:00:00 GMT Generative AI has made it possible for almost anyone to write code, yet as more companies adopt AI, demand for MLOps talent who can reliably run GPUs and model serving on Kubernetes keeps rising. Here's why, and how a managed Kubernetes platform can help. Kubo Team kubernetesk3smlopsai-infrastructuregpu-schedulingdevops https://kubo.hexabase.io/blog/en/kubernetes-secrets-rbac-etcd-encryption https://kubo.hexabase.io/blog/en/kubernetes-secrets-rbac-etcd-encryption Wed, 29 Jul 2026 00:00:00 GMT Kubernetes Secrets are only Base64-encoded, not encrypted. Learn how plaintext-equivalent storage in etcd and over-permissioned RBAC lead to real incidents, plus the concrete Secrets management practices you need for production K3s. Kubo Team kubernetesk3ssecrets-managementrbacsecurityetcd-encryption https://kubo.hexabase.io/blog/en/kubernetes-cpu-throttling-connection-pool-exhaustion https://kubo.hexabase.io/blog/en/kubernetes-cpu-throttling-connection-pool-exhaustion Tue, 28 Jul 2026 00:00:00 GMT When adding more Pods to Kubernetes doesn't fix latency, the real cause may not be CPU at all, but invisible throttling or database connection pool exhaustion. Here's how to diagnose and fix the hidden ceiling. Kubo Team kubernetesk3sperformance-tuningcpu-throttlingconnection-poolinghpa https://kubo.hexabase.io/blog/en/kubernetes-aiops-incident-response-distributed-tracing https://kubo.hexabase.io/blog/en/kubernetes-aiops-incident-response-distributed-tracing Mon, 27 Jul 2026 00:00:00 GMT Handing off Kubernetes incident response to AI doesn't help if the causal chain across a distributed system stays invisible. This piece covers the distributed tracing foundation that makes AIOps actually work, plus practical steps for adopting OpenTelemetry. Kubo Team kubernetesk3sobservabilitydistributed-tracingopentelemetryaiops https://kubo.hexabase.io/blog/en/edge-k3s-observability-homelab-dashboard https://kubo.hexabase.io/blog/en/edge-k3s-observability-homelab-dashboard Sun, 26 Jul 2026 00:00:00 GMT The trial-and-error troubleshooting behind a home-lab wall-mounted dashboard is the same trap that hits edge Kubernetes clusters scattered across factories and stores. Drawing on official K3s, Prometheus, and Grafana docs, this piece lays out design principles for not deferring observability. Kubo Team k3skubernetesedge-computingobservabilitymonitoringmanaged-kubernetes https://kubo.hexabase.io/blog/en/kubernetes-multi-tenancy-capsule-namespace-isolation https://kubo.hexabase.io/blog/en/kubernetes-multi-tenancy-capsule-namespace-isolation Sat, 25 Jul 2026 00:00:00 GMT Splitting environments by namespace doesn't automatically carry over policies or resource limits. This article breaks down the pitfalls of Kubernetes multi-tenancy and compares three practical solutions: Capsule, vCluster, and HNC. Kubo Team k3skubernetesmulti-tenancycapsulenamespacemanaged-kubernetes https://kubo.hexabase.io/blog/en/kubernetes-feature-flags-progressive-delivery-rollback https://kubo.hexabase.io/blog/en/kubernetes-feature-flags-progressive-delivery-rollback Fri, 24 Jul 2026 00:00:00 GMT Stacking more QA tests doesn't reduce production incidents, because it's fundamentally impossible to enumerate every edge case in advance. This article explains the 'design for failure' mindset behind feature flags, monitoring, and automated rollback in Kubernetes, plus a practical adoption roadmap for K3s environments. Kubo Team k3skubernetesfeature-flagsprogressive-deliverydevopsmanaged-kubernetes https://kubo.hexabase.io/blog/en/cncf-graduated-project-oss-selection-criteria https://kubo.hexabase.io/blog/en/cncf-graduated-project-oss-selection-criteria Thu, 23 Jul 2026 00:00:00 GMT The CNCF 'Graduated' badge is not a safety certificate. Drawing on TOC public meeting notes and official documentation, this article explains the real review process behind Sandbox, Incubating, and Graduated status, and how to judge OSS maturity before adopting it in production. Kubo Team cncfkubernetesk3sossmanaged-kubernetesgovernance https://kubo.hexabase.io/blog/en/kubernetes-networking-cni-service-mesh-network-engineer https://kubo.hexabase.io/blog/en/kubernetes-networking-cni-service-mesh-network-engineer Wed, 22 Jul 2026 00:00:00 GMT You're great at subnet design, so why does Pod-to-Pod communication in Kubernetes trip you up every time? We break down the fundamentals of Kubernetes networking—CNI, Service Mesh, and NetworkPolicy—by contrasting them with traditional network design. Kubo Team kubernetesk3snetworkingcniservice-meshnetwork-policy https://kubo.hexabase.io/blog/en/kubernetes-namespace-environment-cost-design https://kubo.hexabase.io/blog/en/kubernetes-namespace-environment-cost-design Tue, 21 Jul 2026 00:00:00 GMT Every new dev, test, and staging environment adds to your Kubernetes cloud bill. Learn how namespace isolation, ResourceQuota, and a hybrid dedicated-cluster-for-production model balance cost and isolation. Kubo Team kubernetesk3snamespacecost-optimizationmanaged-kubernetesresource-quota https://kubo.hexabase.io/blog/en/broadcast-redundancy-kubernetes-high-availability-design https://kubo.hexabase.io/blog/en/broadcast-redundancy-kubernetes-high-availability-design Mon, 20 Jul 2026 00:00:00 GMT Kubernetes high availability isn't achieved simply by adding more replicas. Using the broadcast industry's SMPTE ST 2022-7 dual-path transmission as a lens, this article unpacks what Topology Spread Constraints and multi-AZ design actually mean. Kubo Team kubernetesk3shigh-availabilitytopology-spread-constraintssremanaged-kubernetes https://kubo.hexabase.io/blog/en/qa-to-devops-kubernetes-career-transition https://kubo.hexabase.io/blog/en/qa-to-devops-kubernetes-career-transition Sun, 19 Jul 2026 00:00:00 GMT The quality-gate mindset and test automation skills QA engineers already have map directly onto Kubernetes operations aptitude. Here's a realistic six-month roadmap for making the switch, and how to clear the biggest obstacle in the way. Kubo Team kubernetesk3sdevopsci-cdcareer https://kubo.hexabase.io/blog/en/ai-manifest-generation-kubernetes-architecture-bottleneck https://kubo.hexabase.io/blog/en/ai-manifest-generation-kubernetes-architecture-bottleneck Sat, 18 Jul 2026 00:00:00 GMT Generating Kubernetes manifests at AI speed doesn't make production Kubernetes operations faster. This article breaks down three real bottlenecks — CPU throttling, the HPA/VPA conflict, and database connection starvation — and how to split the work between AI and humans. Kubo Team kubernetesk3sresource-managementautoscalingai-opsdevops https://kubo.hexabase.io/blog/en/shadow-ai-kubernetes-admission-control-governance https://kubo.hexabase.io/blog/en/shadow-ai-kubernetes-admission-control-governance Fri, 17 Jul 2026 00:00:00 GMT Shadow AI isn't just unauthorized SaaS tools. It's happening inside your Kubernetes clusters too. Here's the risk it creates, and how Admission Control turns detection into real governance. Kubo Team kubernetesk3sshadow-aiadmission-controlkyvernosecurity https://kubo.hexabase.io/blog/en/platform-engineering-kubernetes-idp-managed-k3s https://kubo.hexabase.io/blog/en/platform-engineering-kubernetes-idp-managed-k3s Thu, 16 Jul 2026 00:00:00 GMT An explainer on the relationship between platform engineering and Kubernetes — the design philosophy of shielding developers from K8s complexity, the three pillars of building an IDP, and managed K3s as an alternative. Kubo Team kubernetesk3splatform-engineeringinternal-developer-platformgitopsmanaged-kubernetes https://kubo.hexabase.io/blog/en/canary-release-kubernetes-auto-rollback-gitops https://kubo.hexabase.io/blog/en/canary-release-kubernetes-auto-rollback-gitops Wed, 15 Jul 2026 00:00:00 GMT Most production incidents happen because teams deploy everything at once. This article walks through how to design canary releases, automated rollback, and monitoring on Kubernetes using Argo Rollouts and GitOps — with practical steps small teams can actually sustain. Kubo Team kubernetesk3sci-cdcanary-releasegitopsargo-rollouts https://kubo.hexabase.io/blog/en/private-cloud-openstack-k3s-day2-operations https://kubo.hexabase.io/blog/en/private-cloud-openstack-k3s-day2-operations Tue, 14 Jul 2026 00:00:00 GMT As VMware migration costs and cloud bills climb in 2026, more companies are reconsidering private cloud. This article examines the real build cost and Day 2 operational burden of self-managed OpenStack + K3s, using actual operational data and industry statistics, to clarify when in-house builds make sense versus a managed Kubernetes service. Kubo Team k3skubernetesopenstackprivate-cloudon-premise https://kubo.hexabase.io/blog/en/mlops-kubernetes-devops-ai-skills-2026 https://kubo.hexabase.io/blog/en/mlops-kubernetes-devops-ai-skills-2026 Sat, 11 Jul 2026 00:00:00 GMT As AI automates infrastructure, are DevOps engineers really becoming irrelevant? The reality is the opposite — demand for MLOps Kubernetes talent is surging. Here are the 5 skills you need in 2026. Kubo Team kubernetesmlopsdevopsk3sci-cdai-infrastructure https://kubo.hexabase.io/blog/en/ai-platform-kubernetes-convergence-2026 https://kubo.hexabase.io/blog/en/ai-platform-kubernetes-convergence-2026 Fri, 10 Jul 2026 00:00:00 GMT CNCF's 2026 survey shows 66% of GenAI organizations run on Kubernetes. From GPU scheduling to multi-tenancy and cost optimization — here's why K8s has become the de facto AI platform, and how managed K8s can cut your build time to zero. Kubo Team kubernetesaiplatform-engineeringmlopsk3sgpu https://kubo.hexabase.io/blog/en/managed-k8s-infrastructure-evolution-2026 https://kubo.hexabase.io/blog/en/managed-k8s-infrastructure-evolution-2026 Fri, 12 Jun 2026 00:00:00 GMT What is the 'stage-skipping trap' that DevOps engineers fall into? A comprehensive guide to why Managed Kubernetes is the optimal solution, explained through infrastructure evolution theory Kubo Team kubernetesdevopsmanaged-servicesinfrastructure-evolutionk3s https://kubo.hexabase.io/blog/en/kubernetes-v136-k3s-managed-cost-reduction https://kubo.hexabase.io/blog/en/kubernetes-v136-k3s-managed-cost-reduction Thu, 28 May 2026 00:00:00 GMT Explore how to leverage Kubernetes v1.36 'Haru' enhanced User Namespaces and security features in K3s lightweight environments. Discover managed K3s operational strategies and 2026 infrastructure selection guidelines that achieve 60% cost reduction compared to EKS. Kubo Team k3skuberneteskubernetes-v136managed-kubernetescost-optimizationsecurity https://kubo.hexabase.io/blog/en/argocd-gitops-kubernetes-guide https://kubo.hexabase.io/blog/en/argocd-gitops-kubernetes-guide Wed, 27 May 2026 00:00:00 GMT A practical guide to GitOps-based Kubernetes declarative deployment with ArgoCD. Covers repository structure, Sync Waves, ApplicationSets, and multi-cluster management. Kubo Team argocdgitopskubernetesci-cddeployment-automationdeclarative-management https://kubo.hexabase.io/blog/en/cert-manager-automatic-tls https://kubo.hexabase.io/blog/en/cert-manager-automatic-tls Wed, 27 May 2026 00:00:00 GMT Automate TLS certificate issuance and renewal in Kubernetes using cert-manager. Covers Let's Encrypt, ACME challenges, Ingress integration, and best practices. Kubo Team cert-managerkubernetestlslets-encryptacmecncfsecuritycertificates https://kubo.hexabase.io/blog/en/cicd-pipeline-security-devsecops https://kubo.hexabase.io/blog/en/cicd-pipeline-security-devsecops Wed, 27 May 2026 00:00:00 GMT A practical guide to ci-cd pipeline security from a DevSecOps perspective. Covers SAST/DAST, supply chain protection, the SLSA framework, and Policy as Code. Kubo Team devsecopsci-cdsecuritysupply-chainslsakubernetes https://kubo.hexabase.io/blog/en/cilium-ebpf-kubernetes-networking https://kubo.hexabase.io/blog/en/cilium-ebpf-kubernetes-networking Wed, 27 May 2026 00:00:00 GMT Discover how Cilium uses eBPF to transform Kubernetes networking. Compare with traditional CNIs, explore L7 policies, and leverage Hubble for observability. Kubo Team ciliumebpfkubernetesnetworkingcnicncfsecurityhubble https://kubo.hexabase.io/blog/en/cncf-graduated-projects-2025-overview https://kubo.hexabase.io/blog/en/cncf-graduated-projects-2025-overview Wed, 27 May 2026 00:00:00 GMT A complete guide to all 36 CNCF Graduated projects. From Kubernetes and Prometheus to Cilium and Crossplane, explore production-proven OSS by category. Kubo Team cncfgraduatedcloud-nativeosskubernetesprometheusciliumopentelemetry https://kubo.hexabase.io/blog/en/container-registry-harbor-setup https://kubo.hexabase.io/blog/en/container-registry-harbor-setup Wed, 27 May 2026 00:00:00 GMT Complete guide to deploying and operating Harbor as your private container registry. Covers Trivy integration, RBAC, image replication, Helm deployment, and enterprise security features. Kubo Team harborcontainer-registrydockerkubernetessecuritytrivyrbac https://kubo.hexabase.io/blog/en/docker-compose-to-kubernetes-migration https://kubo.hexabase.io/blog/en/docker-compose-to-kubernetes-migration Wed, 27 May 2026 00:00:00 GMT A step-by-step guide for migrating Docker Compose applications to Kubernetes. Covers Kompose conversion, Helm/Kustomize production-readiness, storage, networking, and rollout strategies. Kubo Team docker-composekubernetesmigrationkomposehelmkustomizecontainer-orchestration https://kubo.hexabase.io/blog/en/docker-multi-stage-build-optimization https://kubo.hexabase.io/blog/en/docker-multi-stage-build-optimization Wed, 27 May 2026 00:00:00 GMT Master Docker multi-stage builds to reduce production images by up to 97%. Learn stage separation, layer caching, distroless base images, and ci-cd integration techniques. Kubo Team dockermulti-stage-buildcontainer-optimizationdevopsci-cdimage-size-reduction https://kubo.hexabase.io/blog/en/docker-networking-deep-dive https://kubo.hexabase.io/blog/en/docker-networking-deep-dive Wed, 27 May 2026 00:00:00 GMT A thorough comparison of Docker network drivers — bridge, host, and overlay. Understand the architecture, performance, security trade-offs, and use-case selection criteria with practical examples. Kubo Team dockernetworkingbridgeoverlayhostcontainersdocker-swarm https://kubo.hexabase.io/blog/en/docker-security-scanning-best-practices https://kubo.hexabase.io/blog/en/docker-security-scanning-best-practices Wed, 27 May 2026 00:00:00 GMT A practical guide to integrating vulnerability scanning into your container ci-cd pipeline. Compare Trivy, Snyk, and Grype, implement shift-left security, and build defense-in-depth with Harbor. Kubo Team dockersecurityvulnerability-scanningtrivysnykcontainer-securitydevsecops https://kubo.hexabase.io/blog/en/dockerfile-best-practices-2025 https://kubo.hexabase.io/blog/en/dockerfile-best-practices-2025 Wed, 27 May 2026 00:00:00 GMT Comprehensive 2025 Dockerfile best practices guide covering minimal base images, layer optimization, security hardening, BuildKit features, and production-ready container image construction. Kubo Team dockerfiledockerbest-practicescontainerssecuritybuildkitoptimization https://kubo.hexabase.io/blog/en/fluxcd-vs-argocd-comparison https://kubo.hexabase.io/blog/en/fluxcd-vs-argocd-comparison Wed, 27 May 2026 00:00:00 GMT An in-depth comparison of FluxCD and ArgoCD covering architecture, UI, multi-cluster support, resource usage, security models, Helm integration, and use-case recommendations. Kubo Team fluxcdargocdgitopskubernetescomparisoncncf https://kubo.hexabase.io/blog/en/github-actions-kubernetes-cicd https://kubo.hexabase.io/blog/en/github-actions-kubernetes-cicd Wed, 27 May 2026 00:00:00 GMT Learn how to build a Kubernetes ci-cd pipeline with GitHub Actions. Covers Helm deployments, ARC auto-scaling, security scanning, and production best practices. Kubo Team github-actionskubernetesci-cdhelmcontainersautomation https://kubo.hexabase.io/blog/en/gitlab-ci-container-deployment https://kubo.hexabase.io/blog/en/gitlab-ci-container-deployment Wed, 27 May 2026 00:00:00 GMT A practical guide to automating container deployment with GitLab ci-cd and the Kubernetes Agent. Covers pipeline setup, Auto DevOps, security, and multi-environment strategies. Kubo Team gitlabci-cdkubernetescontainersauto-devopsdeployment-automation https://kubo.hexabase.io/blog/en/grafana-dashboard-kubernetes-observability https://kubo.hexabase.io/blog/en/grafana-dashboard-kubernetes-observability Wed, 27 May 2026 00:00:00 GMT Design effective Grafana dashboards for Kubernetes observability using the RED method, Four Golden Signals, and production-proven best practices. Kubo Team grafanakubernetesobservabilitydashboardcncfprometheusmonitoringvisualization https://kubo.hexabase.io/blog/en/helm-charts-best-practices https://kubo.hexabase.io/blog/en/helm-charts-best-practices Wed, 27 May 2026 00:00:00 GMT A comprehensive guide to Helm chart development best practices in 2025. Covers template design, testing strategies, OCI registries, security, and ci-cd integration. Kubo Team helmkubernetespackage-managementchart-developmentbest-practicesgitops https://kubo.hexabase.io/blog/en/k3s-edge-iot-deployment https://kubo.hexabase.io/blog/en/k3s-edge-iot-deployment Wed, 27 May 2026 00:00:00 GMT Learn how to deploy K3s to edge and IoT environments. Covers Raspberry Pi setup, air-gapped installations, fleet management, and industry use cases. Kubo Team k3sedge-computingiotraspberry-piarmfleet-managementair-gap https://kubo.hexabase.io/blog/en/k3s-on-proxmox-cluster https://kubo.hexabase.io/blog/en/k3s-on-proxmox-cluster Wed, 27 May 2026 00:00:00 GMT Complete guide to deploying a lightweight K3s Kubernetes cluster on Proxmox VE, covering VM templates, HA configuration, storage, and Ingress setup. Kubo Team k3skubernetesproxmoxself-hostingcontainersclusterdevops https://kubo.hexabase.io/blog/en/k3s-production-best-practices https://kubo.hexabase.io/blog/en/k3s-production-best-practices Wed, 27 May 2026 00:00:00 GMT Learn how to run K3s in production with confidence. Covers HA architecture, security hardening, monitoring, backup strategies, and resource management. Kubo Team k3skubernetesproductionhigh-availabilitysecurityoperationsbest-practices https://kubo.hexabase.io/blog/en/k3s-vs-k8s-when-to-choose https://kubo.hexabase.io/blog/en/k3s-vs-k8s-when-to-choose Wed, 27 May 2026 00:00:00 GMT Compare K3s and standard Kubernetes across architecture, resource usage, and use cases. Find out which Kubernetes distribution fits your project best. Kubo Team k3skubernetesk8scomparisonselection-guidelightweight-kubernetesedge https://kubo.hexabase.io/blog/en/kubernetes-cost-optimization-guide https://kubo.hexabase.io/blog/en/kubernetes-cost-optimization-guide Wed, 27 May 2026 00:00:00 GMT Cut your Kubernetes cloud costs by 30-50% with proven optimization strategies. Includes EKS, AKS, GKE pricing comparison and Kubo's cost advantage analysis. Kubo Team kubernetescost-optimizationeksaksgkefinopscloud-costkubo https://kubo.hexabase.io/blog/en/kubernetes-hpa-vpa-autoscaling https://kubo.hexabase.io/blog/en/kubernetes-hpa-vpa-autoscaling Wed, 27 May 2026 00:00:00 GMT Master Kubernetes autoscaling with HPA, VPA, and KEDA. Learn each tool's strengths, combination patterns, and cost optimization impact with practical examples. Kubo Team kubernetesautoscalinghpavpakedakarpentercost-optimization https://kubo.hexabase.io/blog/en/kubernetes-network-policies-security https://kubo.hexabase.io/blog/en/kubernetes-network-policies-security Wed, 27 May 2026 00:00:00 GMT Implement zero trust networking in Kubernetes with Network Policies. From Default Deny to Cilium and Calico advanced policies with real YAML examples. Kubo Team kubernetesnetwork-policyzero-trustsecurityciliumcaliconetworking https://kubo.hexabase.io/blog/en/opentelemetry-distributed-tracing https://kubo.hexabase.io/blog/en/opentelemetry-distributed-tracing Wed, 27 May 2026 00:00:00 GMT A practical guide to distributed tracing with OpenTelemetry. Covers Collector setup, auto-instrumentation, Jaeger/Tempo integration, and Kubernetes best practices. Kubo Team opentelemetrydistributed-tracingkubernetescncfobservabilityjaegertempomicroservices https://kubo.hexabase.io/blog/en/prometheus-monitoring-kubernetes-guide https://kubo.hexabase.io/blog/en/prometheus-monitoring-kubernetes-guide Wed, 27 May 2026 00:00:00 GMT Master Kubernetes monitoring with Prometheus: from installation and PromQL queries to Alertmanager configuration and production best practices. Kubo Team prometheuskubernetesmonitoringcncfobservabilitypromqlalertmanager https://kubo.hexabase.io/blog/en/proxmox-backup-disaster-recovery https://kubo.hexabase.io/blog/en/proxmox-backup-disaster-recovery Wed, 27 May 2026 00:00:00 GMT Practical guide to Proxmox Backup Server covering 3-2-1 backup strategy, deduplication, encryption, remote sync, and disaster recovery procedures. Kubo Team proxmoxbackupdisaster-recoverypbsdata-protection3-2-1-ruleself-hosting https://kubo.hexabase.io/blog/en/proxmox-gpu-passthrough-ai-workloads https://kubo.hexabase.io/blog/en/proxmox-gpu-passthrough-ai-workloads Wed, 27 May 2026 00:00:00 GMT Complete guide to NVIDIA GPU passthrough on Proxmox VE for AI/ML workloads, covering IOMMU, VFIO configuration, and running Ollama and vLLM inference. Kubo Team proxmoxgpupassthroughaimachine-learningnvidiavfioiommu https://kubo.hexabase.io/blog/en/proxmox-high-availability-setup https://kubo.hexabase.io/blog/en/proxmox-high-availability-setup Wed, 27 May 2026 00:00:00 GMT Complete guide to building Proxmox VE HA clusters with Corosync configuration, fencing setup, HA groups, failover testing, and maintenance procedures. Kubo Team proxmoxhahigh-availabilityclusterfencingcorosyncinfrastructure https://kubo.hexabase.io/blog/en/proxmox-ve-complete-setup-guide https://kubo.hexabase.io/blog/en/proxmox-ve-complete-setup-guide Wed, 27 May 2026 00:00:00 GMT A comprehensive guide covering Proxmox VE installation, storage configuration, network setup, security hardening, and monitoring for production environments. Kubo Team proxmoxvirtualizationself-hostinginfrastructurelinuxzfsserver https://kubo.hexabase.io/blog/en/proxmox-vs-vmware-esxi-comparison https://kubo.hexabase.io/blog/en/proxmox-vs-vmware-esxi-comparison Wed, 27 May 2026 00:00:00 GMT In-depth comparison of Proxmox VE and VMware ESXi covering post-Broadcom cost changes, feature gaps, migration paths, and enterprise readiness. Kubo Team proxmoxvmwareesxivirtualizationcomparisonmigrationbroadcomcost-reduction https://kubo.hexabase.io/blog/en/kubernetes-ai-gpu-cost-optimization-dra https://kubo.hexabase.io/blog/en/kubernetes-ai-gpu-cost-optimization-dra Tue, 26 May 2026 00:00:00 GMT Break free from the current state of only 20-30% GPU utilization. Learn the latest 2026 techniques to achieve 50-70% AI infrastructure cost reduction through dynamic resource management with Kubernetes Dynamic Resource Allocation. Kubo Team kubernetesaigpudracost-optimization