- Microk8s vs k3s raspberry pi reddit Use the Raspberry Pi Imager to image the SD cards Under Operating System, choose Use Custom So k3s is only a "binary size reduced version" of k8s and it played a nice trick with CNCF since its conformance test set is weak. start; The inspect command will give you the status of services: microk8s. Why do you say "k3s is not for production"? From the site: K3s is a highly available, certified Kubernetes distribution designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances I'd happily run it in production (there are also commercial managed k3s clusters out there). Jul 20, 2023 · With k3s, you can run Kubernetes on lightweight hardware, including environments like old laptops, virtual machines, or even Raspberry Pi. I would recommend either distribution in the home lab . 0 ports, and up to 4GB RAM. I arrived here thanks to a search for k8s/k3s vs docker clusters, so I can't speak for kubernetes specifically, yet. Instead put k3s in a container (e. You could spin up a HA k3s cluster alongside the existing single node microk8s "cluster" and use something like velero to migrate any PVs. 설치 환경. And it gives you more flexibility as what you want to configure. Reply mrflippant • Hard to speak of “full” distribution vs K3S. Homelab: k3s. I am connecting to a Synology NAS which looks like what you are doing as well. One of the big things that makes k3s lightweight is the choice to use SQLite instead of etcd as a backend. It's incredibly reliable with an SSD. They also have some interesting HA patterns because every node is in the control plane, which is cool but really only useful for particular use cases. K3s is a lightweight, easy-to-install Kubernetes distribution that can run production-grade clusters in fully-fledged and resource-constrained environments like Edge computing, IoT, and CI/CD. When I run kubectl describe node rpi3-64 I get false for memory pressure, disk pressure, and PID pressure, so that's all good. I know k8s needs master and worker, so I'd need to setup more servers. 5GB of resident memory. As I’m adding more services, I now need to add extra raspberries (at least one) which makes this simple hosting into an orchestration challenge. Embedded does not necessarily mean microcontrollers and IoT. Whilst MicroK8s installed, i was unable to run ANY MicroKs8s commands. Let’s take a look at Microk8s vs k3s and discover the main differences between these two options, focusing on various aspects like memory usage, high availability, and k3s and microk8s compatibility. k3s is another lightweight Kubernetes distribution by Rancher Labs. K3s achieves its lightweight goal by stripping a bunch of features out of the Kubernetes binaries (e. We would like to show you a description here but the site won’t allow us. rke2 is built with same supervisor logic as k3s but runs all control plane components as static pods. 10+ it is necessary to install extra kernel modules: sudo apt install linux-modules-extra-raspi Then restart MicroK8s: sudo microk8s stop; sudo microk8s start Installation. When I run kubectl get nodes, My master is Ready, and my pi is NotReady. I still use my RPis on K8s cluster, but only as backup nodes for certain things. It can operate on An intro to MicroK8s; K8s at the edge: easy as “Pi” Embedded Kubernetes for secure IoT Edge; MicroK8s on IBM Z — minimal footprint meets zero downtime; Self-healing Kubernetes at the edge: MicroK8s, Raspberry Pis and Portainer; Simplifying Kubernetes across the Clouds: MicroK8s on NVIDIA Tech Stack Based on personal experience, I have only worked with Cloud managed K8S clusters (AKS, EKS) for over an year. In this respect, K3s is a little more tedious to use than Minikube and MicroK8s, both of which provide a much simpler process for adding nodes. and was wondering whether I should start off with Kubernetes or Docker, because my goal is to make the two pis work together to handle the services I plan to run. Jun 18, 2020 · When the Raspberry Pi 4 was announced last summer, I was shocked at the specs. I used microk8s at first. Dec 24, 2024 · Setting up MicroK8s on the Raspberry Pi There are plenty of ways to deploy a Kubernetes server on your Raspberry Pi, but we’ll go with the easy-to-install MicroK8s. Virtual counting device – If you don’t have any hardware to act as your edge device, KubeEdge also provides this demo which provides a virtual device to generate We would like to show you a description here but the site won’t allow us. I have used k3s in hetzner dedicated servers and eks, eks is nice but the pricing is awful, for tight budgets for sure k3s is nice, keep also in mind that k3s is k8s with some services like trafik already installed with helm, for me also deploying stacks with helmfile and argocd is very easy to. Installs with one command, add nodes to your cluster with one command, high availability automatically enabled after you have at least 3 nodes, and dozens of built in add-ons to quickly install new services. It is easy to install and requires minimal configuration. Use k3s for Raspberry Pis. Those can see real benefits of Kubernetes if combined with other software - take a look at Kairos and their P2P mesh. k. That is not k3s vs microk8s comparison. Aug 26, 2021 · MicroK8s is great for offline development, prototyping, and testing. So went ahead and installed K3s without the service lb but kept traefik. I bought a Pi 4 8gb just a few weeks before the Pi 5 was announced. There is more options for cni with rke2. Once your RPi has finished AFAIK, the solutions that run the cluster inside docker containers (kind, k3s edit: k3d) are only ment for short lived ephemeral clusters, whereas at least k3s (I don't know microk8s that well) is explicitly built for small scale productions usage. 1 Premium Flash Drive; Note: This hardware setup is what I have available. It's just enough. For my dev usecase, i always go for k3s on my host machine since its just pure kubernetes without the cloud provider support (which you can add yourself in production). Members Online Raspberry Pi Zero 2 W We would like to show you a description here but the site won’t allow us. Dec 27, 2023 · 個人あるいはチームの検証環境用にKubernetesを構築する際に、便利な環境構築ツールがあります。 本ブログではMinikube、K3s、K0s、MicroK8sの4つを取り上げ、それぞれの特性を比較した結果や、実際に操作して感じた部分について説明します。 We use K3s "single node cluster" on our company as K3s is packaged as a single <50MB binary that reduces the dependencies and steps needed to install, run and auto-update a production Kubernetes cluster. So I wiped the server and started over, this time I began creating helm charts and was using K3s. It is marketed by Rancher as a lightweight Kubernetes offering suitable for edge environments, IoT devices, CI pipelines, and even ARM devices, like Raspberry Pi's. They have 4 GB of memory each. minikube： Microk8s 的优点： - 绑定挂载支持 => 可以挂载 In this episode, I discussed the merits of different Kubernetes distributions, and ultimately decided to run K3s on the 7-node Raspberry Pi Compute Module cluster (built with the Turing Pi, thanks to Turing Machines for letting me use their prototype board for this video!). snap info microk8s Discovering MicroK8s. To download and run the command, type: Jul 8, 2022 · MicroK8s installs on a Raspberry Pi 3, but performance renders it unusable. 04 + MicroK8s; Since Raspberry Pi OS is the official operating system, I decided to go with that and give K3s a try. Develop IoT apps for k8s and deploy them to MicroK8s on your Linux boxes. com --token mypassword k3d cluster create myk3dcluster MicroK8S It is lightweight K8S, developed by Canonical(a. Installation k3d requires. About 57 million people visit the site every day to chat about topics as varied as makeup, video games and pointers for power washing driveways. I enjoyed the process of over engineering things and so now I present to you UltimateHomeServer - UltimateHomeServer is a user-friendly package of open-source services that combine to create a powerful home server, capable of replacing many of Dec 5, 2019 · The former acts as a manager while the latter is responsible for handling the actual workload. Although minikube is a generally great choice for running Kubernetes locally, one major downside is that it can only run a single node in the local Kubernetes cluster-this makes it a little farther to a production May 21, 2020 · In our case, I'm sticking with K3s. Step 2: Discover the k3s Automated Update Controller. Dec 16, 2024 · 1 x Raspberry Pi Model 4 B with 4 GB RAM; 1 x Raspberry Pi Model 4 B with 2 GB RAM; 4 x Raspberry Pi Model 3 B+ with 1 GB of RAM; 1 x Netgear ProSafe 8 Port Gigabit unmanaged switch; 1 x Corsair Flash Voyager GTX 256GB USB 3. Having used both I prefer k3s. I wish to setup a 3 node kubernetes cluster. If you want even more control over certain components, that you don't get with k3s, use kubeadm. But you can have a small K8S cluster at one site. I run two k3s clusters at home myself(one x86 using ubuntu server proxmox vm's as production/stable cluster, and one with 5 raspberry pi 4b's w/ ssd's for dev stuff). I don't see the point of setting up swarm or k8s on these as the use case doesn't require it. (no problem) As far as I know microk8s is standalone and only needs 1 node. maintain and role new versions, also helm and k8s Both have a microk8s kubernetes node each (my 3rd node is on my ESXI Pi). Or if you have one extra whatever computer you can use one of the aforementioned stacks as they run (can run) on a single computer. I am trying to connect a phpmyadmin pod to a mysql pod but it seems that I have a problem with DNS. I use Lens to view/manage everything from Vanilla Kubernetes K8s to Microk8s to Kind Docker in Kubernetes. 1 (arm64) for IoT: microk8s k3s + HA embedded DB Home Assistant is open source home automation that puts local control and privacy first. by using rancher/k3s) which also allows you to easily run several independent instances. I started working on a new company recently and they use k8s for everything, so I think it's a good way to get familiar and learn. (edit: I've been a bonehead and misunderstood waht you said) From what I've heard, k3s is lighter than microk8s. It runs great on Raspberry Pis and installs really fast. By default, K3s uses dqlite for single-node setups and switches to etcd for high-availability setups. 5GHz processor, Gigabit ethernet, USB 3. But I finally just dove in installing microk8s on some Pi’s and Rock64’s and once I got my first pods up and running realized its just another layer on top of containers to manage them. But that’s not HA or fault tolerant. Apr 20, 2024 · K3s provides an advanced section containing instructions for customizing your cluster in specific scenarios. To save time, use a high-quality power adapter for the Raspberry Pi that meets or exceeds the power requirements and a Class 10 SD card . Hi I recently bought a server rack mount for 4 Raspberry Pi 4B as I want to try out and learn kubernetes. So, let’s try the docker version of k3s, k3d. Installation is then via the snap as usual: i want to build a high availability cluster of atleast 3 masters & 3 nodes using either k0s, k3s, k8s. It packs a 1. Definitely not as master nodes. While I was at it, I figured this was a good time to try out Kubernetes, and use KubeSail Home Assistant is open source home automation that puts local control and privacy first. I also vaguely recall having to install some iSCSI libs from apt on the host. Although it comes with both When the Raspberry Pi 4 was announced last summer, I was shocked at the specs. Jul 24, 2023 · A significant advantage of k3s vs. Talos Linux While K3s and Talos Linux both come from the open-source family, they have different focuses and use cases. RESOLVED below, original issue: Hello all, I'm usually on r/homelab , but someone recommended me to your group. At the beginning of this year, I liked Ubuntu's microk8s a lot, it was easy to setup and worked flawlessly with everything (such as traefik); I liked also k3s UX and concepts but I remember that at the end I couldn't get anything to work properly with k3s. It's either armhf for Raspi 3 and earlier, or arm64 for Raspi 4. Step 1: Discover k3s. Don't need to be HA or anything like that, but not sure if this would work. The kubernetes cluster is running pods with various services like Pihole and some personal projects. The thing with K3s is that they have a specific purpose: running on low-resource environments. I contacted Canonical to ask their advice about the above, and was told that by default, MicroK8s installs the Calico network driver and uses dqlite rather then etcd, which is not needed for single-node deployments. I have a Pi cluster using Flux2 and a gitops repo for all of my helmrelease files. It is optimized to run on ARM64 and ARMv7 based platforms as well as Raspberry Pi. No matter if you don’t know a lot about Raspberry Pi’s or you're just starting to learn about Kubernetes, you’ll still be able to complete this project! Raspberry pi doesn't use the amd64 architecture. i run the bulk of my home lab in containers on a 6 node pi cluster. I'd stay clear of microk8s, it has some weird quirks. The ARM processor on the Raspberry Pi can switch between 32-bit and 64-bit mode, which allows 32-bit userspace to run on a 64-bit kernel. There is also a cluster that I can not make any changes to, except for maintaining and it is nice because I don’t necessarily have to install anything on the cluster to have some level of visibility. I see threads here about K3s and MicroK8s… can I have any advice on what K8s solution to use considering the previous info? (Basically heterogeneous hardware [I’d like Raspberry pi k3s cluster to speed up home "server"? I am currently running a Pi 4B connected to a HDD enclosure. The only reason I'm getting away with this little compute power and memory is that my workers are three beefy x86 laptops. Digital ocean gives you $100 free. 機能. I was thinking to have a SSD only for the OS and run K3s agent, and have only 1 Raspberry PI with a external SSD mounted (additional to the SD for the OS). k0s vs k3s vs microk8s – Detailed Comparison Table Jan 23, 2024 · Two distributions that stand out are Microk8s and k3s. It is much much smaller and more efficient, and in general appears to be more stable. Single master, multiple worker setup was fine though. It doesnt need docker like kind or k3d and it doesnt add magic like minikube/microk8s to facilitate ease of provisioning a cluster. Sep 1, 2023 · After pulling the plug on MicroK8s, I explored other distributions-k3s and RKE2, to be precise. Aug 14, 2023 · For me, when comparing Microk8s vs k3s, they are both awesome distributions. 关于k3s，更准确的说法是它使用的是containerd，而不是内置了Docker。从MicroK8s的行为来看，它看起来是在运行Docker。 我计划进一步调查了解使用两种嵌入式Docker命令可以做些什么（例如构建等）。 4. The target would be 200MB or lower. I've been running a k3s cluster at home for over two years now and there's very little maintanence of the control plane required (though my control plane runs on a single raspberry pi 4 using the k3s etcd shim, so the database is stored locally in sqlite). Did you ever try kubeadm on the raspberry pi? I used microk8s for like a month and then switched to kubeadm on my workstation. In this article, you’ll take a more in-depth look at these six tools, and by the end, you should have an easier time picking out the one that works best for you. In recent years, Reddit’s array of chats also have been a free teaching aid for companies like Google, OpenAI and Microsoft. May 19, 2021 · During benchmarking I had issues with helm v3 packaged with microk8s because it was an early release which had a bug. g. I run bone-stock k3s (some people replace some default components) using Traefik for ingress and added cert-manager for Let's Encrypt certs. Sep 12, 2023 · Run Kubernetes on ARM architecture – Devices that use ARM architecture, such as mobile phones, can run Kubernetes with K3s. Unveiling the Kubernetes Distros Side by Side: K0s, K3s, microk8s, and Minikube ⚔️ I took this self-imposed challenge to compare the installation process of these distros, and I'm excited to share the results with you. 总结. Reply reply It supports Raspberry Pi 4s and other Jun 30, 2023 · sudo k3s server & k3s agent --server https://k3s. sudo snap install microk8s --classic --channel=1. These Pi's are really not powerful enough to run the Control Plane components, so I've ended up setting them up as worker nodes and running a single master node on a VM on my Mac. 1. Microk8s seems stuck in the Ubuntu eco system, which is a downside to me. If you want to learn normal day-to-day operations, and more "using the cluster" instead of "managing/fixing the cluster", stick with your k3s install. Professionally I've used, k9scli, lensapp, kubernetes dashboard, flux and argo for CD. The big difference is that K3S made the choices for you and put it in a single binary. So let's go the K3s website and work on getting it set up. 3 Raspberry Pi's, or 3 "proper" servers which themselves connect to 100 data collectors (which use MQTT since it's simpler to implement and a ESP8266 can do that). What is Microk8s? Agreed, when testing microk8s and k3s, microk8s had the least amount of issues and have been running like a dream for the last month! PS, for a workstation, not edge device, and on Fedora 31 Reply reply May 13, 2022 · 附上一張照片, 當初就是在youtube上, 看到人家買了這樣的樹莓派大樓來部署k3s, 心癢難耐之下, 筆者也依樣畫葫蘆地搞一下microk8s, k3s 跟 microk8s 各有所長, 筆者會繼續研究如何可以讓microk8s在樹莓派上更有發揮, 期待筆者能有更多的microk8s文章！ 參考資料 Hey there! I’ve been using one raspberry pi for a while with a docker-compose setup and it was a great experience: everything is stored in a git repo and easy to set up. legacy, alpha, and cloud-provider-specific features), replacing docker with And finally, it's how I learned to build Kubernetes from source, since K8s no longer supports arm6, so I had to manually build kubeadm, kubelet, the pause container, and the kube-proxy container. Hello Neil, thank you for reaching out. I use k3sup to set up K3s with its embedded etcd mode (3x "servers") and the rest are workers. Raspberry pi’s are pretty easy and cheap to setup. Hi, I've been using single node K3S setup in production (very small web apps) for a while now, and all working great. Microk8s vs k3s: What is the difference? Microk8s is a low-ops production Kubernetes. It seems to be lightweight than docker. Using virtual environments such as VMWare or VirtualBox, k3s also allows you to run a simple, secure, and well-optimized Kubernetes environment in your local development machine. This means it can take only a few seconds to get a fully working Kubernetes cluster up and running after starting off with a few barebones VPS running Ubuntu by means of apt install microk8s . Can't yet compare microk8 to k3s but can attest that microk8s gave me some headaches in multi-node high-availability setting. Was put off microk8s since the site insists on snap for installation. 0-192. Aug 17, 2023 · After pulling the plug on MicroK8s, I explored other distributions—k3s and RKE2, to be precise. It does give you easy management with options you can just enable for dns and rbac for example but even though istio and knative are pre-packed, enabling them simply wouldn’t work and took me some serious finicking to get done. Using whatever computer and components available, such as the raspberry pi or Banana Pi, create a magic mirror to thrill your friends and family. k3s binary contains all the necessary cluster components so the cluster setup is very quick (the quickest of the 5 distributions). After getting my hands on one, I had to see if I could replace my old NUC home server with this significantly cheaper and more efficient computer. While I have gotten K8s running on a pi, they are very underpowered. Another option I'd consider is k3s, because it has the same workflow as Kubernetes itself while abstracting all the components that we would manage for our customers. Perfect to run on a Raspberry Pi or a local server. Oct 29, 2022 · It works really well on small devices like the Raspberry Pi, all the way up to larger servers like the AWS a1. Download the latest 64-bit version of Raspberry Pi OS. Hello everybody, I ended up getting two Raspberry Pi 4 4GB for Christmas and wanted to turn them into a homelab for things like WordPress, PiHole, etc. Full k8s. I use portainer as the manager because its easy right? Anyway, I can deploy an like gitea via the LB. Then switched to kubeadm. 1. MicroK8s. 2 Ghz, 1 GB RAM 4 Ubuntu VMs running on KVM, 2 vCPUs, 4 GB RAM, Incredible how many people are trying to dissuade you from choosing a Pi. Nov 22, 2024 · Hi, I will shortly start a project concept based on a hybrid system using Jetson Orin and Raspberry Pi’s. K3s: The Good and The Bad. We'll start from scratch, covering everything from setting up the hardware to fine-tuning the cluster configuration. I know you mentioned k3s but I definitely recommend Ubuntu + microk8s. My goals are to setup some Wordpress sites, vpn server, maybe some scripts, etc. K3s' design has nothing help with edge or RPi scenarios as its advertisement and there's no any outstanding effort regarding to resource footprint optimization. if you go that route, my first suggestion is use the beta 64-bit raspberry pi os image. Oct 3, 2021 · raspberrypi4 (4GB, Model B) 에 microk8s 를 설치한다. Edit: some were asking hardware specs: I’m running 3 raspberry Pi 4-8gb and 3 raspberry Pi 3b as worker nodes. kubeadm: kubeadm is a tool provided by Kubernetes that can be used to create a cluster on a single Raspberry Pi. May 7, 2021 · Raspberry Pi OS 64-bit + K3s; Ubuntu 20. legacy, alpha, and cloud-provider-specific features), replacing docker with As to deploying e. It is also the best production grade Kubernetes for appliances. All the pi’s are connected to Samsung 500gb SSD, no micro sd cards and all plugged into gigabit Ethernet Yes, it is 8 Raspberry Pi's. Image SD Cards. Would probably still use minikube for single node work though. Main benefits of microk8s would be integration with Ubuntu. どういう機能があるかについてもリストアップしてみます。 ※注：このリストは最初に述べたとおり、そもそもk3sとMicroK8sの用途が違うものをリストアップしているので なのが良くないということではなく、それぞれに向き不向きがあり、どの分野に適しているかということを示して I use a cluster of three raspberry pi 4 equivalents. microk8s is too buggy for me and I would not recommend it for high-availability. I'm also running Ubuntu Desktop on one of them, some LXC containers, a docker server and a few other bits and pieces for software development. Please…. Plus, k3s is a certified Kubernetes distribution, so you’ll still be working with a version of Kubernetes that adheres to standards set by the Cloud Native Computing Foundation. Now I have a 12 node cluster consisting of Pi Zeroes, Pi 2's , a Pi 3, several Pi 4's, and various singleboard x86_64 computers. Kernel modules. Aug 22, 2022 · K3s. Available for free at home-assistant. Sep 16, 2024 · K3s is particularly beneficial for edge computing, IoT applications, and scenarios where a complete Kubernetes installation is not feasible due to hardware limitations. Run Kubernetes on Raspberry Pi – It’s so lightweight that it supports clusters made with Raspberry Pi. Sep 13, 2021 · In the case of kind, k3d, and Minikube, you can go for one Linux VM (for a basic cluster), while in the case of k0s, Microk8s, and k3s, you will need to create I can't comment on k0s or k3s, but microk8s ships out of the box with Ubuntu, uses containerd instead of Docker, and ships with an ingress add-on. Use it on a VM as a small, cheap, reliable k8s for CI/CD. other Kubernetes distributions is its broad compatibility with various container runtimes and Docker images, significantly reducing the complexity associated with managing containers. Some names I’ve heard being mentioned around are Minikube, microk8s and k0s. Don't. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. I can't really decide which option to chose, full k8s, microk8s or k3s. Aug 18, 2022 · Face detection – This example shows how to deploy a service that uses OpenCV running on a Raspberry Pi with a camera module to detect faces and send that data back to the cloud. 04. With a binary size of less than 100 MB, K3s is designed to run on low-power devices, such as Raspberry Pi, and can be deployed quickly and easily. 我已经完全明白k3s和MicroK8s是两个完全不同的概念。 These are net-booted and are running K3s in HA mode. Installing k3s. I discourage you from running them on your workstation as this leads to some clutter in your local filesystem. I use it for Rook-Ceph at the moment. Installed metallb and configured it with 192. It's a great device, moved the majority of my containers to it. Home Assistant is open source home automation that puts local control and privacy first. Eventually they both run k8s it’s just the packaging of how the distro is delivered. In a way, K3S bundles way more things than a standard vanilla kubeadm install, such as ingress and CNI. If you already have something running you may not benefit too much from a switch. k3s. Prod: managed cloud kubernetes preferable but where that is unsuitable either k3s or terraform+kubeadm. pidramble. So I took the recommendation from when I last posted about microk8s and switched to K3s. In most of these cases, you can find similarities that make K3s look like a production-grade Kubernetes cluster. For Ubuntu 21. I still believe docker(-compose) is easier to get started and lighter on resources. KubeEdge, k3s K8s, k3s, FLEDGE K8s, MicroK8s, k3s K8s, MicroK8s, k3s K8s, MicroK8s, k3s K8s (KubeSpray), MicroK8s, k3s Test Environment 2 Raspberry Pi 3+ Model B, Quad Core 1,2 Ghz, 1 GB RAM, 32 GB MicroSD AMD Opteron 2212, 2Ghz, 4 GB RAM + 1 Raspberry Pi 2, Quad Core, 1. Taking mod applications. It is marketed by Rancher as a lightweight Kubernetes offering suitable for edge environments, IoT devices, CI pipelines, and even ARM devices, like Raspberry Pi's. I'm currently also looking at longhorn, can't give an opinion yet. Microk8s also has serious downsides. K3s is exclusively built to run K3s with multiple clusters with Docker containers, making it a scalable and improved version of K3s. Counter-intuitive for sure. 168. I ultimately ended up going with Ubuntu for IoT + Docker + Kubernetes for my Raspberry Pi cluster rather than using either microk8s or k3s since both distributions ended up with challenges. Installing k3s is simple and is a single binary you download and run. That really is just applying some extra manifest, which you would already need. For a detailed step-by-step guide, check out my article on creating a local multi-node K8s cluster with MicroK8s and Multipass: Creating a Local Multi-Node K8s Cluster with MicroK8s May 4, 2022 · sudo k3s server & If you want to add nodes to your cluster, however, you have to set K3s up on them separately and join them to your cluster. If you want a bit more control, you can disable some k3s components and bring your own. K3s has builtin support for an etcd dataplane that you don't have to manage yourself. Hi all, first post in this community! Spent the last weekend trying to setup an HA Kubernetes cluster on three of my Pi Zero 2 Ws. Supports low-resource environments – For example, IoT devices and edge computing. Mine has been running non-stop for 3 months. Some people might go and run some random shell script off the Internet to install K3s. 4xlarge 32GiB server. Ubuntu) I was trying to decide between MicroK8s and K3s, but I think I have landed on using K3s. Is a cluster like this useful for anything in real life? Why even do it? If you'd like to know, then checkout my recording from KubeCon: The Past, Present, and Future of Kubernetes on Raspberry Pi So far I’ve tried k3s with the cloud provider disabled, but it still used around 0. 04LTS on amd64. 26 What are the differences between K3s and MicroK8s? There are several important differences between K3s and MicroK8s, including the following: System compatibility. K3s seemed like a good fit at first, but my efforts to set it up in high-availability mode were not successful. I think Microk8s is a tad easier to get started with as Canonical has made it super easy to get up and running using the snap installation method and enabling and disabling components in your Kubernetes cluster. example. For on-prem, it really depends which distro you’re most comfortable with between the recommended distros of the Kubernetes documentation. 6K subscribers in the picluster community. Yes, it is possible to cluster the raspberry py, I remember one demo in which one guy at rancher labs create a hybrid cluster using k3s nodes running on Linux VMs and physical raspberry py. I have a cluster of two raspberry pi, they are wortking with microk8s, one is master and the other is worker. K3s: K3s is a lightweight Kubernetes distribution that is specifically designed to run on resource-constrained devices like the Raspberry Pi. Having sad that, we do have customers that use minikube. While you can use a full blown etcd cluster Dqlite is much smaller which fits better into small edge-machines. It works great from something as small as a Raspberry Pi to an AWS a1. What the blog post is pointing out is that bog standard upstream Kubernoodles fits on a Pi too. traefik from k3s, or deploying it yourself: I suggest you consider doing it yourself. It also has a hardened mode which enables cis hardened profiles. stop I chose k3s because it's legit upstream k8s, with some enterprise storage stuff removed. I would be having a very bad time with anything less. I have it running various other things as well, but CEPH turned out to be a real hog Jun 20, 2023 · Similarly, you can install MicroK8s on Ubuntu-based computers with the following command. Also, microk8s is only distributed as a snap, so that's a point of consideration if you're against snaps. May 5, 2021 · General Information k3s — Lightweight Kubernetes. 3. I do use Portainer to manage a bunch (3-6) of Raspberry Pi 4s as stand alone docker hosts in my home. A community to discuss anything related to Raspberry Pi Cluster builds. Now I want to host some small private projects (like node server and db) and was looking for a simple managing software. Currently running fresh Ubuntu 22. K3s is especially made with less of the features that K8s has, that you wouldn't use anyway running a bare-metal setup. The Pi Dramble is 4 node and all-in costs between $300-450 (depending on what kind of parts you choose, and whether you use PoE to power it): https://www. inspect; The stop command will stop all Kubernetes services: microk8s. Right, but a lot of folks will argue that you need to run something like k3s in order to “fit” Kubernetes onto a device like the Pi because of resource constraints. (A big win for anyone who wants to use an ExFAT formatted external drive with Raspberry Pi!) A few months back, Raspberry Pi engineers released a 64-bit kernel for beta testing. I am using CHAP, and have the volume defined as a Kubernetes PVC. I'm now looking at a fairly bigger setup that will start with a single node (bare metal) and slowly grow to other nodes (all bare metal), and was wondering if anyone had experiences with K3S/MicroK8s they could share. I installed k3s on everything and deployed a test application which worked. But we're a little more advanced than that. These are the services manifests: I decided to switch my compose setup to k3s on my pi server. Why? Dunno. Before going further here is a quick intro to the MicroK8s command line: The start command will start all enabled Kubernetes services: microk8s. Multi node microk8s uses dqlite by default unless you want to run your own etcd cluster (you don't). Yeah they build it for arm64 but it's not really set up for low disk or memory footprint; it's a datacenter optimized distro. the biggest challenge has been that a lot of official docker images aren’t built with arm, but that’s ok because rebuilding them or making my own images has helped me learn even more. Installing K3s on the Turing Pi. k3s is developed by Rancher Labs, as Rancher says it is good for small devices such as IoT. Here are my questions: What kubernetes should I use? Apparently k3s does not work on a Raspberry Pi 3 How should I go about storage? Should I put the containers on the microSD card or should I run a NFS server on the master? I will be using ethernet. Get the Reddit app Scan this QR code to download the app now So for now its Microk8s on Ubuntu for the lab. Am I disappointed, NO. To address disk performance issues often present on Raspberry Pi see the troubleshooting section. I need to install a Kubernetes cluster on both (GPU is not initially required but is nice to have from the start). This is working for me using a two node microk8s cluster of an Intel NUC and a Raspberry Pi both running Ubuntu 20. So, if you want a fault tolerant HA control plane, you want to configure k3s to use an external sql backend or…etcd. This is just a home lab, but my only example of a raspberry pi Home Assistant is open source home automation that puts local control and privacy first. It also contains the YAML for the automated update controller and the CRDs for controlling the k3s version itself. I’ve had success with RHEL (CentOS 7 , CentOS 8) and also Raspberry Pi OS and Fedora CoreOS (both in VMs and on Raspberry Pis). io. Yes No, not really & 4. My single piece of hardware runs Proxmox, and my k3s node is a VM running Debian. Does MicroK8s or k3s or minikube run on the ARM Macs? Asking cause I don’t really know. K3s works on any Linux distribution, but For example, in a raspberry py, you wouldn't run k3s on top of docker, you simply run k3s directly. MicroK8s can run efficiently on your Proxmox setup using VMs or even on Raspberry Pi devices, providing a flexible and powerful environment to master Kubernetes. I have 3x Raspberry Pi 3's collecting dust. 10. Just for Pi clusters generally. If you switch k3s to etcd, the actual “lightweight”ness largely evaporates. k8s 설치를 위해 몇몇 사이트를 찾아봤고, k8s의 Agreed. Alternatively run it locally or play with making a raspberry pi cluster easily with something like k3s. It runs a openmediavault, wireguard VPN, pihole, and my self-made "home assistant" program (written mostly in python with a VueJS frontend that can control plug sockets and pi zero based security cameras in my house as well as some Posted by u/[Deleted Account] - 77 votes and 46 comments Jan 8, 2025 · Learn more about minikube here: https://microk8s. Despite claims to the contrary, I found k3s and Microk8s to be more resource intensive than full k8s. Powered by a worldwide community of tinkerers and DIY enthusiasts. Apr 13, 2024 · In this article, I will guide you through the process of creating your own Kubernetes cluster on Raspberry Pi 5 using K3s. raspberrypi4 (4GB, Model B) Ubuntu 20. which one to choose for a newbie webapp in nodejs, postgresql. Apr 6, 2023 · K3s vs. I think the point is that the binary size is 40MB and it works even on devices with few resources such as Raspberry Pi. Just the kernel, not userspace. Want to update to a newer k3s release? Gitops change. It just felt less cluttered and all addons worked when installed by hand. I've written a guide series where I detail how I turned a low-end consumer grade old PC into a little but rather capable homelab running a K3s Kubernetes cluster. I've joined a raspberry pi to my computer who is the Master. It has allowed me to focus on transforming the company where I work into Cloud Native without losing myself in the nitty-gritty of Kubernetes itself. 04 LTS; k8s 배포판. com — see the Wiki for comprehensive instructions. Raspberry Pi. I have a raspberry pi 4 (4gb) that I want to cluster w/ an old laptop (and eventually 2 other old laptops, I figured I would start w/ 1 then go from there). 255 ip range. Reddit has long been a hot spot for conversation on the internet. Jun 21, 2022 · There are many different options out there, but a few select reign over the others as the most common, including minikube, kind, K3s, kubeadm, Docker Desktop, and MicroK8s. k3s is a distribution from Rancher and is a CNCF project. An intro to MicroK8s; K8s at the edge: easy as “Pi” Embedded Kubernetes for secure IoT Edge; MicroK8s on IBM Z — minimal footprint meets zero downtime; Self-healing Kubernetes at the edge: MicroK8s, Raspberry Pis and Portainer; Simplifying Kubernetes across the Clouds: MicroK8s on NVIDIA Tech Stack May 31, 2021 · So far k3s is the only Kubernetes distribution that successfully installed on the Raspberry Pi. I evaluated three configurations for my 4-node Raspberry Pi 4b cluster using Ubuntu 19. There's tons of articles in here… Jul 25, 2021 · 它还可以在使用 ARM 或英特尔的独立系统中高效工作，如 Raspberry Pi。 和 minikube 不同的是，microK8s 可以在本地 Kubernetes 集群中运行多个节点。但 microK8s 的问题在于，它运行在 snap package 之下，它很难运行在不支持 snap 的 Linux 发行版之上。 minikube Apr 18, 2022 · 原来Kubernetes 不适用于网络连接较差的环境，这种环境在处理 Edge 和 IoT 场景时很常见，自 2019 年以来发生了巨大的变化，k3sup（k3s 安装程序）工具的创建者，对 Raspberry Pi 上的 K3s 也有相当多的经验。 microk8s vs. It is an optimized Kubernetes distribution that can run on ARM architecture, x86, and IoT devices to name a few. a. So does azure and I think almost any cloud provider has some sort of free initial budget. This makes it a very versatile tool that can be used in a Disclaimer : I'm "only" using docker + swarm right now. Some really capable devices can be run as embedded systems - e. io/. alr mjyozo tyzg wwfa zhxqtcdo tunh tqgeyu eiksv mqt qqgmqt vtmgrtu mjuw vizf nfmi rkorpq