← all cheat sheets
PRACTICE PLAN
DevOps Engineer
Tooling & Automation Track
16 sheets — Git, Python, Ansible, Terraform, and Kubernetes, reference material, the mechanism behind each one, role interview prep, and a mock interview drill.
Full Target-Role Track
Network Engineer
Firewall / Security Engineer
SOC / Security Ops Analyst
DevOps Engineer
0 of 0 complete
01
Core Tooling Reference
5 sheets
1. Git Field Reference
Local workflow, branching, remote sync — the baseline every task builds on.
OPEN →
2. Python Field Reference
Envs, syntax, files/OS, requests — the scripting layer under most automation.
OPEN →
3. Ansible Field Reference
Inventory, playbooks, modules, Vault.
OPEN →
4. Terraform Field Reference
HCL, workflow, state, modules, workspaces.
OPEN →
5. Kubernetes Field Reference
kubectl, workloads, debugging, services, config.
OPEN →
02
Python Mechanics
2 sheets
6. Running a Python Script
Parsing, bytecode, imports, the GIL — what "python script.py" actually does.
OPEN →
7. pip install Inside a Virtualenv
Why activation alone changes where packages land.
OPEN →
03
Ansible Mechanics
2 sheets
8. Ansible Playbook Run
Agentless mechanics — connect, gather facts, push module, execute.
OPEN →
9. Ansible Changed vs OK
How idempotency is actually decided, module by module.
OPEN →
04
Terraform Mechanics
2 sheets
10. terraform apply
Refresh, dependency graph, plan, and incremental state writes.
OPEN →
11. Two Engineers Run terraform apply
State locking — the mechanism that stops concurrent corruption.
OPEN →
05
Kubernetes Mechanics
3 sheets
12. kubectl apply to Running Pod
API server, etcd, scheduler, kubelet, and the readiness gate.
OPEN →
13. Pod Stuck in CrashLoopBackOff
Backoff mechanics and exactly where to diagnose it.
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14. Kubernetes Service to Pod
The kube-proxy/iptables DNAT mechanism behind every ClusterIP.
OPEN →
06
Interview Prep
2 sheets
15. DevOps Engineer — Role Interview Prep
CI/CD and IaC scenarios, STAR behavioral prep, red flags.
OPEN →
16. Mock Interview Drill
Random-draw practice run against the question bank above — Rapid Fire or Full Interview mode.
OPEN →