Server Operations
Networking and Services on Enterprise Linux
Wire up DNS clients, firewalls, and reverse proxies with traceable changes and rollback notes.
- Duration
- 5 weeks · 42 lab hours
- Format
- Blended async + two live clinics
- Skill level
- Intermediate
- Certification path
- RHCSA-style scenarios
- Informational price
- ₩249,000
What the labs include
- Labs on nftables basics tied to realistic allow/deny matrices
- nginx and Caddy comparison blocks with shared config hygiene
- DNS troubleshooting trees without guesswork restarts
- Packet capture etiquette and storage caps for lab hosts
- Service mesh vocabulary without installing one
- TLS material handling with short-lived lab certificates
- Postmortem template tuned for network regressions
Outcomes you can show a lead
- Produce a layered diagram for traffic from client to upstream
- Reload proxies with staged canaries and documented fallbacks
- Explain when to escalate to upstream providers versus local fixes
Responsible instructor
Rina Cho
Linux Curriculum Engineer with carrier lab background.
FAQ
We reference patterns, but labs stay on single-host proxies to keep scope honest.
Learner notes
The proxy reload drill caught a bad include path I would have shipped on instinct.