Kubernetes Fundamentals
Control Plane Foundations Lab
Week-by-week drills on API server behavior, etcd snapshots, and upgrade sequencing for teams inheriting mid-size clusters.
- Duration
- 4 weeks
- Format
- Cohort live online
- Tuition (informational)
- 920,000 KRW
This program anchors operational judgment: when to cordon nodes, how to validate admission changes, and how to rehearse upgrades without surprising workload owners. Labs mirror a three-environment promotion path with guarded rollbacks and documented checkpoints.
What is included
- Live-taught cohort sessions with shared screen and command replay
- Scenario notebooks that mirror incident retrospectives
- Checklists for kube-apiserver flags and extension API availability
- Hands-on etcd backup/restore with verification gates
- Admission webhook dry-runs before policy changes land
- Certificate rotation rehearsal with downtime budgets
- Office hours focused on operational decision logs
Outcomes
- Document a defensible upgrade path for a running cluster
- Produce a rollback card tied to each promotion step
- Explain API server failure modes to application stakeholders
Lead instructor
Mina Cho
Former platform lead for a Seoul SaaS shop; prefers tight runbooks over hero debugging.
Participant notes
-
“The admission dry-run module finally made webhook failures predictable instead of mysterious 500s.”
— Hyeon , Systems engineer · 5/5 · survey
-
“Upgrade rehearsal felt close to how we actually promote—minus the pager dread.”
— Rina · Regional logistics SaaS
Common questions
Do I need admin access to my employer cluster?
What is not included?
How large are cohorts?
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