Core Dumps

This walks you through the entire post-mortem debugging flow when something crashes in production and you need to analyze the core file. It covers enabling core dumps with ulimit and systemd's coredumpctl, loading cores in GDB and LLDB, and solving the perennial "no symbols" problem with both debuginfod and manual debug packages. The workflows are complete enough that you can copy-paste commands during an incident. Especially useful if you've inherited a stripped production binary and need to map it back to debug symbols, or if you're triaging a segfault without being able to reproduce it. The systemd integration section is worth having bookmarked since coredumpctl syntax is easy to forget under pressure.

Install to Claude Code

npx -y skills add mohitmishra786/low-level-dev-skills --skill core-dumps --agent claude-code