Fredric News

Tag: Containers

  • Istio Service Mesh Installation & Ingress

    💡 Istio Service Mesh Installation & Ingress — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Istio Service Mesh Installation & Ingress.

  • Force Deleting Terminating Kubernetes

    💡 Force Deleting Terminating Kubernetes — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Force Deleting Terminating Kubernetes. References and Guidelines (NOTE) Verify differences from existing test results in v1.33.5+k3s1 version. Existing .spec.finalizers = [] is not useful Confirm normal deletion using the corresponding method .metadata.finalizers = [] Delete namespace with…

  • cert-manager Automated TLS Certificate

    💡 cert-manager Automated TLS Certificate — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for cert-manager Automated TLS Certificate. ca-certs.yaml yaml Copy apiVersion: cert-manager.io/v1 kind: Certificate metadata: name: my-ca-cert namespace: cert-manager spec: isCA: true # CA 인증서임을 명시 commonName: my-ca secretName: my-ca-secret issuerRef: name: my-selfsigned-ca kind: ClusterIssuer application-certs.yaml yaml Copy apiVersion: cert-manager.io/v1…

  • Kubernetes Multi-Cluster Access: kubeconfig

    💡 Kubernetes Multi-Cluster Access: kubeconfig — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Multi-Cluster Access: kubeconfig. Related documents Body 🔗 https://kubernetes.io/ko/docs/concepts/configuration/organize-cluster-access-kubeconfig/ bash Copy #[Target Cluster] ## ServiceAccount 생성 export KUBE_SA=jenkins export KUBE_NS=jenkins-Enterprise Cloud kubectl create sa -n ${KUBE_NS} ${KUBE_SA} ## SA ClusterRoleBinding 생성 – ## 인증토큰 얻기 kubectl get…

  • Kubernetes kube-proxy Metric Binding

    💡 Kubernetes kube-proxy Metric Binding — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes kube-proxy Metric Binding. Monitoring kube-proxy kube-proxy also provides a metrics endpoint called /metrics. However, because the default setting is 127.0.0.1:10249, it cannot be accessed from outside. So, if you try to collect it from prometheus, a…

  • Kubernetes Helm 3 Package Manager Setup

    💡 Kubernetes Helm 3 Package Manager Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Helm 3 Package Manager Setup. References and Guidelines (NOTE) Reference CLI DB: Glossary DB: included inthis: Install Helm Offline bash Copy wget https://get.helm.sh/helm-v3.8.2-linux-amd64.tar.gz # scp tar xvf helm-v3.8.2-linux-amd64.tar.gz cd linux-amd64 cp helm /usr/local/bin Official…

  • Karmada Multi-Cluster Control Plane Setup

    💡 Karmada Multi-Cluster Control Plane Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Karmada Multi-Cluster Control Plane Setup. Install Karmada 🔗 https://karmada.io/docs/installation/ Install kubectl-karmada-cli using krew [https://karmada.io/docs/installation/install-cli-tools#install-kubectl-karmada](https://karmada.io/docs/installation/install-cli-tools#install-kubectl-karmada) bash Copy kubectl krew install karmada karmada install bash Copy # ~/.kube/config or kubeconfig 설정 파일 다중클러스터 구성 후 진행 #설치 kubectl…

  • Istio Service Mesh: Envoy Sidecars

    💡 Istio Service Mesh: Envoy Sidecars — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Istio Service Mesh: Envoy Sidecars. Istiod Istiod Service Port 15010: grpc-xds 15012: https-dns 15014: http-monitoring 443: https-webhook Envoy-Proxy Proxy Description UID information runAsUser: 1337: Do not redirect to envoy Proxy port definition 15001: Proxy port listening…

  • KubeSphere K8s Mgmt Platform & Multi-Tenant

    💡 KubeSphere K8s Mgmt Platform & Multi-Tenant — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for KubeSphere K8s Mgmt Platform & Multi-Tenant. 🔗 https://kubesphere.io/docs/v3.4/installing-on-kubernetes/on-prem-kubernetes/install-ks-on-linux-airgapped/ References kk. Install bash Copy curl -sfL https://get-kk.kubesphere.io | VERSION=v3.0.13 sh – sudo cp ./kk /usr/local/bin Closed network: image and registry preparation bash Copy curl -L -O…

  • Kubernetes API Resources: Group, Version

    💡 Kubernetes API Resources: Group, Version — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes API Resources: Group, Version. API Resources Listed bash Copy NAME SHORTNAMES APIVERSION NAMESPACED KIND bindings v1 true Binding componentstatuses cs v1 false ComponentStatus configmaps cm v1 true ConfigMap endpoints ep v1 true Endpoints events ev…