The hottest Troubleshooting Substack posts right now

Writing code in enterprise organizations is different from startups due to legacy code, lack of tests, and constant changes.
To write effective code in enterprise organizations, understand the system, write more tests, and collaborate with testers.
Refactoring code, troubleshooting issues, and getting a birds-eye view are key to improving code quality and system understanding.

When facing a problem, break it down into smaller pieces to see what might be causing it. This way, you can quickly rule out big areas and find the real issue.
Always remember that tools and data can sometimes be misleading. It's important to check the real situation and not just trust what you see on the screen.
Keep track of what you've already validated in your troubleshooting process. Rechecking things that are already confirmed can waste a lot of time.

To access environment variables in ingress-nginx with Lua, use the os library with os.getenv.
Explicitly list environment variables in nginx.conf using the env directive for Lua to access them.
Understanding the nginx.conf template and main-snippet can help set environment variables in the controller's configmap.

Troubleshooting software issues can involve checking log files and using tools like curl.
The post explores the challenges with installing trading software due to SSL connection and certificate issues.
Detailed logs can help in diagnosing problems, and potential solutions may involve using alternative tools like curl.

Knowing how to debug is essential in a software-driven world, and it's a skill accessible to everyone.
When troubleshooting, changing the environment, variables, or connections can lead to identifying and fixing issues.
Resetting the environment, variables, or connections is a fundamental step in troubleshooting, and providing detailed information to technical support can be helpful.

Get a weekly roundup of the best Substack posts, by hacker news affinity:

Initial troubleshooting steps included charging the e-reader, performing soft and full resets, and checking the charging port and battery.
Hardware debugging involved attempting to fix the charging port and then replacing the battery when the issue persisted.
The repair process required creative solutions like using a different battery and making adjustments to ensure the e-reader was functional.

Learn how to open and run Obsidian commands from external applications using plugins like Advanced URI, Dataviewjs, and Templater.
Utilize the constructed URI to open Obsidian from Chrome bookmarks, create shortcuts on iPhone, or create a terminal alias for easy command line access.
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.

System calls are how programs interact with the operating system to request and manage resources like memory and files.
System call tracing allows real-time observation of running processes to understand resource usage and behavior.
Tracing tools like strace and perf can help diagnose issues in production systems but come with a performance impact, requiring caution in usage.