The article describes how the author built a custom server monitoring and alerting system, named "Watchman," to track uptime, resource usage (CPU, memory, disk), and receive instant notifications (email/Slack) when anomalies or failures occur, reducing reaction time and manual oversight.
Background
Akash Rajpurohit is a software developer and writer who runs a personal homelab — a small collection of servers he manages himself at home. In this post, he describes building his own custom server-monitoring tool (which he calls a "watchman") to track metrics like CPU usage, memory, disk space, and uptime, and to send alerts when something goes wrong.