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Fix Git 'index.lock' File Exists Error on Linux - How to Resolve Cloudflare 521 on WordPress-VS Code Terminal Broken After Update? Try These Fixes

Updated 2026-07-28 14:02:32cloud-software

Fix Git 'index.lock' File Exists Error on Linux - How to Resolve Cloudflare 521 on WordPress-VS Code Terminal Broken After Update? Try These Fixes

Prepare

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Validate

Document

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Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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