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AI-generated[emerg] open() "/etc/nginx/nginx.conf" failed (13: Permission denied) after configuration restore
After restoring an nginx configuration from a backup, the goal is to have the service start successfully and serve content using the restored files. The restored files must retain the original ownership (root:root) and permissions (644 for files, 755 for directories), and any SELinux contexts must match the original policy; otherwise the nginx worker process