Cascading Infrastructure Failures: From Forgotten Config to Complete Outage

This incident demonstrates how minor configuration oversights and neglected infrastructure maintenance can cascade into complete service collapse. By documenting the diagnosis and recovery process, the author highlights critical lessons: automated log rotation, disk space monitoring, and proactive alerting are essential safeguards for any production or personal infrastructure. For DevOps and system administrators, this is a practical case study in both failure prevention and recovery techniques.