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Purpose-built OS for Kubernetes, fully managed by Kubernetes.
An operating system designed for hosting containers
Quick Overview
Talos is a modern, minimal, and secure Linux distribution designed for running Kubernetes. It's purpose-built for containerized workloads, focusing on security, immutability, and ease of management. Talos aims to simplify Kubernetes deployments and provide a robust foundation for cloud-native environments.
Pros
- Immutable and minimal design, reducing attack surface and improving security
- Built-in support for Kubernetes, simplifying cluster setup and management
- Automated updates and self-healing capabilities
- Designed for scalability and high performance in distributed systems
Cons
- Steep learning curve for users unfamiliar with Kubernetes or immutable infrastructure
- Limited flexibility compared to general-purpose Linux distributions
- May require changes to existing workflows or tooling
- Relatively new project, still evolving and gaining adoption
Getting Started
To get started with Talos, follow these steps:
- Download the Talos ISO or VM image from the official releases page.
- Create a configuration file for your Talos node:
version: v1alpha1
machine:
type: init
token: your-token-here
ca:
crt: <base64-encoded-ca-cert>
key: <base64-encoded-ca-key>
cluster:
name: talos-cluster
controlPlane:
endpoint: https://1.2.3.4:6443
- Boot the Talos image and apply the configuration.
- Use the
talosctl
CLI tool to interact with your Talos node:
talosctl config endpoint <node-ip>
talosctl config node <node-ip>
talosctl kubeconfig
- Access your Kubernetes cluster using
kubectl
:
export KUBECONFIG=$HOME/.kube/config
kubectl get nodes
For more detailed instructions and advanced configurations, refer to the official Talos documentation.
Competitor Comparisons
Purpose-built OS for Kubernetes, fully managed by Kubernetes.
Pros of k3os
- Lightweight and optimized for edge and IoT deployments
- Integrated with k3s for easy Kubernetes setup
- User-friendly configuration and management
Cons of k3os
- Less focus on security hardening compared to Talos
- Limited customization options for advanced users
- Smaller community and ecosystem
Code Comparison
k3os configuration example:
ssh_authorized_keys:
- ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQ...
k3os:
data_sources:
- cdrom
- aws
- gcp
Talos configuration example:
machine:
type: controlplane
certSANs:
- 10.0.0.10
- cluster.local
cluster:
controlPlane:
endpoint: https://10.0.0.10:6443
Both projects aim to provide lightweight, Kubernetes-focused operating systems, but they differ in their approach and target use cases. k3os is more geared towards simplicity and edge computing, while Talos focuses on security, immutability, and enterprise-grade features. The code examples show the different configuration styles, with k3os using a simpler structure and Talos offering more detailed control over the system setup.
An operating system designed for hosting containers
Pros of Bottlerocket
- Backed by Amazon, potentially offering better integration with AWS services
- Designed with a focus on security, featuring a read-only file system and automatic updates
- Includes a web-based admin container for easier management
Cons of Bottlerocket
- Less flexible than Talos, with a more opinionated design
- Limited to container workloads, while Talos supports broader use cases
- Smaller community and ecosystem compared to Talos
Code Comparison
Talos configuration example:
machine:
type: worker
install:
disk: /dev/sda
kubelet:
extraArgs:
feature-gates: ServerSideApply=true
Bottlerocket configuration example:
[settings.kubernetes]
api-server = "https://example.com"
cluster-name = "bottlerocket-cluster"
[settings.host-containers.admin]
enabled = true
Both projects aim to provide secure, minimal operating systems for running containers, but they differ in their approach and target use cases. Talos offers a more flexible and customizable platform, while Bottlerocket focuses on simplicity and tight integration with AWS services. The choice between them depends on specific requirements and infrastructure preferences.
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Talos Linux
A modern OS for Kubernetes.
Talos is a modern OS for running Kubernetes: secure, immutable, and minimal. Talos is fully open source, production-ready, and supported by the people at Sidero Labs All system management is done via an API - there is no shell or interactive console. Benefits include:
- Security: Talos reduces your attack surface: It's minimal, hardened, and immutable. All API access is secured with mutual TLS (mTLS) authentication.
- Predictability: Talos eliminates configuration drift, reduces unknown factors by employing immutable infrastructure ideology, and delivers atomic updates.
- Evolvability: Talos simplifies your architecture, increases your agility, and always delivers current stable Kubernetes and Linux versions.
Documentation
For instructions on deploying and managing Talos, see the Documentation.
Community
- Slack: Join our slack channel
- Support: Questions, bugs, feature requests GitHub Discussions
- Forum: community
- Twitter: @SideroLabs
- Email: info@SideroLabs.com
If you're interested in this project and would like to help in engineering efforts or have general usage questions, we are happy to have you! We hold a weekly meeting that all audiences are welcome to attend.
We would appreciate your feedback so that we can make Talos even better! To do so, you can take our survey.
Office Hours
- When: Second Monday of every month at 16:30 UTC.
- Where: Google Meet.
You can subscribe to this meeting by joining the community forum above.
Note: You can convert the meeting hours to your local time.
Contributing
Contributions are welcomed and appreciated! See Contributing for our guidelines.
License
Some software we distribute is under the General Public License family of licenses or other licenses that require we provide you with the source code. If you would like a copy of the source code for this software, please contact us via email: info at SideroLabs.com.
Top Related Projects
Purpose-built OS for Kubernetes, fully managed by Kubernetes.
An operating system designed for hosting containers
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