Lab 4 submission#1025
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Signed-off-by: whynotgm <a.shiian@innopolis.university>
…blickey-denied pitfalls Signed-off-by: Dmitrii Creed <creeed22@gmail.com>
…n; set honest cache expectations - 2.2: matrixed jobs report as 'test (1.23)' etc.; the old required 'test'/'vet' contexts hang at 'Expected' and block every student PR. Document both fixes (rename required checks / require a single ci-ok aggregation job with if: always()) - 2.4: QuickNotes has zero deps, so cache on/off won't move wall-clock; ask students to explain why + compare per-step timings instead - pitfalls for both Signed-off-by: Dmitrii Creed <creeed22@gmail.com>
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Goal
Complete Lab 4 by documenting QuickNotes request tracing, Linux networking diagnostics, outside-in debugging, and the TLS handshake bonus.
Changes
submissions/lab4.mdwith the full Lab 4 report.POST /notes, including handshake, HTTP request/response, and connection close.ss,ip route,mtr,dig,journalctl, firewall checks, broken bind reproduction, and repair verification.Testing
POST /notesreturned201 Created./healthreturned200before and after repairing the port conflict.submissions/lab4-trace.pcap.submissions/lab4-tls.pcap.go test ./....Checklist
git log --show-signature)submissions/labN.mdupdated