Omarchy Linux on a jailbroken PS4. A small PS4 application installs and boots the kernel; the desktop lives on a separate USB drive.
Cold boot to desktop on the Baikal B1 console — watch on x.com.
Hardware-development beta. One console verified: PS4 Slim, Baikal B1.
v0.31 — Baikal beta
· unsigned · omarchy-ps4-v0.31-baikal-beta.pkg, 20,905,984 bytes,
138ab7d05162ff4bb67faddcc1a9576a0f22dc13810f2ead5a2293b32467c6a3
Kernel source and builds:
meerzulee/linux-ps4
· v6.18.44-ps4-baikal-r1
The USB root filesystem is not published yet. See the release notes.
- PS4 Slim, Baikal B1 southbridge, jailbroken with GoldHEN
- one USB drive, flashed whole-device as ext4 labelled
OMARCHY-PS4 - a UART cable for development work
Other southbridges and firmware combinations are unverified.
docs/GETTING-STARTED.md — jailbreak, USB, package,
first boot, owner setup.
Linux 6.18.44 · Hyprland on Wayland · UWSM · Quickshell · Omarchy 4.0.0 · 1920×1080@60 · 1024 MB VRAM · XFCE as the recovery desktop.
- persistent autologin, pending a bounded reboot pass on a rebuilt image
- network-time persistence, pending the same
- release signing
- repeated cold-boot acceptance
docs/GETTING-STARTED.md |
install and first boot |
docs/BUILDING.md |
reproducible build sequence |
docs/PLAN.md |
gate-driven roadmap |
docs/CHECKPOINT-2026-08-22.md |
current state and resume plan |
docs/COMPATIBILITY.md |
what is claimed and on what evidence |
docs/PS4-FIXES.md |
PS4-specific patches |
docs/DEVELOPMENT-MODE.md |
hardware experiment rules |
experiments/SESSIONS.md |
UART experiment record |
fpkg/README.md |
the PS4 application |
docs/ARCHITECTURE-RESEARCH.md |
original design research |
Omarchy is MIT. The kernel is GPL-2.0-only and binary releases ship with
corresponding source. Bundled userland keeps its own licenses. No Sony firmware
is redistributed; the kexec path extracts Radeon firmware from the running
Orbis OS at boot. Third-party inputs and their status:
fpkg/THIRD_PARTY.md,
fpkg/CREDITS.md.
Not affiliated with Sony Interactive Entertainment. Not a jailbreak, and not a production distribution.