Fredric News

Category: DevOps & AIOps

  • Talos Linux: Immutable & Secure K8s Cluster

    💡 Talos Linux: Immutable & Secure K8s Cluster — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Talos Linux: Immutable & Secure K8s Cluster. Binary Installation mac bash Copy brew install siderolabs/tap/talosctl echo ‘source <(talosctl completion zsh)’ | tee -a ~/.zshrc #if using colima sudo ln -s “$HOME/.colima/default/docker.sock” /var/run/docker.sock #if using…

  • istioctl CLI Sheet: Istio Proxy Diagnosis

    💡 istioctl CLI Sheet: Istio Proxy Diagnosis — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for istioctl CLI Sheet: Istio Proxy Diagnosis. Linked Page Cluster Control install Apply the Istio manifest to install or reconfigure Istio on your cluster. uninstall Remove Istio from the cluster upgrade Upgrade your Istio control plane…

  • OPNsense Firewall Archi: Packet Filter & IDS

    💡 OPNsense Firewall Archi: Packet Filter & IDS — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for OPNsense Firewall Archi: Packet Filter & IDS. Installation Management Conceptual Definition IP Band Definition NAT system WireGuard to WAN References and Guidelines (NOTE) $$ \text{Client} \xleftrightarrow{[L3]tunnel/snat} \text{VPN Interface (Original Src)} \xrightarrow{[1]blocked} \text{WAN Interface (Dst)}…

  • Helmfile Declarative CD Archi: Multi-Env

    💡 Helmfile Declarative CD Archi: Multi-Env — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Helmfile Declarative CD Archi: Multi-Env. Information References gitops repository Enterprise Cloudlab/cmp-helm Cluster Version Development environment information | Cluster Version Architectures Cluster Installation Global Setting bash Copy vi /etc/systemd/resolved.conf >>> [Resolve] DNS=<management_node_ip> 8.8.8.8 <<< systemctl restart systemd-resolved.service…

  • Kubernetes Helm 3 Sheet: Release & Rollback

    💡 Kubernetes Helm 3 Sheet: Release & Rollback — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Helm 3 Sheet: Release & Rollback. Installation bash Copy curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash Exec completion html Copy echo “source <(helm completion bash)” >> ~/.bashrc source ~/.bashrc search bash Copy # artifacthub.io에서 차트 검색…

  • KubeVirt Virtualization on K8s: Containers

    💡 KubeVirt Virtualization on K8s: Containers — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for KubeVirt Virtualization on K8s: Containers.

  • HomeLab OPNsense Router & Firewall Setup

    💡 HomeLab OPNsense Router & Firewall Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab OPNsense Router & Firewall Setup. Step 0: Preparation Purchase Hardware Download Image 🔗 https://opnsense.org/download/ select amd64 → vga → downalod Create Bootable USB Disk bash Copy brew install balenaetcher –cask Boot BIOS entry: f2,…

  • ArgoCD GitOps Controller Prometheus

    💡 ArgoCD GitOps Controller Prometheus — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for ArgoCD GitOps Controller Prometheus. Index Prometheus Manifest References and Guidelines (NOTE) Name: PrometheusDeployed: k8s, argo-cd, bitnamiNote: Automatic creation of Node Exporter when using default value (Master + Worker) Argo-cd Manifest, Target Definition yaml Copy project: default source:…

  • Cloudflare DNS & Cloudflared Tunnel for

    💡 Cloudflare DNS & Cloudflared Tunnel for — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Cloudflare DNS & Cloudflared Tunnel for. References and Guidelines (NOTE) Required and recommended elements from URL purchase to application routing are indicated in *red Impliments Links Check domain provider: ICANN Lookup Godaddy: Domain Names, Websites,…

  • Modern JavaScript Tooling: Linters,

    💡 Modern JavaScript Tooling: Linters, — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Modern JavaScript Tooling: Linters,. The subdocument of Runtime Node The most widely used JavaScript runtime, allowing you to run JavaScript on the server side.Uses the V8 engine and is often used for server-side application development. Bun High-speed…