Tiny Linux distro that runs the entire OS as Docker containers
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README.md

RancherOS

The smallest, easiest way to run Docker in production at scale. Everything in RancherOS is a container managed by Docker. This includes system services such as udev and rsyslog. RancherOS includes only the bare minimum amount of software needed to run Docker. This keeps the binary download of RancherOS very small. Everything else can be pulled in dynamically through Docker.

How this works

Everything in RancherOS is a Docker container. We accomplish this by launching two instances of Docker. One is what we call the system Docker which runs as the first process. System Docker then launches a container that runs the user Docker. The user Docker is then the instance that gets primarily used to create containers. We created this separation because it seemed logical and also it would really be bad if somebody did docker rm -f $(docker ps -qa) and deleted the entire OS.

How it works

Latest Release

v0.7.1 - Docker 1.12.3 - Linux 4.4.24

ISO

https://releases.rancher.com/os/latest/rancheros.iso
https://releases.rancher.com/os/v0.7.1/rancheros.iso

Additional Downloads

Latest Links

v0.7.1
v0.7.0

v0.7.1 Links

v0.7.0 Links

Note: you can use http instead of https in the above URLs, e.g. for iPXE.

Amazon

SSH keys are added to the rancher user, so you must log in using the rancher user.

HVM

Region Type AMI
ap-northeast-1 HVM ami-be5bf2df
ap-northeast-2 HVM ami-247fab4a
ap-south-1 HVM ami-dbf682b4
ap-southeast-1 HVM ami-c6d073a5
ap-southeast-2 HVM ami-51132c32
eu-central-1 HVM ami-2025df4f
eu-west-1 HVM ami-c62170b5
eu-west-2 HVM ami-65e8e201
sa-east-1 HVM ami-52b8273e
us-east-1 HVM ami-dfdff3c8
us-east-2 HVM ami-674c1602
us-west-1 HVM ami-da2075ba
us-west-2 HVM ami-ab3192cb

Google Compute Engine

We are providing a disk image that users can download and import for use in Google Compute Engine. The image can be obtained from the release artifacts for RancherOS.

Download Image

Please follow the directions at our docs to launch in GCE.

Documentation for RancherOS

Please refer to our RancherOS Documentation website to read all about RancherOS. It has detailed information on how RancherOS works, getting-started and other details.

Support, Discussion, and Community

If you need any help with RancherOS or Rancher, please join us at either our Rancher forums or #rancher IRC channel where most of our team hangs out at.

For issues relating to security, please email security@rancher.com instead of posting an open issue in Github.

Please submit any RancherOS bugs, issues, and feature requests to rancher/os.

Please submit any Rancher bugs, issues, and feature requests to rancher/rancher.

License

Copyright (c) 2014-2016 Rancher Labs, Inc.

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.