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Null OS 1.2.1

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@Null0Grid Null0Grid released this 29 Oct 20:26
1.2.1
2e9701b
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claude Claude
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Null OS 1.2.1: installing works. Debian 13 (trixie), KDE Plasma 6, Neon Lab.

Use this instead of 1.2.0: on 1.2.0 and earlier, installing to a disk failed at the copy step ("Failed to find unsquashfs"). Trying Null OS live from the USB was fine.

Two ISOs

  • nullos-1.2.1-trixie-amd64.iso: normal PCs (x64), BIOS or UEFI.
  • nullos-1.2.1-trixie-arm64.iso: ARM64 machines that boot with UEFI, such as Apple Silicon Macs in UTM or Parallels, and ARM servers or cloud VMs. Same system and apps; VirtualBox isn't offered on ARM64 (no Linux ARM build), use QEMU/KVM. Raspberry Pi isn't supported yet.

Fixed

  • Installing to a disk. The installer now has the tools it needs: squashfs-tools (copies the system) and GRUB for BIOS and UEFI (Debian's installer fetches GRUB from a package pool on Debian's own ISO, which Null OS doesn't have). Encrypted installs get their initramfs support too. Tested end to end in a VM: install, reboot, log in.
  • Installed systems boot with the Null OS splash and show "Null OS" in the boot menu.
  • The installer's logo, welcome picture and slideshow are Null OS, not Debian.

Everything from 1.2.0

  • Minimal or Full, like Ubuntu: the installer's Apps page. Minimal is just the Null OS desktop; tick Null OS Full (or parts of it) to download apps during install. Null OS Extras in the start menu adds them later.
  • Full: Desktop apps (VLC, Gwenview, Okular), Discover + Flathub, VSCodium, Remote desktop (Remmina RDP/VNC), Network toolkit (Wireshark, nmap, tcpdump, mtr, iperf3, WireGuard...), Firewall (ufw), Office (LibreOffice), Docker + Podman, QEMU/KVM + virt-manager, VirtualBox 7.2, VS Code, Claude (Claude Desktop + Claude Code), NULL // PLAY, Homelab (Ansible, kubectl, Terraform), Programming (build tools, Python, Node.js, Go, Rust, Java, GitHub CLI).
  • Packet on the installer's finished page.

Known

  • Secure Boot isn't supported yet: turn it off in the firmware settings to install on a PC.

Source code

Null OS is Debian 13 packages plus this repository's build configuration. nullos-1.2.1-SOURCES.md (attached) says where every source lives; nullos-1.2.1-sources.tsv lists each package on the ISO with its exact Debian source version.

VirtualBox

Linux / Debian (64-bit), 4 GB RAM, 2+ CPUs, Graphics VBoxSVGA, 128 MB video memory, 3D off, 25 GB disk. Live login: user user, password live.

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