A practical talk focused on Linux system administration and debugging tools for PHP developers. The speaker covers essential Linux concepts and demonstrates powerful troubleshooting techniques using tools like strace, lsof, and PHP-FPM access logs. The talk emphasizes understanding server-side debugging beyond just PHP code, including sessions, file locking, and I/O monitoring.

A security-focused talk by a CTO from Helsinki discussing practical hacking techniques and defensive strategies in Laravel applications. The speaker demonstrates SQL injection attacks using SQLmap, object injection vulnerabilities through PHP stream wrappers and serialization, and privilege escalation risks when running Laravel scheduler as root. The talk emphasizes the importance of proper validation, keeping software updated, and understanding security as an ongoing process rather than a one-time task.