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Kyle Pericak

"It works in my environment"

Packet Tracing Reference

Packet Tracing Reference

Created: 2020-06-04, Modified: 2020-06-04

Quick reference for capturing and filtering network traffic on Ubuntu using tcpdump and tshark. Covers port filters, host filters, combined expressions, and tshark HTTP capture.

Google Cloud Functions: Basics

Google Cloud Functions: Basics

Created: 2019-10-11, Modified: 2019-10-11

Deploy a Python 3.7 HTTP-triggered Google Cloud Function that returns the caller's IP, with notes on pricing, invocation costs, and testing from the console.

Blog code last updated on 2026-04-16: 8579f34f0a3ec5b8043d5eade8e87124d41cf83b