Checklists for software errors, setup, and tool workflows.

Fix VS Code Git Authentication Failed: Step-by-Step Guide

You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...

Fix VSCode IntelliSense Not Working for Rust

You open a Rust project in VSCode, start typing, and get no completions, hover info, or error hig...

Fix Git Clone Connection Timed Out via HTTPS

When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

How to Fix Docker Image Pull Access Denied Error

When you run docker pull and see access denied, Docker cannot authentic...