Fix Git 'index.lock' File Exists Error on Linux
When working with Git on Linux, you might see an error like:
fatal: Unable to creat...Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
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Fix Python Permission Denied When Installing Packages on Mac
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Fix npm 'package.json not found' Error in Subdirectories
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