Resolving Nginx 502 Bad Gateway with PHP-FPM Unix Socket on Debian 12 Bookworm
Fix Nginx 502 Bad Gateway errors on Debian 12 Bookworm caused by PHP-FPM Unix socket misconfigurations or resource issues. A comprehensive troubleshooting guide.
Browse all server troubleshooting guides and configuration walkthroughs tagged with #unix-socket.
Fix Nginx 502 Bad Gateway errors on Debian 12 Bookworm caused by PHP-FPM Unix socket misconfigurations or resource issues. A comprehensive troubleshooting guide.
Troubleshoot 'Permission Denied' errors when Nginx worker processes fail to open Unix sockets on Ubuntu 20.04 LTS. Resolve common user, group, and directory permission issues.
Troubleshoot Nginx 'permission denied' errors when connecting to Unix sockets (e.g., PHP-FPM) on Debian 12. Fix common ownership and permission issues for seamless web service.
Resolve 'PHP-FPM socket permission denied' errors on Alpine Linux caused by Nginx and PHP-FPM user/group mismatches. Fix your 502 Bad Gateway now!
Troubleshoot Nginx 502 Bad Gateway errors on macOS with PHP-FPM Unix sockets. This guide covers common misconfigurations and permissions issues.
Comprehensive troubleshooting guide for connect() to unix:/var/run/php/php-fpm.sock failed (111: Connection refused). Learn root causes, system traces, and verified resolutions.
Troubleshoot Nginx worker process 'permission denied' errors when opening Unix sockets on macOS, often due to user/group mismatches or incorrect socket permissions.
Troubleshoot 'permissions denied' when Nginx worker processes fail to open a Unix socket on Windows WSL2 Ubuntu. Fix PHP-FPM and directory permissions.
Resolve Nginx 502 Bad Gateway errors when using PHP-FPM via a Unix socket on Ubuntu 22.04 LTS. A definitive guide for common misconfigurations and resource issues.
Fix Nginx 502 Bad Gateway errors on Alpine Linux when using PHP-FPM via a Unix socket. Diagnose common issues like permissions, socket path, and PHP-FPM configuration.