Fredric News

Tag: OpenSource

  • Service Mesh Archi: Istio & Linkerd Data

    💡 Service Mesh Archi: Istio & Linkerd Data — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Service Mesh Archi: Istio & Linkerd Data. Service Mesh Overview Summary of reasons to use service mesh API gateway focuses on requests from the outside to services, while service mesh focuses on communication between…

  • Kubernetes Node Communication & Kubelet

    💡 Kubernetes Node Communication & Kubelet — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Node Communication & Kubelet. Infinite reboot issue of controlplanes such as etcd and kube-apiserver when using the latest version of containerd Action Change to use CRI-O Nameserver limit (3) exceeded when installing latest version k8s…

  • Skopeo Container Image Utility: Daemonless

    💡 Skopeo Container Image Utility: Daemonless — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Skopeo Container Image Utility: Daemonless. Installation RHEL / Rocky Linux (8/9) bash Copy sudo dnf install -y skopeo skopeo –version Ubuntu / Debian (20.04/22.04/24.04) bash Copy sudo apt-get update && sudo apt-get install -y skopeo skopeo…

  • Jsonnet : Templating Large Kubernetes

    💡 Jsonnet : Templating Large Kubernetes — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Jsonnet : Templating Large Kubernetes. Installation jsonnet (c build or go build) jsonnet bundler — package manager bash Copy brew install jsonnet jsonnet-bundler Set up bash Copy # initiate the package manager jb init # >>…

  • Linux APT/YUM Private Mirror Repository Setup

    💡 Linux APT/YUM Private Mirror Repository Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux APT/YUM Private Mirror Repository Setup. DEB/Ubuntu mariadb bash Copy curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup | sudo bash -s — –mariadb-server-version=”mariadb-10.4″ versions mariadb-10.4 mariadb-10.5 mariadb-10.6 mariadb-10.10 mariadb-10.11 mariadb-11.0 mariadb-11.1 mariadb-11.2 maxscale bash Copy curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup |…

  • Bitbucket Self-Hosted Runner Setup

    💡 Bitbucket Self-Hosted Runner Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Bitbucket Self-Hosted Runner Setup. On k8s 🔗 https://support.atlassian.com/bitbucket-cloud/docs/deploying-the-docker-based-runner-on-kubernetes/ Sample Exec Create Bitbucket Runner Access https://bitbucket.org/\${organization}/\${repository}/admin/pipelines/runners Access the bitbucket Repository main page Access Repository settings at the bottom of the left sidebar Access Runners at the bottom of…

  • Terraform IaC Sheet: Provisioning & State Ops

    💡 Terraform IaC Sheet: Provisioning & State Ops — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Terraform IaC Sheet: Provisioning & State Ops. Setup brew: snap: bash Copy sudo snap install terraform –classic amd64: bash Copy sudo apt update sudo apt install unzip wget -q https://releases.hashicorp.com/terraform/1.4.5/terraform_1.4.5_linux_amd64.zip unzip terraform_1.4.5_linux_amd64.zip rm terraform_1.4.5_linux_amd64.zip…

  • HAProxy on OPNsense: SSL Offloading & Load

    💡 HAProxy on OPNsense: SSL Offloading & Load — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HAProxy on OPNsense: SSL Offloading & Load. References and Guidelines (NOTE) OPNSense’s NAT provides very powerful L4 routing, but the HAProxy plugin may need to be utilized depending on the purpose specified in Features.…

  • k3s Lightweight K8s Setup & Multi-Node

    💡 k3s Lightweight K8s Setup & Multi-Node — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for k3s Lightweight K8s Setup & Multi-Node. Server Default installation bash Copy curl -sfL https://get.k3s.io | sh – Use flag 1: Passed as an environment variable bash Copy curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC=”$FLAGS” sh – 2:…

  • Linux Error Resolution: Resource Unavailable

    💡 Linux Error Resolution: Resource Unavailable — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux Error Resolution: Resource Unavailable. resource temporarily unavailable Resource usage limit needs to be lifted: transport endpoint is not connected Requires unmounting filesystem: fues overview: filesystem check: If the issue is wsl related: