# RackMon

RackMon is a self-hosted rack temperature and Simple Network Management Protocol (SNMP) monitoring service for homelabs and small server rooms. It is open source and self-hosted, installable on Docker Hub and Unraid.

Canonical page: https://ourlocalhost.com/app/261/rackmon

## Description

RackMon is a self-hosted rack temperature and Simple Network Management Protocol (SNMP) monitoring service for homelabs and small server rooms. It provides live per-rack-unit thermal heatmaps, SNMP v2c/v3 polling, alerting with delay and duplicate alert suppression, service-level agreement reports, and a public status page in one container without accounts or phone-home. The free Community edition supports unlimited devices and metrics.

## Platform availability

Available on 1 of 9 platforms: Unraid.

## Health score

48/100 (Fair), based on 2 of 4 factors.
- Easy to install: 20 (1 install platform, Docker image)
- Light to run: 85 (512 MB minimum RAM)

## Links

- Docker Hub: https://hub.docker.com/r/rackmon/rackmon
- Unraid: https://ca.unraid.net/apps/rackmon-1gpjndl07y5s4l?q=RackMon
- Official website: https://rackmon.app
- Documentation: https://rackmon.app/docs.html

## Common questions

### Which host port should I map for the RackMon container?

The example command maps host port 8000 to container port 8000 with docker run -p 8000:8000 rackmon/rackmon.

### Which SNMP versions does RackMon support for polling?

RackMon supports SNMP v2c and SNMP v3 polling.

### Does RackMon require an account or phone-home?

The Community edition runs self-hosted with no account and no phone-home.

### How long is device history retained by default?

History is retained for 30 days by default, and the retention period is configurable.

### Which notification channels can RackMon use for alerts?

Alerts can be sent via email, Slack, Microsoft Teams, webhook, or Telegram.

### Are there device limits in the Community edition?

The Community edition is free forever and supports unlimited devices.

---
Source: Our Local Host (https://ourlocalhost.com/app/261/rackmon), the self-hosted and open-source app directory.