---
title: 'System Requirements'
url: 'https://docs.danami.com/warden/basics/system-requirements'
markdown: 'https://docs.danami.com/warden/basics/system-requirements.md'
date: '2026-10-08'
description: 'Supported Operating Systems AlmaLinux 10 AlmaLinux 9 AlmaLinux 8 CloudLinux 9 CloudLinux 8 Debian 13 Debian 12 RedHat Enterprise Linux 9 RedHat Enterprise Linux 8 Rocky Linux 8 Ubuntu 26 Ubuntu 24 Ubuntu 22 Supported VPS Virtuozzo OpenVZ KVM Xen Vmware HyperV Supported Plesk Version…'
taxonomy:
  category:
    - docs
---

[](#)  [ Basics ](https://docs.danami.com/warden/)      System Requirements    

# System Requirements

## Supported Operating Systems

- AlmaLinux 10
- AlmaLinux 9
- AlmaLinux 8
- CloudLinux 9
- CloudLinux 8
- Debian 13
- Debian 12
- RedHat Enterprise Linux 9
- RedHat Enterprise Linux 8
- Rocky Linux 8
- Ubuntu 26
- Ubuntu 24
- Ubuntu 22

## Supported VPS

- Virtuozzo
- OpenVZ
- KVM
- Xen
- Vmware
- HyperV

## Supported Plesk Versions

Plesk Obsidian 18.0.62+

## Supported Mail Servers

Postfix 3.0+

## Supported IMAP Servers

Dovecot

## Third Party Software

Amavis, SpamAssassin, and ClamAV packages from EPEL or Debian/Ubuntu Repositories

## Memory Required

Minimum 3 GB system memory with at least 1 GB free if installing ClamAV (optional)

 [ ](https://docs.danami.com/warden/basics/acknowledgements) [](https://docs.danami.com/warden/basics/installation)

---

## Navigation

- Parent: [Basics](https://docs.danami.com/warden/index.md)
- Previous: [Acknowledgements](https://docs.danami.com/warden/basics/acknowledgements.md)
- Next: [Installation Instructions](https://docs.danami.com/warden/basics/installation.md)