Experimental Operating System

RADPx OS

RADPx OS is the Crimson 0.1.5 experimental package line for the POSIX-inspired kernel, the x86 VM image track (framebuffer terminal plus a Slint multi-window desktop shell whose Terminal, File Explorer, and Text Editor windows now run as separate userland processes over the compositor), embedded board ports, future SoC targets, and RADPx .radpm package metadata.

Version: Crimson 0.1.5 Suite: experimental Build: RadBuild os.radpx Current x86: 0.1.5 beta 1

Current Crimson x86 Release

The current x86_64 GRUB release bundles include the bootable ISO, ext4 root filesystem image, FAT image, checksums, and helper scripts where available.

RADPx OS 0.1.5 beta 1Versioned GitHub Release for Crimson x86 terminal, smoke-test, RADCompositor images, and RADpm packages. x86_64 Interactive Terminal BundleFramebuffer login shell profile with Vim tiny, ncurses metadata, ISO, ext4, and FAT images. x86_64 Smoke Terminal BundleAutologin/autotest terminal profile for scripted VM checks. x86_64 RADCompositor BundleSlint multi-window desktop shell (Terminal, File Explorer, Text Editor) with Vim tiny, ISO, ext4, and FAT images.

API Documentation

The public Crimson kernel API docs are generated from the RADPx-OS repository with Doxygen.

RADPx-OS APIKernel API, device tree, networking, compositor, and Pi Zero 2 W notes.

Build With RadBuild

RadBuild 0.2.1 owns the canonical x86_64 GRUB VM image builds. Crimson currently publishes separate terminal and RADCompositor/Slint profiles, both under the experimental suite.

radbuild build os --settings settings.json --json-events

Crimson VM Profiles

The terminal profile boots directly to the framebuffer login prompt and rash. The window-manager profile boots the Slint-backed RADCompositor desktop shell — a gradient dock with an app launcher plus movable, resizable Terminal, File Explorer, and Text Editor windows, all rendered by dynamic Slint in the freestanding kernel.

radbuild build os --settings settings.terminal.json --json-events
radbuild build os --settings settings.wm.json --json-events

Root Filesystem

rkconfig controls the generated hostname, initial root password, terminal scale, and ext4 size. The image stages Unix-style directories including /bin, /dev, /etc, /home/root, /lib, /mnt, /usr, /tmp, and /var/log.

RADPx kernel modules use .rko; future RADPx shared objects use .rso.

RADPx Package Repository

RadicalPackages hosts RADPx .radpm metadata and release archives beside Debian packages. In this release line, RadBuild is the installer: it resolves package metadata and stages package archives into generated root filesystems.

Common OS images should select packagegroups first, then add explicit packages only when needed. Packagegroups keep terminal, desktop, networking, and SDK selections reproducible while still letting RadBuild report missing dependencies without silently changing a project.

radpx-terminal-baseCore terminal image set with RADLib, ncurses, and Vim tiny. radpx-desktop-baseRADCompositor/RADLib UI image set for the window-manager profile. radpx-networkingNetwork, DNS resolver, time sync, and timezone packages. radpx-dev-sdkDevelopment/sysroot package set for RADPx terminal application ports.

radpx-coreCore RADPx userspace layout and boot support metadata. radpx-ncursesRADPx ncurses/tinfo shared runtime, .rso libraries, static archives, and terminal UI headers. radpx-vim-tinyTiny upstream Vim port metadata, RADPx defaults, and Vim license for terminal images. radlibRADLib aggregate metadata for future RADPx userspace and service packages. radlib-runtimeRADLib runtime package metadata for generated RADPx root filesystems. radlib-uiRADLib UI and Slint-facing metadata for RADPx OS builds. radpx-networkRADPx network service package metadata. radpx-dns-resolverDNS resolver service package metadata. radpx-time-syncNTP/time synchronization service package metadata. radpx-tzdataTimezone data package metadata.

Experimental .radpm IndexMachine-readable package records for RadBuild. Experimental PackagegroupsMachine-readable terminal, desktop, networking, and SDK group records. RADPx Release AssetsCurrent .radpm archives and x86 image bundles. Package CatalogDebian and RADPx package listings.

Create an Image From Scratch

Install RadBuild, create a RADPx project from a packaged template, use menuconfig to select packagegroups and runtime settings, then run the emitted VM script.

sudo apt install radbuild
radbuild project create ~/radpx-work --non-interactive --template radpx-os-terminal --project-name radpx-terminal
cd ~/radpx-work/radpx-terminal
radbuild menuconfig --settings settings.json
radbuild build os --settings settings.json --json-events
./artifacts/radpx/x86_64-grub-terminal/run-radpx-vm.sh

Full WalkthroughTemplate, source checkout, packagegroups, rkconfig, SDK, artifacts, and VM checks. Configuration ReferenceAll important RADPx, RADpm, rkconfig, and SDK settings.

RadicalPackages