Linux Fundamentals

Kernel Signals Lab Bootcamp

This cohort focuses on how the Linux kernel schedules work, how signals propagate, and how you read cgroup metrics without leaning on opaque monitoring screens. You ship a small observability checklist your team can reuse.

Duration
8 weeks
Format
Live cohort + lab VPN
Tuition reference
KRW 2,180,000

Lead mentor notes

Hana Sato

Lead Linux instructor with a decade of production fleet work across APAC.

Visual for Kernel Signals Lab Bootcamp

What is inside

  • Hands-on strace and perf-style tracing drills
  • Weekly lab reviews with written feedback
  • Playbooks for service restarts and dependency ordering
  • Checklists for kernel parameter review meetings
  • Pair troubleshooting on stuck workers
  • Capstone: incident narrative plus timeline diagram
  • Office hours with the lead instructor

Outcomes you can cite

  1. Explain how a signal moves from kernel space to user handlers
  2. Produce a credible postmortem outline for a stuck service
  3. Document cgroup limits that affect noisy neighbors

Participant voices

“The cgroup checklist from week five is pinned in our runbooks now. Clearer than any internal wiki page I inherited.”
Minseo K. · Junior platform engineer · ★★★★★ · survey
“Short week, dense labs. Still worth it for the signal tracing block alone.”
Leo · Seoul

Straight FAQ

No. Labs run on our hardened VPN hosts. A modern laptop with SSH is enough.
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