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Variants, same philosophy: recipe-built systems with atomic A/B updates by default.
Requirements (all variants)
LevitateOS
glibc / systemd / GNU
The pragmatic choice. Run any Linux software without patching, use familiar tools, and find answers to every question online. Pick this if you want things to just work.
Strengths
- + All Linux software works
- + Rocky 10 RPMs available
- + systemd service management
- + Familiar GNU tools
Tradeoffs
- - Larger binaries
- - Slower boot time
- - More RAM usage
Requirements
| Min | Rec | |
| RAM | 8 GB | 16 GB |
| Disk | 64 GB | 256 GB |
RalphOS
Ralph4Days Sandbox
Agent-only appliance OS for running ralphd and isolated automation sandboxes. Designed to boot, provision, and run unattended.
Strengths
- + Immutable-only (no mutable mode)
- + Atomic A/B updates + rollback
- + QCOW2-only (preinstalled disk image)
- + Provision-and-go (SSH key)
Tradeoffs
- - Not a desktop OS
- - Not intended for interactive live repair
- - Stricter defaults (locked down by design)
Requirements
| Min | Rec | |
| RAM | 4 GB | 8 GB |
| Disk | 32 GB | 128 GB |
AcornOS
musl / OpenRC / busybox
The purist choice. Boots in seconds, uses less memory, and keeps things simple. You'll occasionally patch or compile software yourself, but you'll understand exactly what's running.
Strengths
- + Faster boot time
- + Lower RAM usage
- + Smaller disk footprint
- + Simpler init system
Tradeoffs
- - Some software needs patching
- - Fewer pre-built packages
- - Less documentation online
Requirements
| Min | Rec | |
| RAM | 4 GB | 8 GB |
| Disk | 32 GB | 128 GB |
Before Installing
LevitateOS has full hardware access and can overwrite disk contents. Back up important data. No telemetry collected. Verify checksums before installing. Source on GitHub.
Installation
Desktop variants ship as a live ISO that boots into a split-screen tmux session: shell on the left, docs on the right. Follow the Installation Guide step-by-step. Partition, extract with recstrap, configure, install systemd-boot. A/B is the default layout.