Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Chrome Access Violation Errors After Update

After a Chrome update, some users encounter an 'access violation' error—typically a popup...

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...

Git Merge vs Rebase Conflicts: Key Differences and Fixes

When you work with Git, you'll eventually hit a conflict during a merge or rebase. The confli...

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...