Tag: Tutorial
-
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]…