Download NubiferOS
The secure cloud engineer's workstation with workspace isolation, encrypted credentials, and 50+ cloud tools available.
Alpha Software
This is alpha software intended for testing and feedback. Expect bugs and rough edges. Please report issues on GitHub.Choose Your Edition
NubiferOS
Core secure workstation for cloud engineers
NubiferOS Container
Cloud tools in a Docker container — no install required
docker pull ghcr.io/nubiferos/nubiferos:latestNubiferOS + TPM
Everything in Base plus TPM 2.0 secure boot
Release Notes
NubiferOS 0.1.1
A security-focused Linux distribution for cloud engineers.
Changes
- feat: split CI/CD into 3-stage pipeline (build → test → release)
- feat: add Docker container image for NubiferOS cloud tools
- feat: add nubifer-ai .deb package for OTA NubiferAI updates
- chore: remove auto-build trigger from ISO workflow
- fix: CLI read-only wrappers and context manager critical bugs
- fix: reset versioning to 0.1.0 for alpha phase
- feat: add needrestart/kexec for fast kernel reboots, update docs and changelog
- feat: add nubifer-security and nubifer-branding packages, complete OTA coverage
- feat: bake APT signing key and update service into ISO build
- feat: add APT package repo for OTA updates, split release workflow
- changes to dashboard
- feat: add full text labels for read-only mode, fix shell enforcement and GNOME extension
- feat: add NubiferAI installer, fix Firefox bookmark policies, add bookmark browser
- fix: patch packagechooser config and make installer fullscreen
- fix: remove packagechooser module causing Calamares segfault
Download & Verify
# Verify checksum
sha256sum -c SHA256SUMS
# Verify signature (optional)
gpg --import nubiferos-signing-key.pub
gpg --verify *.iso.asc *.iso
Checksums
See SHA256SUMS attached to this release.
Commit: d5aac4d
Build: Actions
What's Included
| Component | Details |
|---|---|
| Base System | Debian 12 (Bookworm) |
| Desktop | GNOME 43 with Wayland |
| Encryption | LUKS full disk encryption (mandatory) |
| Credentials | pass + GPG + GNOME Keyring |
| Isolation | Firejail workspace namespaces |
| Cloud Tools | 50+ tools available (AWS, Azure, GCP, Terraform, kubectl, etc.) |
| NubiferAI | Optional package — install via sudo apt install nubifer-ai |
System Requirements
| Requirement | Minimum | Recommended |
|---|---|---|
| Architecture | 64-bit (x86_64) | 64-bit (x86_64) |
| RAM | 4 GB | 8 GB+ |
| Disk Space | 25 GB | 50 GB+ |
| Firmware | UEFI | UEFI |
Container
Run NubiferOS cloud tools without a full installation:
docker pull ghcr.io/nubiferos/nubiferos:latest
docker run -it ghcr.io/nubiferos/nubiferos
The container includes all NubiferOS cloud tools and works with Docker or Podman. Ideal for CI/CD pipelines or quick access to the toolset.
VM Images
NubiferOS works in VMware Workstation and VirtualBox. UEFI mode must be enabled.
| Platform | Instructions |
|---|---|
| VMware Workstation | VM Settings → Options → Advanced → Firmware: UEFI |
| VirtualBox | Settings → System → Enable EFI (special OSes only) |
Use the same ISO above for VM installations.
Verification
Always verify your download before installation.
Verify Checksum
cd ~/Downloads
sha256sum -c SHA256SUMS
Expected output:
NubiferOS-0.1.0-20260310-a65efef-amd64.iso: OK
Verify GPG Signature (Optional)
# Import the NubiferOS signing key
gpg --import nubiferos-signing-key.pub
# Verify signature
gpg --verify *.iso.asc *.iso
Installation
- Download the ISO and verify the checksum
- Create bootable USB using Balena Etcher, Rufus, or
dd - Boot from USB (UEFI mode required)
- Follow the installer — encryption is mandatory
- Reboot and enter your LUKS passphrase
Previous Releases
| Version | Release Date | Status | Notes |
|---|---|---|---|
| 0.1.1 | March 2026 | Current | CI/CD pipeline, container image, OTA updates |
Coming Soon
| Version | Target | Highlights |
|---|---|---|
| 1.5 "Stratus" (Beta) | Q2 2026 | Single-password boot, YubiKey support |
| 2.0 "Cumulus" | Q3-Q4 2026 | TPM support, team features |
Source Code
NubiferOS is open source under GPL-3.0.
| Resource | Link |
|---|---|
| GitHub Repository | github.com/nubiferos/nubiferos |
| Release Notes | GitHub Releases |
| Report Issues | GitHub Issues |
| Build Scripts | Build Documentation |
Learn More
| Topic | Link |
|---|---|
| Features | What's included in NubiferOS |
| Why NubiferOS? | How we compare to alternatives |
| Security | Security architecture |
| NubiferAI | AI-native cloud operations |
| Built with AI | How we built NubiferOS |