UmVirt

About

UmVirt is private virtualization lab, software developer and GNU/Linux distribution maintainer.

In august 2026 we fled from Russia to Kazakhstan.

Currently we facing with financial issues.

If you appreciate our work and achievements you can make donation to us as private person.

Research projects

ULFS - Sample source code GNU/Linux distribution based on Linux From Scratch and Beyond Linux From Scratch books.
- ULFSVM - Virtual machines disk images based on ULFS.
- LFSAutoBuilder - Automatic Linux From Scratch (LFS) disk image builder.
- On-line Linux kernel configuration checker - Web-service to check Linux configuration files.
- Clusters - Building clusters with ULFS.
- Waydroid@ULFS - Research project aimed to port Waydroid to ULFS.
- ZoneMinder@ULFS - Research project aimed to port ZoneMinder to ULFS.
Autobuilds - Autonomous source code package bundles with automated build script for ULFS and other GNU/Linux distributions.

Web-services

bcoins - Cryptocurrency prices.
V86 - x86 (i686) emulator for browser. 32-bit raw ULFS disk images are supported (Console, LXDE, Mate, XFCE).
Snap - Alternative web-interface to Canonical Snapcraft.
Unicode map - Service to check Unicode support in browsers.

Video

ULFS 0.3 Demo Live DVD/USB Kazakhstan Edition

Source code

GitLab - Primary public source code repository, issues trackers.
GitHub - Secondary public source code repository, issues trackers.

News

2026-09-14
- ULFS Build Environment Live DVD/USB to build Linux From Scratch 13.1 is now available.
2026-08-31
- ULFS 0.3 Demo Live DVD/USB Kazakhstan Edition is now available. Localized editions for various coutntries are can be created.
2026-08-23
- Kernel update on ULFS BE 0.3 Live DVD/USB.
2026-08-08
- UmVirt lab has been temporarily moved from Russia to Kazakhstan. Currently we have no official status but available for negotiations. We can offer ULFS as source for local Kazakhstan GNU/Linux distribution.
2026-05-17
- Fixed demo disk images for ULFS 0.2.4 is now available. Reviews are welcome!
2026-05-15
- Warning: Another critical vulnerability has been found in Linux kernel!
  All ULFS releases affected. Please stop using ULFS. Fixed disk images will be released soon. Stay tuned!
2026-04-30
- Warning: Most critical vulnerability in history CVE-2026-31431 called "Copy Fail" has been found in Linux kernel!
  All ULFS releases affected. Please stop using ULFS. Fixed disk images will be released soon. Stay tuned!
2026-04-20
- New tool V86 emulator is available. Raw ULFS 32-bit images (i686) are supported.
2026-04-05
- New service "On-line Linux kernel configuration checker" is available. This service is allows to check Linux configuration files with browser.
2026-03-06
- Demo Live DVD/USB ULFS 0.2.4 alpha is available. No build is needed, just download and run.
2026-02-22
- ULFS Build Environment Live DVD/USB to build Linux From Scratch 12.4 has been updated to support TWIN and some fun stuff.
2026-01-01
- 2025 annual report is published for our users and followers.
2025-09-19
- ULFS Build Environment Live DVD/USB to build Linux From Scratch 12.4 is now available. Now with VTM and SysV support.
2025-08-20
- It's possible to use ULFS to build clusters.
2025-08-05
- Updated autobuilds for ELKS and ReactOS.
2025-06-11
- Demo Live DVD/USB ULFS 0.2.3 alpha is updated. Now with a lot of KDE 6 applications and games.
2025-05-29
- ULFS 0.2.3 and ZoneMinder can be used to convert a computer or virtual machine to NVR (Network Video Recorder).
2025-05-23
- Demo Live DVD/USB ULFS 0.2.3 alpha is available. No build is needed, just download and run.
2025-05-15
- ULFS 0.2.3 is can be used to build KDE and then LXQT. It's take a lot of time but allows to build various KDE applications like Falkon browser.
2025-05-06
- Research "Waydroid porting to ULFS" is done. Now it's possible to run Android in ULFS 0.2.3 with Waydroid.
2025-04-18
- ULFS 0.2.3 can be used to build HTML-documentation of Linux From Scratch books (LFS, BLFS, MLFS, GLFS) from source code.
2025-03-10
- ULFS Build Environment Live DVD/USB to build Linux From Scratch 12.3 is now available.
2025-03-08
- LFSAutobuilder was upgraded. Now it can be used to build LFS 12.3-systemd bootable disk images.
2025-02-25
- Experimental Webchat was launched.
2025-01-01
- 15th anniversary report is published for our users and followers.
2024-08-27
- New service "Snap" to download .snap-files from Canonical Snapcraft.

Support us

If you appreciate our achievements you can support us indirectly:

Use, install, promote ULFS, LFS, GNU/Linux, open-source software.
Create an autobuilds bundles.
Develop an open-source software.
Rewrite to C or C++ languages software written particularly or entirely on other languages (especially Rust, Java, Go).
Fork and improve abandoned critical open-source software written on C or C++ (like libxml2, librsvg).
Contribute to:

Also you can support us directly by making donations to our cards:

Freedombank Banker Card (Visa): USD, EUR.
Kaspi.Kz Gold Card (Visa): KZT only.

To get cards numbers contact with us.

Warning: We don't affiliated with Russian authorities or citizens. Payments from Russia to our cards are rejected by banks. Please stop shadow bans.

Contacts

Facebook: https://www.facebook.com/groups/umvirt/
Telegram: https://t.me/umvirt_dot_com
Whatsapp: +7 700 727 2854