Checklists for software errors, setup, and tool workflows.

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Update Git SSL Certificates to Fix 'unable to get local issuer'

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

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 Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix 'nginx cannot read file permission denied' Error
When Nginx returns a 403 Forbidden or logs "permission denied" for a static file, it'...

Fix 'Permission Denied' Error When Saving VS Code settings.json
You open VS Code's settings.json (either user or workspace), make a change, and try to save. ...

Fix DNS Probe Finished NXDOMAIN on Chrome for Android
If you see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome on your Android phone, it me...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Update Git SSL Certificates to Fix 'unable to get local issuer'

Fix Git Clone Connection Timed Out via HTTPS

Fix Nginx Upstream Connection Refused in Proxy Pass

Fix 'nginx cannot read file permission denied' Error

Fix 'Permission Denied' Error When Saving VS Code settings.json

Fix DNS Probe Finished NXDOMAIN on Chrome for Android

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