Talos Linux: The Kubernetes Operating System


The confidence of a platform that only changes when you want it to.

Talos Linux is Linux reimagined. It’s immutable – made to not change—so everything can change around it.

It’s API managed- there’s no shell or SSH access, reducing errors and outages.

No matter where you run, you get the same stable environment, the same stable experience.

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Kubernetes agility. Sidero stability.

  • Talos Linux is managed by a powerful API, making operations easily automated, scalable and simple.
  • Deployments are fast. Create, upgrade, or redeploy an entire cluster in minutes.
  • No SSH, no patching, no package manager. No configuration management tools.
  • Upgrades are atomic and automated, using a dual disk image scheme. If an upgrade fails, Talos will roll back to the previous version.


Easier management from a single, consistent, API-driven platform

Talos Linux is made to solve a fundamental problem with Kubernetes: manageability.

Easier updates, better sight across systems, simpler scale. Manage hundreds of systems like you’re managing one, whether you run on a public cloud, virtualized platform, bare metal or at the edge. The same API-driven tools, all the way to the OS.

Talos Linux becomes an extension of your team—helping you leverage the Kubernetes skills you have, and leveling up where you don’t.

Start right away. Learn as you go.

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Cross the Kubernetes skills gap

A Single platform. Simpler management.

  • Talos Linux automatically installs vanilla Kubernetes, in a secure configuration.
  • Automates common time consuming and error prone management tasks.
  • Supports the latest stable versions of Kubernetes and Linux, ensuring stability and security issues are addressed.
  • Supports all platforms: major public cloud providers, virtualization platforms, and bare metal, including ARM technology.
  • Kubernetes on the edge: Talos Linux supports kubernetes on Raspberry Pi and other Single Board Computers.
  • Development-to-Production Workflow: ideal for developer workstations, supporting QEMU, Firecracker micro VMs and Docker containers. This gives the same base OS through the entire app lifecycle from dev to prod.


The trust of an IT infrastructure designed with security at the core.

We built Talos Linux with security from the bottom up, and enabled by default.

Talos Linux is ideal for highly regulated environments where compliance is critical.

Designed for greater control, fewer variables, and less exposure. And less to worry about.

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Security built in, bottom up

Talos is hardened by design and configuration. Everything not needed to support Kubernetes is removed, resulting in a much smaller, secure, more stable operating system:

  • Built with the Kernel Self Protection Project configuration recommendations.
  • All access to the API is secured with Mutual TLS, and supports RBAC.
  • No shell or SSH access reduces attack surface.
  • CIS guidelines applied by default
  • Talos runs from a read-only SquashFS filesystem running entirely from RAM. This prevents bad actors from tampering with your hosts, even if they gain access.
  • The console has no shell access – just displays logs with no interactivity.
  • Support for disk encryption.
  • Kubernetes on Talos Linux is Distributed, Immutable, and Ephemeral (D.I.E.) – the modern paradigm for InfoSec security.


Open source ethos and expertise, powered by community

Open source both in our code, and an immutable part of our DNA.

We believe in community. We are engage with our community because our community has done the same in return. 

We started Sidero because we faced the same problems you do in operations. We wanted teams to have everything they love about Kubernetes and modern infrastructure—and a lot less of everything they don’t.  

And we believed we could all work to solve those problems together.


Open Source Code, Enterprise grade support Talos Linux is 100% open source code. Use it for free, work with an engaged community, and contribute back if you wish. However, if you want the assurance of expert Kubernetes support, 24 x 7 response, professional services or training, Sidero’s team of professionals can help. A Kubernetes support contract from Sidero Labs lets you focus on building value for your business, with confidence in your Kubernetes infrastructure.

Ready? Get started today!

“Talos takes the complexity out of running a k8s cluster so I can spend more time building software and less time operating it”

John Simon, Application Developer

Talos Systems is now SideroLabs!


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