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

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

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

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

If you see bash: /path/to/venv/bin/activate: Permission denied when trying to activa...

If you're seeing fatal: unable to access 'https://...' : Failed to connect ...:...

If you see a STATUS_ACCESS_VIOLATION error in Chrome, it usually happens when th...