Updated in May 2025.

This course now features Coursera Coach! Dive deep into the art of diagnosing and resolving critical Linux system issues in this comprehensive advanced course. You’ll develop the expertise to handle everything from kernel panics and performance bottlenecks to full-scale disaster recovery, using real-world scenarios and proven system recovery techniques. The course kicks off with advanced system administration troubleshooting, including memory issues, process failures, and network configuration challenges. You’ll also master key utilities like sed, systemctl, and SOS report, while learning to recover lost root passwords, rollback patches, and resolve command execution problems. Later modules focus on virtual and physical system recovery, exploring strategies for handling serious crashes and implementing disaster recovery plans. You'll finish with an extensive toolbox of commands and utilities covering file permissions, service management, backups, system monitoring, and Linux security hardening. This course is ideal for experienced Linux users, sysadmins, and IT professionals who want to elevate their troubleshooting capabilities. Prior Linux experience is required, and the course is best suited for Advanced learners.