https://kubo.hexabase.io/blog/en Technical articles on Kubernetes, K3s, and Proxmox. en Thu, 28 May 2026 10:36:57 GMT 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-managerKubernetesTLSLet's 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