---
name: "fumon"
section: "1"
platform: "linux"
package: "uwsm"
version: "0.27.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/fumon"
---

# fumon(1)

Failed Units Monitor.

## NAME

**FUMon** - Failed Units Monitor.

## SYNOPSIS

**fumon**

## DESCRIPTION

Watches for user units entering failed state, sends notifications via **notify-send**.

Service is managed by user unit **fumon.service**, wanted by **graphical-session.target**.

If it is not enabled by default, enable and start it with:

**systemctl --user enable --now fumon.service**

## SEE ALSO

[**busctl**(1)](/busctl/1.md), [**notify-send**(1)](/notify-send/1.md), [**uwsm**(1)](/uwsm/1.md)