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Clairos Learn

20 lessons · UNIX / Linux

Package/process ops

Package metadata, package logs, process snapshots, and signal language.

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What you will practice

APT installed packages; APT package details; DPKG package list; DPKG files.

Use the worked examples when needed, then test your understanding without them.

  1. 01APT installed packagesList simulated installed Linux packages.Practice
  2. 02APT package detailsInspect simulated package policy and metadata.Practice
  3. 03DPKG package listUse dpkg to review installed package records.Practice
  4. 04DPKG filesList simulated files owned by a package.Practice
  5. 05DPKG status reviewConnect package status to logs.Practice
  6. 06Brew listPractice macOS-style package inspection.Practice
  7. 07Brew info reviewCompare brew info with Linux package logs.Practice
  8. 08Pgrep process lookupFind simulated process IDs by name.Practice
  9. 09Top reviewUse top and ps for process snapshots.Practice
  10. 10Package and process checkpointReview packages, process state, and recent package logs.Practice
  11. 11APT DPKG Brew compareCompare Linux and macOS package inspection tools.Practice
  12. 12Package file ownershipMap package names to owned files.Practice
  13. 13Package status log correlationConnect package status output to package logs.Practice
  14. 14Process lookup drillFind process IDs and compare snapshots.Practice
  15. 15Signal choice reviewRecord signal intent without stopping anything.Practice
  16. 16Top ps snapshotCompare top and ps output before acting.Practice
  17. 17Package change evidenceFind package changes and capture an evidence note.Practice
  18. 18Package process expanded checkpointTie package inventory, process state, and logs together.Practice
  19. 19Package origin reviewCompare installed package metadata with package-owned files and change logs.Practice
  20. 20Process signal evidenceIdentify a process, inspect the snapshot, and record a simulated signal.Practice