---
title: TrueNAS
kind: note
description: open-source NAS appliance with a web-based UI, based on Debian and OpenZFS
words: 44
readingMinutes: 1
created: '2026-01-24T16:38:14+01:00'
updated: '2026-06-29T20:34:03+02:00'
---
- Open-source NAS appliance with a web-based UI, based on [Debian](/notes/debian) and <span class="dead-link">OpenZFS</span>
- Previously called "FreeNAS", which was based on [FreeBSD](/notes/freebsd)
# Resources
- 

<div class="youtube-embed"><iframe src="https://www.youtube-nocookie.com/embed/dP0wagQVctc" title="6 Crucial Settings to Enable on TrueNAS SCALE" loading="lazy" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></div>


- [Setting Up Static IPs](https://www.truenas.com/docs/scale/23.10/scaletutorials/network/interfaces/settingupstaticips/)
- [Containers](https://www.truenas.com/docs/scale/25.10/scaletutorials/containers/#figure-28) - added in 25.04, still experimental in 25.10, use at own risk
# FAQ
## Send mail from the [CLI](/notes/cli)
```shell
cli -c 'system mail send mail_message={"subject":"test","text":"Test message."}'
```