k3os

Purpose-built OS for Kubernetes, fully managed by Kubernetes. (by rancher)

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better k3os alternative or higher similarity.

k3os discussion

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k3os reviews and mentions

Posts with mentions or reviews of k3os. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-06-23.
  • Ask HN: Those running K8s in house, can you please explain your architecture?
    2 projects | news.ycombinator.com | 23 Jun 2024
    I can’t find anything about this. The project looks still active.

    Perhaps it’s a confusion with k3os, a k3s operating system. https://github.com/rancher/k3os

  • SUSE Preserves Choice in Enterprise Linux by Forking RHEL
    4 projects | news.ycombinator.com | 11 Jul 2023
    I still don't forgive SUSE for buying Rancher and then unceremoniously killing k3os. They just left the website up and everything, made no announcement, made no attempt to help the community take over, just left the Github repo to rot: https://k3os.io/

    Hard to have confidence in SUSE's commitment to another open source operating system side project after that. SUSE's announcement at the time:

    Like SUSE, Rancher is 100% open source and equally as passionate as SUSE about true open source innovation, community empowerment, and customer success. SUSE and Rancher share the same goal – happy and satisfied customers.

    https://www.suse.com/c/suse-acquires-rancher/

  • (help) best minimal distro for master nodes
    4 projects | /r/kubernetes | 29 Mar 2023
    k3os is no longer supported by Rancher: https://github.com/rancher/k3os/issues/846 I've been keeping mine up to date with https://github.com/BlueKrypto/k3os
  • Here, there, and back again: personal K8S clusters?
    1 project | /r/selfhosted | 11 Feb 2023
  • Advice on rolling home setup to k3s from docker
    1 project | /r/homelab | 4 Jan 2023
    [0] https://docs.k3s.io/installation/ha-embedded [1] https://k3os.io/
  • Spin up a bare metal cluster in 2022
    8 projects | /r/kubernetes | 4 Nov 2022
    I (still) run k3os, but it's dead since SUSE bought rancher. (see https://github.com/rancher/k3os/issues/846)
  • v107 stable w/ 5.10 kernel
    1 project | /r/pixel_slate | 4 Nov 2022
    virt-install --install \ --memory 2048 \ --os-type linux \ --os-variant ubuntu20.04 \ --disk size=20 \ --graphics=none \ --name k3os \ kernel=https://github.com/rancher/k3os/releases/download/v0.21.5-k3s2r1/k3os-vmlinuz-amd64,initrd=https://github.com/rancher/k3os/releases/download/v0.21.5-k3s2r1/k3os-initrd-amd64,kernel_args='k3os.fallback_mode=install k3os.install.iso_url=https://github.com/rancher/k3os/releases/download/v0.21.5-k3s2r1/k3os-amd64.iso k3os.install.silent=true k3os.install.tty=ttyS0 console=ttyS0 k3os.install.device=/dev/vda k3os.password=hunter2'
  • Any good howto set up your own full cluster?
    7 projects | /r/kubernetes | 13 Aug 2022
    I'm personally fond of https://k3os.io for my small to medium hobby and professional clusters. It comes with a lot the bells and whistles, but is also pretty minimum and just scales easily.
  • What is going on with Kubernetes Microdistros?
    5 projects | /r/kubernetes | 26 Jun 2022
    I really liked K3OS, but I feel like Rancher is no longer supporting it. The last commit on the k3os repo is from April, and before those three commits, November of last year. When Rancher decided to move their HCI offering, Harvester, over to RancherOS V2 being based on cOS toolkit/OpenSuse, I don't have high hopes that K3OS will be maintained.
  • Which k8s are you using?
    3 projects | /r/selfhosted | 3 Apr 2022
  • A note from our sponsor - SaaSHub
    www.saashub.com | 21 Mar 2025
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Stats

Basic k3os repo stats
26
3,489
0.0
over 1 year ago

rancher/k3os is an open source project licensed under Apache License 2.0 which is an OSI approved license.

The primary programming language of k3os is Go.


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