Fredric News

Tag: Infrastructure

  • Gardener Multi-Cloud Kubernetes Cluster

    💡 Gardener Multi-Cloud Kubernetes Cluster — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Gardener Multi-Cloud Kubernetes Cluster. The Notion API rate limit was reached. Wait at least 3 seconds before retrying this tool call. Do not retry immediately or in parallel. {“error”:{“code”:”rate_limited”,”classification”:”rate_limit”,”operation”:”fetch”,”message”:”The Notion API rate limit was reached.”,”impact”:”The requested tool…

  • Argo Workflows Helm Deployment: Cloud-Native

    💡 Argo Workflows Helm Deployment: Cloud-Native — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Argo Workflows Helm Deployment: Cloud-Native. Repository bash Copy helm repo add argo https://argoproj.github.io/argo-helm Pipelines RBAC Kubernetes if Troubles bash Copy wait: Error (exit code 64): workflowtaskresults.argoproj.io is forbidden: User “system:serviceaccount:deploy-system:default” cannot create resource “workflowtaskresults” in API…

  • HomeLab Infra : Hardware & Network Design

    💡 HomeLab Infra : Hardware & Network Design — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab Infra : Hardware & Network Design. Private Net Bare-metal Resources Management (with Security) Firewall AP HCI Virtual Resources Management HCI Container Platform Automation IaC Application Management GitOps Public Net Public DNS Hosting Cloudflare

  • Sonatype Nexus OSS Helm Setup: Private

    💡 Sonatype Nexus OSS Helm Setup: Private — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Sonatype Nexus OSS Helm Setup: Private. AWS Single Instance Resilient Nexus Repository Manager Chart This chart deploys a Nexus Repository Manager instance to an AWS EKS cluster. The current release has been tested on AWS…

  • Kubespray kube-vip Virtual IP Load Balancer

    💡 Kubespray kube-vip Virtual IP Load Balancer — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubespray kube-vip Virtual IP Load Balancer. VIP on LAN. Network ARP Pre-operation bash Copy apt install -y nmap #VIP 선정 ## host down IP 확인 ### 아래 결과중 x.x.x.0, x.x.x.1, x.x.x.255 (예약 주소) 제외하고 사용…

  • Kubernetes CoreDNS Corefile Customization

    💡 Kubernetes CoreDNS Corefile Customization — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes CoreDNS Corefile Customization. Docs About resolv.conf References and Guidelines (NOTE) CoreDNS operation when using systemd-resolved on host HostNode: systemd-resolved is fixed as /etc/resolv.conf = 127.0.0.53loopback address. The actual resolve defined in /etc/systemd/resolved.conf is /var/run/systemd/resolve/resolv.conf. Kubelet: Default…

  • Kubernetes TLS Certificates & kubeadm certs

    💡 Kubernetes TLS Certificates & kubeadm certs — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes TLS Certificates & kubeadm certs. Automated script – When renewing after expiration Attempt to bootstrap We will summarize the recovery sequence assuming the worst case scenario where bootstrapping is not set and both the…

  • MicroK8s Single-Node Kubernetes Setup & Addon

    💡 MicroK8s Single-Node Kubernetes Setup & Addon — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for MicroK8s Single-Node Kubernetes Setup & Addon. Installation bash Copy sudo snap install microk8s –classic microk8s status microk8s enable community #확장 애드온 microk8s enable $addons Completion With Alias bash Copy sudo bash -c “cat << EOF…

  • Bitbucket Pipelines Self-Hosted Runner on

    💡 Bitbucket Pipelines Self-Hosted Runner on — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Bitbucket Pipelines Self-Hosted Runner on. References and Guidelines (NOTE) Assume that docker is used as the Kubernetes CRI. Depending on the CRI version, docker-in-docker image issues exist. More details: Job based (for Autoscaler) References and Guidelines…

  • NGINX Ingress Controller Archi & SSL

    💡 NGINX Ingress Controller Archi & SSL — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for NGINX Ingress Controller Archi & SSL. Setups 🔗 https://github.com/bitnami/charts/tree/main/bitnami/nginx-ingress-controller bash Copy repo=bitnami sdiff -s <(helm show values ${repo}/$(cat Chart.yaml | yq ‘.name’) –version=$(cat Chart.yaml | yq ‘.version’) | yq -oprops) <(cat ./values.yaml | yq -oprops)…