FunOS

Download

Welcome to the FunOS download page! Below you’ll find links to download the latest stable and interim releases of FunOS, along with important details such as file size, checksums, and release notes. Each release is based on a specific version of Ubuntu, ensuring a stable and secure foundation for your system.

Latest Release

Recommended

FunOS 26.04 LTS (Build 20260618)

  • Base: Ubuntu 26.04 LTS (Resolute Raccoon)
  • Linux Kernel: 7.0
  • Standard Support Ends: April 2031
  • Release Date: June 19, 2026
  • ISO Size: 2.1 GB
  • SHA1: 32fdce0288f3381f7d0343fe4d860b320121ec6e
  • MD5: c5d099fdf35b2bcbdd9db4daa4995c2d
  • Release Notes: View Release Notes
Download

FunOS 24.04.4 LTS (Build 20260618)

  • Base: Ubuntu 24.04.4 LTS (Noble Numbat)
  • Linux Kernel: 6.17
  • Standard Support Ends: June 2029
  • Release Date: June 19, 2026
  • ISO Size: 2.0 GB
  • SHA1: b4e699fff0592579bdc35d638e380acf9990b543
  • MD5: 7fa49522143abf6ced3baa428c123b8f
  • Release Notes: View Release Notes
Download

Previous Releases

LTS Release

FunOS 26.04 LTS (Build 20260608)

FunOS 26.04 LTS

  • Base: Ubuntu 26.04 LTS (Resolute Raccoon)
  • Release Date: April 24, 2026
  • ISO Size: 2.1 GB
  • SHA1: 13d873f64fe6fcb4956745704c82adbd88db6450
  • MD5: 32c85284ed98e8a005f0390dae55b035
  • Download Link: Download FunOS 26.04 LTS
  • Release Notes: View Release Notes

FunOS 24.04.4 LTS (with Calamares Installer – Build 20260606)

FunOS 24.04.4 LTS (with Calamares Installer)

FunOS 24.04.4 LTS

FunOS 24.04.3 LTS

  • Base: Ubuntu 24.04.3 LTS (Noble Numbat)
  • Release Date: August 11, 2025
  • ISO Size: 1.9 GB
  • SHA1: daab02df6e15756b3b6664ff60478c56c363f621
  • MD5: eb98ac9b26d0f01c5e7d7788be79743d
  • Download Link: Download FunOS 24.04.3 LTS
  • Release Notes: View Release Notes

FunOS 24.04.2 LTS

  • Base: Ubuntu 24.04.2 LTS (Noble Numbat)
  • Release Date: March 3, 2025
  • ISO Size: 1.8 GB
  • SHA1: 4ecf08e831f63404f805163a761032eba1f66310
  • MD5: fcc05d30b1f9d458ab7988e511aa3846
  • Download Link: Download FunOS 24.04.2 LTS
  • Release Notes: View Release Notes

FunOS 24.04.1 LTS (Build 20241228)

FunOS 24.04.1 LTS

  • Base: Ubuntu 24.04.1 LTS (Noble Numbat)
  • Release Date: September 1, 2024
  • ISO Size: 1.9 GB
  • SHA1: d5b19b005ee0603621af245b44aea0f19fc2504d
  • MD5: ea8214239d75f9247473dd6570e587af
  • Download Link: Download FunOS 24.04.1 LTS
  • Release Notes: View Release Notes

FunOS 24.04 LTS

  • Base: Ubuntu 24.04 LTS (Noble Numbat)
  • Release Date: May 14, 2024
  • ISO Size: 1.8 GB
  • SHA1: 35693176856c7590f648c52d3f80dec05858dce5
  • MD5: 73d1fe4806b3995631e17055580cdfb5
  • Download Link: Download FunOS 24.04 LTS
  • Release Notes: View Release Notes

FunOS 22.04.5 LTS

  • Base: Ubuntu 22.04.5 LTS (Jammy Jellyfish)
  • Release Date: October 25, 2024
  • ISO Size: 2.0 GB
  • SHA1: 4f1d6b72dabd068e97330bfe325618df734ad1c7
  • MD5: 67d67f915da7c9bf7028d6259cf9eae1
  • Download Link: Download FunOS 22.04.5 LTS
  • Release Notes: View Release Notes

FunOS 22.04.4 LTS (Build 20240402)

FunOS 22.04.4 LTS

  • Base: Ubuntu 22.04.4 LTS (Jammy Jellyfish)
  • Release Date: February 28, 2024
  • ISO Size: 1.8 GB
  • SHA1: 7e3e8f198c2fd08bd6278710e90afd052ac06f40
  • MD5: 0a94a7ef6a87545277195e4b88f58884
  • Download Link: Download FunOS 22.04.4 LTS
  • Release Notes: View Release Notes

FunOS 1.2 LTS

  • Base: Ubuntu 22.04.3 LTS (Jammy Jellyfish)
  • Release Date: February 4, 2024
  • ISO Size: 1.8 GB
  • SHA1: 86dc921672e224b94416b264aae267cb74053573
  • MD5: 71cc7d59874ec30fba140ab37ade6cfc
  • Download Link: Download FunOS 1.2 LTS
  • Release Notes: View Release Notes

FunOS 1.1 LTS

  • Base: Ubuntu 22.04.3 LTS (Jammy Jellyfish)
  • Release Date: January 29, 2024
  • ISO Size: 1.8 GB
  • SHA1: 34e7a7e50e6c0f369fd191a69844315a5c5e5768
  • MD5: 20599a0f62ceb4149a699999ce6aedb9
  • Download Link: Download FunOS 1.1 LTS
  • Release Notes: View Release Notes

FunOS 1.0 LTS

  • Base: Ubuntu 22.04.3 LTS (Jammy Jellyfish)
  • Release Date: January 2, 2024
  • ISO Size: 1.7 GB
  • SHA1: 047c8cb0cb613c2f27413c813731ca0e96c46cc1
  • MD5: dfeb36aac8766417d169bfebb0f4120a
  • Download Link: Download FunOS 1.0 LTS
  • Release Notes: N/A

Interim Releases

FunOS 25.10 (with Calamares Installer)

FunOS 25.10

  • Base: Ubuntu 25.10 (Questing Quokka)
  • Release Date: October 14, 2025
  • ISO Size: 2.1 GB
  • SHA1: 4cca638f15f46ee270747c73e22bcd87f5ab52fb
  • MD5: 46f0113d71b7c1ffb37ef56cadb113dc
  • Download Link: Download FunOS 25.10
  • Release Notes: View Release Notes

FunOS 25.04

  • Base: Ubuntu 25.04 (Plucky Puffin)
  • Release Date: April 20, 2025
  • ISO Size: 1.9 GB
  • SHA1: 80d4f4106078ed0f780453345859132121e9060f
  • MD5: 5e8d3311cb5be6dd74806408e58a1559
  • Download Link: Download FunOS 25.04
  • Release Notes: View Release Notes

FunOS 24.10 with Calamares Installer

FunOS 24.10

  • Base: Ubuntu 24.10 (Oracular Oriole)
  • Release Date: January 13, 2025
  • ISO Size: 1.9 GB
  • SHA1: 08f3f42e0edee0519a013b541aeebe1e9e9a6a95
  • MD5: 3419679c55a81f7ef27bb339b49454b0
  • Download Link: Download FunOS 24.10
  • Release Notes: View Release Notes