Linux Admin

Package Pinning on Enterprise Linux

Name: Package Pinning on Enterprise Linux
Price: 410000 KRW

Hold versions without freezing security, and document exceptions when vendors insist on bleeding edges.

Weekend intensive 2 weeks · 10 lab hours Associate

410,000 KRW informational until enrollment confirms

RPM spec printout with sticky note markers

Program narrative

You practice version locks with dnf versionlock, module streams, and vendor repos that disagree. Each learner maintains a living exception log with expiry dates—no immortal pins.

What the labs include

versionlock workflows with rollback
Module stream switch rehearsal
Vendor repo priority pitfalls
Security errata triage checklist
Diff review before change windows
Exception log with expiry discipline
Pair exercise on conflicting deps

Outcomes you can show a lead

Draft a pin with an expiry and owner
Switch streams without orphan packages
Explain vendor conflicts without blaming people

Straight FAQ

Debian/Ubuntu?

Concepts mapped; commands stay EL-focused.

Satellite or Spacewalk?

Referenced; classroom uses plain repos for clarity.

Limitations?

Image golden master pipelines are out of scope.

Recent participant notes

“Exception log with expirys stopped our immortal pins. Vendor conflict lab felt like therapy.”

Boram · Release manager · survey