Advanced · Module 9 · Lesson 10 of 13
Linux procfs, ptrace, and Core-Dump Debugging
Inspect live process state through procfs, understand debugger tracing with ptrace, and use core dumps for postmortem analysis.
Pro — members onlyAbout 16 minutes
By the end you can
- Inspect process memory, descriptors, and status through procfs
- Explain ptrace stop and resume behavior
- Configure and analyze core dumps
- Separate observation from mutation when debugging
Builds on Process Lifecycle: fork, execve, and Address Space Duplication, Dynamic System Call and Userspace Tracing: strace, ltrace, and kprobes.
01 · A question first
When a process is stuck or has crashed, what evidence can you gather without adding logging to the original binary?
Make a guess before you read on.
02 · The idea
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What's inside
- Observe a live process
- Trace with ptrace
- Core dumps
- Build a repeatable evidence workflow
- Make core files actionable
- Where it is used
- Operational checklist
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