Checklists for software errors, setup, and tool workflows.

Fix VS Code Git Authentication Failed with Two-Factor Auth

When you have two-factor authentication (2FA) enabled on your Git service (GitHub, GitLab, Bitbuc...

Fix 'nginx: configuration test failed unexpected end of file'

When running nginx -t or nginx -t -c /path/to/nginx.conf, you might see...

Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error

When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

Chrome Keeps Crashing After Reset? Try These Fixes

You reset Chrome hoping to fix a nagging problem, but now the browser crashes on startup—sometime...

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

How to Fix Git Merge Unrelated Histories Error

You run git pull or git merge and get:

fatal: refusing to...