Tuxoid v0.1.1 - A full Linux desktop environment on your Android

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*** Disclaimer

As usual, I am not responsible for thermonuclear war or other apocalyptic futures.
TL;DR: If you break your device with this project, it's not my fault (although I will of course be willing to help you in your troubles!!).



Introduction
Have you ever wanted to use your Android device as a fully-fledged desktop Linux box? Now you can, with Tuxoid!
A year or two ago, I discovered the Linux-on-Android project. (http://forum.xda-developers.com/show....php?t=1585009) I was fascinated by the possibility of running Linux on top of Android and using a desktop environment. However, I was slightly disappointed by the lack of some features, as well as a lack of development over the time of the project's existence. Thus I embarked upon an epic quest (well maybe not quite that dramatic) to build my own version from the ground up, basing it upon the ideas explored by Linux-on-Android.

After some on and off hacking on my OnePlus One, I now have some very early working code.
Below is a video demonstration of the current state of Tuxoid, demonstrating a few of its features.

Here is a list of some of these features:
- The big one: fast and high quality display system
- Native keyboard and mouse support (automatically disables Android's built-in system)
- Audio support. Audio from the desktop environment is piped into Android's audio system, so you can use your device's speakers, headphones or bluetooth etc

UPDATE: First builds!
I've built the first publicly available versions of the project. Before you get excited, I should warn you that they are in an unstable state. You can grab the APKs in the Downloads section of this project, as well as on the Releases page of the project on GitHub. These builds are not for n00bs! If you're still determined to give them a try, here are the instructions:

Requirements
  • An Android device running 4.1 or newer (it will be availabe for older versions in the future, but for know only Lollipop is supported) Older versions now supported!
  • Root with SuperSU for managing permissions. I will not explain this here, as there are already hundreds of guides available. If you don't know how to root your device, this project (at least in these early stages) is not for you.
  • A reasonable amount of internal storage (at least 1-2 GB free)
  • A stable internet connection. Make sure you're using WiFi for best results.
  • A mouse and keyboard to control the desktop environment. You should be able to use wired ones (via an OTG adapter) or wireless via bluetooth. As long as Android recognizes it, you should be good to go.
  • This is not a requirement, but you won't be able to do much without it (for now): knowledge of the Linux command line and preferably how to use the pacman package manager for Arch Linux, as that is the distro upon which Tuxoid is based (more distros will be available down the line!)
Setup and installation
  1. Once your device is rooted, open up the SuperSU app and go to the Settings tab. Find an option labelled "Mount namespace separation" and ensure it is UNchecked. (Make sure to reboot before continuing if you had to do this)
  2. Download and install the APK for Tuxoid. Again, if you don't know how to do this, you shouldn't be attempting to install an early build Tuxoid...
  3. Open the Tuxoid app and tap the gear in the actionbar to go to the settings menu. There are a few options you can tweak here, but the main one you should be interested in right now is 'Disk image size'. Select a size that suits the amount of space you have free on your internal storage. I would recommend 4GB (the default) to allow room for installation of your own packages later. If you have less space free on your internal storage than you select here, the setup process will fail.
  4. Go back to the main screen of the app and ensure you have a stable internet connection. Now connect your keyboard and mouse (you must connect them before booting Tuxoid up every time). Then, press 'Start' to begin the setup process. This will probably take a while, so just leave your device down for a while and check up on it every once and a while.
  5. Eventually, if all went well, you should see a screen with a grey background and an xterm window. Feel free to run some commands. To start, I'd recommend installing the Chromium browser (open source version Google Chrome). To do this, run 'sudo pacman -S chromium' (without quotes). The password is the same as your username. Once installed, run 'chromium' to start the browser. For those who are interested, the window manager installed by default is Openbox. If you want to install some more packages, the list of available ones in Arch Linux for ARM devices is available here: http://archlinuxarm.org/packages If you weren't able to get up and running (i.e. no screen with a cursor and no xterm), you can try some of the steps described in Troubleshooting & Tips.
  6. When you're finished playing around, follow the steps below to ensure clean shutdown of Tuxoid. If you want to boot up again, you can just open up the app at any time and tap on the start button. Tuxoid will use your existing system image.
Shutdown procedure
When you're done, simply press the back key on your device to close the GUI and press the stop button to shutdown Tuxoid. After a few seconds, the log will show "SHUTDOWN!", meaning the shutdown procedure was completed successfully.

Troubleshooting & Tips
  • If Tuxoid failed to boot during the initial setup, you can retry by first removing files in the 'droidtop' folder on your internal storage (usually 'system.img' and 'arch.tar.gz') and then pressing 'Start' again in the app.
  • If your mouse and keyboard aren't working in Tuxoid, ensure that they were connected to your device BEFORE you pressed the start button and make sure they were detected by Android. If they weren't detected by Android itself the they definitely won't work with Tuxoid.
  • If you something goes wrong at any stage while using Tuxoid, please press the 'Send log' button in the app to send me a copy of the log shown on the main screen.
  • If the app crashes, a dialog will pop up asking you to send a report. Please do this as it makes it much easier for me to fix bugs!
  • If you have any feedback and suggestions, feel free to post them here in the forums! You can also submit issues on the GitHub project (although this is really more orientated towards developers)
  • If you are a developer and want to get involved in the project, you can post here in the forums and/or submit pull requests on GitHub.
Source code
I've published all of the source code for the app to GitHub (http://github.com/jackos2500/tuxoid) Feel free to fork and make changes, and, even better, submit pull requests to move the project forward!

Finally, I would like to say thanks to the guys over at Linux-on-Android for their great work, without which the idea for this project would never have existed!

XDA:DevDB Information
Tuxoid, App for all devices (see above for details)

Contributors
jackos2500

Version Information
Status: Testing

Created 2015-06-13
Last Updated 2015-06-14

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