JELOS - Just enough Linux Operating System

Just Enough Linux Operating System (JELOS) is a simple Linux distribution for ARM based devices that specializes in handhelds. My goal is to build an operating system that has the features and capabilities that I need, and to have fun building it.

Features

Supports the Anbernic RG552 handheld.
A 64bit Operating System.
Supports FAT32, ExFAT, and EXT4 file systems.
Filesystem compatibility with Android

NOTE: Support for the RG351 series coming soon.

Licenses

JELOS is a Linux distribution that is made up of many open-source components. Components are provided under their respective licenses. This distribution includes components licensed for non-commercial use only.

JELOS Branding

JELOS branding and images are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

You are free to

Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material

Under the following terms

Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
NonCommercial — You may not use the material for commercial purposes.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.

JELOS Software

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Installation

Download the latest version of JELOS (.img.gz) for your device.
Decompress the image.
Write the image to an SDCARD using an imaging tool. Common imaging tools include Balena Etcher, Raspberry Pi Imager, and Win32 Disk Imager. If you're skilled with the command line, dd works fine too.

Upgrading JELOS

Download the latest version of JELOS (.tar or .img.gz) for your device.
Copy the update to your device over the network or to the sdcard's update folder.
Reboot the device, and the update will begin automatically.

Network Access

The username for ssh and samba access is "root". The default password is generated on boot. It can be found in the Network Settings menu.

Frequently Asked Questions

Does JELOS offer any support?
- No. JELOS is something that I develop for fun, it is provided as-is. If you require a distribution with support, I recommend you choose a community supported distribution instead.
Do you plan to add additional ports, software, or emulators?
- I add things to JELOS as I have an itch to scratch. The community has updated PortMaster to work with JELOS.
What about N64, Dreamcast, Saturn, Jaguar, PSP, etc on the 552?
- Those platforms perform best in Android on the 552, and I have no interest in them. I recommend that you use Android instead for those.
Will you support my device?
- If you send me a device and source code, I'll consider it.

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