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Fix 'Externally Managed Environment' Error on Linux - How to Resolve Cloudflare 521 on WordPress-Nginx Redirect Loop: Server Block Fix

2026-07-28 06:33:45
Fix 'Externally Managed Environment' Error on Linux - How to Resolve Cloudflare 521 on WordPress-Nginx Redirect Loop: Server Block Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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