Warm up
Flip two foundation cards — command purpose, not trivia. Rate how well you knew it.
Decision Trainer
Where do you want to practice?
Pick an incident path, run a ~5-minute session, and get graded feedback on your first kubectl step — not syntax trivia.
New here?
Every session follows the same path
Standard session (~5 min)
Exam sprint (5 min timed)
Decide
Four realistic incidents with terminal output. Pick the best next kubectl step.
Sequence
Order investigation steps in a runbook, then get a debrief on traps you hit.
Standard sessionWarm-up → 4 scenarios → runbook · ~5 minFree · Pod Debugging
Exam sprintTimed scenarios only · first-step under pressure5:00 timer
Operational paths
Incident troubleshooting — 7 topics. Pod Debugging is free; other paths $9.99 each.
Unlocked topics: use Standard session for the full flow, or Exam sprint for timed practice.
Pod Debugging
Free
Read pod status, events, and container failures — decide the first diagnostic step under pressure.
Service Connectivity
$9.99one-time
Trace traffic from Service to Endpoints to Pods — find where connectivity breaks.
Pay with PayPal — no account required
Deployment Rollouts
$9.99one-time
Unstick rollouts, compare ReplicaSets, and choose safe recovery when releases stall.
Pay with PayPal — no account required
Scheduling & Resources
$9.99one-time
Pending pods, taints, affinity, and quotas — decide why the scheduler refused your workload.
Pay with PayPal — no account required
Config & Secrets
$9.99one-time
ConfigMaps, Secrets, and env wiring — trace missing keys and mount failures before restarting pods.
Pay with PayPal — no account required
Security & RBAC
$9.99one-time
Forbidden errors, ServiceAccounts, and token mounts — pick the right permission check first.
Pay with PayPal — no account required
Storage & Volumes
$9.99one-time
PVC binding, volume mounts, and attach errors — debug storage before blaming the app.
Pay with PayPal — no account required
Certification prep
CKAD and CKA exam packs — 100 scenarios each. CKAD $19.99, CKA $24.99, or both for $34.99.
CKAD Exam Prep
$19.99one-time
Application-focused decisions — probes, rollouts, multi-container pods, Jobs, and manifest debugging under exam pressure. 100 scenario cases.
Pay with PayPal — no account required
CKA Exam Prep
$24.99one-time
Cluster operations under pressure — nodes, control plane, networking, storage, and etcd. 100 scenario cases.
Pay with PayPal — no account required