witr: A Diagnostic Tool for Understanding Why Processes Are Running
By
pranshuparmar
Hand-rolled, kettle-boiled, baked to perfection. Worth every minute at the bakery.
Summary
witr (why-is-this-running) is a diagnostic tool designed to answer the fundamental question of why processes are running on a system. Unlike existing tools like ps, top, lsof, ss, systemctl, and docker ps that show what is running, witr focuses on causality - tracing why processes are running by examining indirect relationships across supervisors, containers, services, and shells. The tool helps users understand the root causes of running processes that are often non-obvious or spread across multiple system layers.
Key quotes
· 4 pulledwitr exists to answer a single question: Why is this running?
When something is running on a system—whether it is a process, a service, or something bound to a port—there is always a cause.
Existing tools (ps, top, lsof, ss, systemctl, docker ps) expose state and metadata. They show what is running, but leave the user to infer why by manually correlating outputs across tools.
witr makes that causality explicit.
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