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Lightweight operating system using Node.js as userspace.
NodeOS is an operating system built entirely in Javascript and managed by
npm. Any package in npm is a NodeOS package, that
means a selection of more than 400.000 packages. The goal of NodeOS is to
provide just enough to let npm provide the rest. Since anyone can contribute
to it, anyone can create NodeOS packages.
This project won the Spanish 9th National Free Software Championship on the Systems category and was Honorable Mention of its 10th edition. It was also presented as the degree thesis of Jesús Leganes Combarro with a qualification of 10/10 with distinction.
NodeOS is a Node.js based operating system, built-off of the Linux kernel. The NodeOS Project is aiming to, and can already run on some of the following platforms:
Core development is being done in layers. There could be some differences to adjust better to each target platform, but the general structure is:
All the layers are bootable, leading barebones to a raw naked Node.js REPL prompt as PID 1, while initramfs exec actual NodeOS code to isolate user code from the core system and, if available, mount a partition with the users' home directories and root filesystems.
If a usersfs partition is being set at boot time, it will be mounted and the
system will consider each one of its folders as the home folder for a valid user
on the system, and will execute a init file in the root of each of them. If
found, the root user will be the first to be considered and will have access
to all of the home directories, but by design it will not be possible to elevate
permissions once the system has finished booting.
If you are hacking on NodeOS for a somewhat production environment, you are
likely interested on building a custom usersfs image or modify it once booted,
since each user is isolated from the others and everyone can be able to define
its own root filesystem, but you can customize all other layers if you want. For
example, you can modify initramfs to login users and mount their home folders
from a cloud service or craft a system without global services (no root user),
or also dedicate a full NodeOS instance to a single Node.js application.
Ready to use pre-build images are automatically generated after each commit in master branch that sucessfully pass the tests. To exec them, you'll need to have QEmu installed on your system.
The iso can be written to a CD-R or flashed to a USB pendrive, but will only
provide the read-only rootfs and the changes will be done in memory, losing them
after reboot, so you'll manually need to set a read-write usersfs partition if
you want to persist them. On the other hand, if you want to flash it to a USB
pendrive, We recommended doing it by using bin/installUSB command so it will
automatically create a read-write usersfs partition to fill the remaining
space and use it as persistent storage.
Download the project source code:
git clone git@github.com:NodeOS/NodeOS.git
cd NodeOS
Install the required build tools. On a Ubuntu based system you can do it by executing:
sudo bin/install-dependencies
Install NodeOS build dependencies:
npm install
Build NodeOS:
npm run build
By default it will generate some files that can be used with QEmu, compiled
for your current machine architecture. You can configure the build process
by passing some environment variables. For example, to force to build for 32
bits, use BITS=32 npm install instead.
Exec your freshly compiled NodeOS image:
npm start
It will automatically detect what CPU architecture will need to be used on QEmu and exec the correct emulation.
...profit!
If you encounter an error when building NodeOS, take a look at the wiki or open an issue.
NodeOS can be used as a Single Process OS, where only run a single executable.
To do so, set the SINGLE_USER environment variable to the name of a npm
module when executing npm run build. This will run fully from initram,
persistence can be achieved by setting this environment variable to an empty
string and later using a custom usersfs partition, but this is still
experimental.
NodeOS fully officially supports Docker, published images are available at the DockerHub NodeOS organization. If you are interested in helping or testing, you can build them from source code.
Vagga support is fairly experimental, and help here will be greatly appreciated.
One Liner
sudo docker run -t -i nodeos/nodeos
git clone https://github.com/NodeOS/NodeOS.git
cd NodeOS
PLATFORM=docker npm install
MIT
This software consists of voluntary contributions made by many individuals. For exact contribution history, see the revision history available at https://github.com/NodeOS/NodeOS
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