pajus @published 2026-10-01 · 11 min read nginx 502 Bad Gateway with PHP-FPM on Debian 13 Fix nginx 502 Bad Gateway with PHP-FPM 8.4 on Debian 13: map errno 13, 2, 111 and 110 in error.log to their cause, with namei, ss and cgi-fcgi checks. Tags Nginx PHP Troubleshooting Debian Server Administration
pajus @published 2026-09-27 · 9 min read PHP 8.4 DSA-6514-1: Patch Debian 13 PHP-FPM DSA-6514-1 fixes 10 PHP 8.4 CVEs on Debian 13. Check for 8.4.26-1~deb13u1, restart PHP-FPM or Apache mod_php, and verify the running binary. Tags Debian Security Updates Web Security Server Administration PHP