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Linux Server Strace for Debugging System Call Failures
Ever had a production application fail silently with 'permission denied' and spent hours chasing ghosts? Lucas and Luna break down strace, the Linux system call tracer that saved one sysadmin's weekend after a custom daemon crashed on startup. They walk through a real example: tracing execve, open, and connect syscalls to spot missing file descriptors and misconfigured seccomp filters. You'll learn the three flags Lucas reaches for first (-f for follow forks, -e for event filtering, -o for output files) and why strace can be your fastest path from 'it doesn't work' to 'ah, it's in the audit…
The skinny
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