Topic Coverage Grid¶
Generated: 2026-03-16
134 topics across 9 domains
Coverage: 133/134 primer, 133/134 street ops, 133/134 footguns, 26/134 deep dive, 134/134 cards, 134/134 quiz, 36/134 cases, 11/134 scenarios, 26/134 runbooks, 8/134 labs
| Tier | Domain | Topic | Primer | Street Ops | Footguns | Deep Dive | Cards | Quiz | Cases | Scenarios | Runbooks | Labs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | linux | Bash / Shell Scripting | x | x | x | x | x | |||||
| 1 | linux | Cron & Job Scheduling | x | x | x | x | x | x | ||||
| 1 | linux | Disk Troubleshooting | x | x | x | x | x | x | x | |||
| 1 | linux | eBPF | x | x | x | x | x | x | ||||
| 1 | linux | Filesystem | x | x | x | x | x | x | x | |||
| 1 | linux | Inodes | x | x | x | x | x | x | ||||
| 1 | linux | Kernel Troubleshooting | x | x | x | x | x | |||||
| 1 | linux | Linux Fundamentals | x | x | x | x | x | x | x | |||
| 1 | linux | Linux Hardening | x | x | x | x | x | x | ||||
| 1 | linux | Linux Performance Tuning | x | x | x | x | x | x | x | |||
| 1 | linux | Mount & Filesystems | x | x | x | x | x | |||||
| 1 | linux | Package Management | x | x | x | x | x | |||||
| 1 | linux | Process Management | x | x | x | x | x | x | x | |||
| 1 | linux | systemd | x | x | x | x | x | x | x | |||
| 1 | networking | Cisco CLI | x | x | x | x | x | |||||
| 1 | networking | DHCP & IP Address Management | x | x | x | x | x | x | ||||
| 1 | networking | DNS | x | x | x | x | x | x | x | x | ||
| 1 | networking | Firewalls | x | x | x | x | x | x | ||||
| 1 | networking | Linux Networking Tools | x | x | x | x | x | x | ||||
| 1 | networking | Load Balancing | x | x | x | x | x | x | ||||
| 1 | networking | Routing | x | x | x | x | x | x | ||||
| 1 | networking | TCP/IP | x | x | x | x | x | x | x | |||
| 1 | networking | TLS / Certificates | x | x | x | x | x | x | x | x | ||
| 1 | networking | VLANs | x | x | x | x | x | x | ||||
| 1 | datacenter | Firmware / BIOS / UEFI | x | x | x | x | x | x | x | |||
| 1 | datacenter | Out-of-Band Management | x | x | x | x | x | x | ||||
| 1 | datacenter | Power & UPS | x | x | x | x | x | x | ||||
| 1 | datacenter | PXE / Provisioning | x | x | x | x | x | x | ||||
| 1 | datacenter | Rack & Stack | x | x | x | x | x | x | ||||
| 1 | datacenter | RAID | x | x | x | x | x | x | x | |||
| 1 | datacenter | Server Hardware | x | x | x | x | x | x | x | |||
| 1 | datacenter | Storage (SAN/NAS/DAS) | x | x | x | x | x | x | x | |||
| 1 | devops | Ansible | x | x | x | x | x | |||||
| 1 | devops | Change Management | x | x | x | x | x | |||||
| 1 | devops | Debugging Methodology | x | x | x | x | x | |||||
| 1 | devops | Fleet Operations | x | x | x | x | x | |||||
| 1 | devops | Git | x | x | x | x | x | |||||
| 1 | devops | Nginx & Web Servers | x | x | x | x | x | |||||
| 1 | devops | Runbook Craft | x | x | x | x | x | |||||
| 1 | devops | Vendor Management & Escalation | x | x | x | x | x | |||||
| 1 | observability | Grafana | x | x | x | x | x | |||||
| 1 | observability | Monitoring Fundamentals | x | x | x | x | x | |||||
| 1 | observability | Monitoring Migration | x | x | x | x | x | |||||
| 1 | observability | Prometheus | x | x | x | x | x | x | x | |||
| 1 | security | Disaster Recovery | x | x | x | x | x | x | ||||
| 1 | security | SELinux & AppArmor | x | x | x | x | x | x | ||||
| 1 | cloud | AWS Troubleshooting | x | x | x | x | x | |||||
| 1 | cloud | Cloud Deep Dive | x | x | x | x | x | x | x | x | ||
| 2 | k8s | CrashLoopBackOff | x | x | x | x | x | x | x | x | ||
| 2 | k8s | Database Indexing | x | x | x | x | x | |||||
| 2 | k8s | Database Locking | x | x | x | x | x | |||||
| 2 | k8s | Database Operations | x | x | x | x | x | x | ||||
| 2 | k8s | Database Replication | x | x | x | x | x | |||||
| 2 | k8s | Database Transactions | x | x | x | x | x | |||||
| 2 | k8s | Docker / Containers | x | x | x | x | x | x | x | x | ||
| 2 | k8s | etcd | x | x | x | x | x | x | ||||
| 2 | k8s | HPA / Autoscaling | x | x | x | x | x | x | x | |||
| 2 | k8s | Kubernetes Core | x | x | x | x | x | x | x | x | x | x |
| 2 | k8s | Kubernetes Debugging | x | x | x | x | x | |||||
| 2 | k8s | Kubernetes Networking | x | x | x | x | x | x | x | x | ||
| 2 | k8s | Kubernetes Storage | x | x | x | x | x | x | x | |||
| 2 | k8s | Node Maintenance | x | x | x | x | x | x | x | |||
| 2 | k8s | OOMKilled | x | x | x | x | x | x | x | x | ||
| 2 | k8s | Probes (Liveness/Readiness) | x | x | x | x | x | x | x | x | ||
| 2 | k8s | RBAC | x | x | x | x | x | x | x | |||
| 2 | k8s | Read Replicas | x | x | x | x | x | |||||
| 2 | devops | CI/CD | x | x | x | x | x | x | ||||
| 2 | devops | GitOps | x | x | x | x | x | x | ||||
| 2 | devops | Helm | x | x | x | x | x | x | x | |||
| 2 | devops | Incident Response | x | x | x | |||||||
| 2 | devops | On-Call & Incident Command | x | x | x | x | x | |||||
| 2 | devops | Python Automation | x | x | x | x | x | |||||
| 2 | devops | SRE Practices | x | x | x | x | x | |||||
| 2 | devops | Terraform | x | x | x | x | x | x | ||||
| 2 | observability | Alerting Rules | x | x | x | x | x | x | ||||
| 2 | observability | Log Pipelines | x | x | x | x | x | |||||
| 2 | observability | Logging | x | x | x | x | x | |||||
| 2 | observability | Loki | x | x | x | x | x | x | x | |||
| 2 | security | Backup & Restore | x | x | x | x | x | x | x | |||
| 2 | security | Incident Triage | x | x | x | x | x | x | ||||
| 2 | security | Least Privilege | x | x | x | x | x | |||||
| 2 | security | Secrets Handling | x | x | x | x | x | x | ||||
| 2 | security | Secrets Management | x | x | x | x | x | x | ||||
| 2 | security | Security Scanning | x | x | x | x | x | x | ||||
| 2 | security | SSH Hygiene | x | x | x | x | x | |||||
| 2 | security | TLS & PKI | x | x | x | x | x | x | x | |||
| 2 | cli | Regex & Text Wrangling | x | x | x | x | x | |||||
| 3 | k8s | API Gateways & Ingress | x | x | x | x | x | x | ||||
| 3 | k8s | Container Runtimes | x | x | x | x | x | x | ||||
| 3 | k8s | Kubernetes Operators | x | x | x | x | x | |||||
| 3 | k8s | Multi-Tenancy Patterns | x | x | x | x | x | |||||
| 3 | k8s | Node Lifecycle | x | x | x | x | x | |||||
| 3 | k8s | Policy Engines | x | x | x | x | x | x | ||||
| 3 | k8s | Service Mesh | x | x | x | x | x | x | ||||
| 3 | devops | Capacity Planning | x | x | x | x | x | |||||
| 3 | devops | Chaos Engineering | x | x | x | x | x | |||||
| 3 | devops | FinOps | x | x | x | x | x | |||||
| 3 | devops | Incident Psychology | x | x | x | x | x | |||||
| 3 | devops | Platform Engineering | x | x | x | x | x | |||||
| 3 | devops | Postmortems & SLOs | x | x | x | x | x | |||||
| 3 | devops | Systems Thinking | x | x | x | x | x | |||||
| 3 | observability | OpenTelemetry | x | x | x | x | x | |||||
| 3 | observability | Tempo | x | x | x | x | x | x | ||||
| 3 | observability | Tracing | x | x | x | x | x | |||||
| 3 | security | Audit Logging | x | x | x | x | x | |||||
| 3 | security | Compliance & Audit | x | x | x | x | x | |||||
| 3 | security | Infrastructure Forensics | x | x | x | x | x | |||||
| 3 | security | LDAP & Identity Management | x | x | x | x | x | |||||
| 3 | security | OpSec Mistakes | x | x | x | x | x | |||||
| 4 | networking | ARP | x | x | x | x | x | x | ||||
| 4 | networking | LACP / Link Aggregation | x | x | x | x | x | x | ||||
| 4 | networking | MTU | x | x | x | x | x | x | ||||
| 4 | networking | NAT | x | x | x | x | x | x | ||||
| 4 | networking | Packet Path | x | x | x | x | x | x | ||||
| 4 | networking | STP / Spanning Tree | x | x | x | x | x | x | ||||
| 4 | networking | VPN & Tunneling | x | x | x | x | x | |||||
| 4 | datacenter | Virtualization | x | x | x | x | x | |||||
| 4 | devops | AI Tools for DevOps | x | x | x | x | x | |||||
| 4 | devops | AI/ML Infrastructure Ops | x | x | x | x | x | |||||
| 4 | devops | Career Engineering | x | x | x | x | x | |||||
| 4 | devops | Edge & IoT Infrastructure | x | x | x | x | x | |||||
| 4 | devops | Elasticsearch | x | x | x | x | x | |||||
| 4 | devops | Homelab | x | x | x | x | x | |||||
| 4 | devops | Kafka | x | x | x | x | x | |||||
| 4 | devops | Legacy System Archaeology | x | x | x | x | x | |||||
| 4 | devops | Ops War Stories | x | x | x | x | x | |||||
| 4 | devops | VS Code | x | x | x | x | x | |||||
| 4 | cli | fd | x | x | x | x | x | |||||
| 4 | cli | fzf | x | x | x | x | x | |||||
| 4 | cli | jq / JSON Processing | x | x | x | x | x | |||||
| 4 | cli | Modern CLI Tools | x | x | x | x | x | |||||
| 4 | cli | ripgrep (rg) | x | x | x | x | x | |||||
| 4 | cloud | Azure Troubleshooting | x | x | x | x | x | |||||
| 4 | cloud | GCP Troubleshooting | x | x | x | x | x |