Fredric News

Tag: CloudNative

  • 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.…

  • 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:

  • Git Production Sheet: Branching & Rebase

    💡 Git Production Sheet: Branching & Rebase — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Git Production Sheet: Branching & Rebase. Concepts Connection Link Status untracked Newly added file, not tracked by Git. You must run git add to switch to staged state. tracked File already being tracked by Git.…

  • Kubernetes kubectl Sheet: Pods & Cluster Ops

    💡 Kubernetes kubectl Cheatsheet: Pod Operations & Debugging — Executive Summary Practical kubectl cheat sheet covering pod management, cluster troubleshooting, resource scaling, and production debugging commands for DevOps engineers. References Reference document 🔗 https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands source code Commands kubectl –help bash Copy kubectl controls the Kubernetes cluster manager. Find more information at: https://kubernetes.io/docs/reference/kubectl/ Basic Commands (Beginner):…

  • Kube-state-metrics: Official Metric Reference

    💡 Kube-state-metrics: Official Metric Reference — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kube-state-metrics: Official Metric Reference. configmap kube_configmap_annotations HELP Kubernetes annotations converted to Prometheus labels. TYPE gauge kube_configmap_labels HELP [STABLE] Kubernetes labels converted to Prometheus labels. TYPE gauge kube_configmap_info HELP [STABLE] Information about configmap. TYPE gauge kube_configmap_created HELP [STABLE]…

  • Prometheus kube-state-metrics: K8s Monitoring

    💡 Prometheus kube-state-metrics: K8s Monitoring — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Prometheus kube-state-metrics: K8s Monitoring. ConfigMap kube_configmap_annotations Convert HELP Kubernetes annotations to Prometheus labels. TYPE gauge kube_configmap_labels HELP [STABLE] Convert Kubernetes labels to Prometheus labels. TYPE gauge kube_configmap_info HELP [STABLE] Information about ConfigMap. TYPE gauge kube_configmap_created HELP [STABLE]…

  • Kubernetes MetalLB: L2 & BGP Routing Architecture

    💡 Kubernetes MetalLB: L2 & BGP Routing Archi — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes MetalLB: L2 & BGP Routing Archi. 📑 Table of Contents MetalLB core architecture and controller/speaker internal components MetalLB’s node network integration principle and virtual IP (VIP) routing scheme MetalLB Service receiving port definition…

  • 쿠버네티스 Helm 3 패키지 매니저 설치 및 로컬 차트 리포지토리

    💡 핵심 요약 (Executive Summary) 본 가이드는 쿠버네티스 Helm 패키지 매니저 핵심 가이드 및 실전 아키텍처의 핵심 개념, 실전 구성 명령어 및 아키텍처 베스트 프랙티스를 다룹니다. 클라우드 네이티브 및 인프라 엔지니어링 실무에 즉시 활용 가능하도록 체계적으로 정리했습니다. 📑 Table of Contents • Helm Offline 설치 Reference & Guidelines (NOTE) Reference CLI DB: Glossary DB: included…