The hottest Troubleshooting Substack posts right now

And their main takeaways
Top Technology Topics
Marcio Klepacz • 5 implied HN points • 01 Feb 24
  1. Knowing how to debug is essential in a software-driven world, and it's a skill accessible to everyone.
  2. When troubleshooting, changing the environment, variables, or connections can lead to identifying and fixing issues.
  3. Resetting the environment, variables, or connections is a fundamental step in troubleshooting, and providing detailed information to technical support can be helpful.
Ops Sorry • 19 implied HN points • 19 Jun 23
  1. To access environment variables in ingress-nginx with Lua, use the os library with os.getenv.
  2. Explicitly list environment variables in nginx.conf using the env directive for Lua to access them.
  3. Understanding the nginx.conf template and main-snippet can help set environment variables in the controller's configmap.
The Technically Challenged Newsletter • 4 HN points • 07 Oct 23
  1. Initial troubleshooting steps included charging the e-reader, performing soft and full resets, and checking the charging port and battery.
  2. Hardware debugging involved attempting to fix the charging port and then replacing the battery when the issue persisted.
  3. The repair process required creative solutions like using a different battery and making adjustments to ensure the e-reader was functional.
Data Science Daily • 0 implied HN points • 05 Mar 23
  1. Learn how to open and run Obsidian commands from external applications using plugins like Advanced URI, Dataviewjs, and Templater.
  2. Utilize the constructed URI to open Obsidian from Chrome bookmarks, create shortcuts on iPhone, or create a terminal alias for easy command line access.
  3. Be aware of potential troubleshooting issues like needing Obsidian to be open and loaded for commands to work on iOS, and managing annoying popups in Chrome bookmarks.
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Certo Modo • 0 implied HN points • 09 Jun 23
  1. System calls are how programs interact with the operating system to request and manage resources like memory and files.
  2. System call tracing allows real-time observation of running processes to understand resource usage and behavior.
  3. Tracing tools like strace and perf can help diagnose issues in production systems but come with a performance impact, requiring caution in usage.