
Fix 'git pull failed index.lock file exists' Error
When running git pull, you may see an error like:
fatal: Unable to create ...
Software troubleshooting desk

When running git pull, you may see an error like:
fatal: Unable to create ...

You run npm install or npm start and get npm ERR! package.json no...

If you see "Permission denied" when running pip install, you're not alon...

When you run docker pull and see access denied, Docker cannot authentic...

When you mount an external drive and point Nginx to serve files from it, you may get a 403 Forbid...

You're in the middle of a git merge, and instead of the usual conflict markers, you see