K3s vs k8s reddit github. I will say this version of k8s works smoothly.

K3s vs k8s reddit github Pi k8s! This is my pi4-8gb powered hosted platform. Everyone’s after k8s because “thats where the money is” but truly a lot of devs are more into moneymaking than engineering. K3s does everything k8s does but strips out some 3rd party storage drivers which I’d never use anyway. Most apps you can find docker containers for, so I easily run Emby, radarr, sonarr, sabnzbd, etc. I could run the k8s binary but i'm planning on using ARM SBC's with 4GB RAM (and you can't really go higher than that) so the extra overhead is quite meaningful For example: if you just gave your dev teams VM’s, they’d install k8s the way they see fit, for any version they like, with any configuration they can, possibly leaving most ports open and accessible, and maybe even use k8s services of type NodePort. From reading online kind seems less poplar than k3s/minikube/microk8s though. quad core vs dual core Better performance in general DDR4 vs DDR3 RAM with the 6500T supporting higher amounts if needed The included SSD as m. Would external SSD drive fit well in this scenario? Hi, while this is really awesome of you, there are literally dozens of projects that already deploy k3s and even k8s. RPi4 Cluster // K3S (or K8S) vs Docker Swarm? Raiding a few other projects I no longer use and I have about 5x RPi4s and Im thinking of (finally) putting together a cluster. The same cannot be said for Nomad. That one is better if ur running a high-availability setup. Using upstream K8s has some benefits here as well. Not just what we took out of k8s to make k3s lightweight, but any differences in how you may interact with k3s on a daily basis as compared to k8s. I would struggle to tell u how we did it. ***> wrote: We don't technically support k3s with firewalld enabled. I don't get it, if k3s is just a stripped down version of k8s, what's different about its memory management so that having swap enabled isn't an issue? with CAPA, you need to pass a k8s version string like 1. K3s consolidates all metrics (apiserver, kubelet, kube-proxy, kube-scheduler, kube-controller) at each metrics endpoint, unlike the separate metric for the embedded etcd database on port 2831 Oct 24, 2019 · Some people have asked for brief info on the differences between k3s and k8s. I use gitlab runners with helmfile to manage my applications. If you need a bare metal prod deployment - go with Rancher k8s. Lightweight git server: Gitea. K8s is a lot more powerful with an amazing ecosystem. I would opt for a k8s native ingress and Traefik looks good. I actually have a specific use case in mind which is to give a container access to a host’s character device, without making it a privileged container. R. Some people talk about k8s as a silver bullet for everything plus the microservices are both the new way to go on every project. Kubernetes makes extensive use of iptables rules and does not expect other products to be managing rulesets alongside it. But maybe I was using it wrong. Therefore, the issue has to be in the only difference between those deployments: k3s vs k8s Some co-workers recommended colima --kubernetes, which I think uses k3s internally; but it seems incompatible with the Apache Solr Operator (the failure mode is that the zookeeper nodes never reach a quorum). I run quite a bit out of my homelab out of K8s. Rancher is more built for managing clusters at scale, IE connecting your cluster to an auth source like AD, LDAP, GitHub, Okta, etc. Cloudflare will utilize your GitHub OAuth token to authorize user access to your applications. It seems the information is out-of-date as MicroK8s is available for Mac OS (and Windows). I have been running k8s in production for 7 years. 04 or 20. Imho if it is not crazy high load website you will usually not need any slaves if you run it on k8s. 2 with a 2. Alternatively you could get rid of proxmox and go with rancher harvester or any other k8s with kubevirt, but I suppose you don’t want to buy in 100% just yet. I use it for Rook-Ceph at the moment. The only difference is k3s is a single-binary distribution. [AWS] EKS vs Self managed HA k3s running on 1x2 ec2 machines, for medium production workload Wer'e trying to move our workload from processes running in AWS pambda + EC2s to kubernetes. and using manual or Ansible for setting up. But that is a side topic. There are few differences but we would like to at a high level explain anything of relevance. For running containers, doing it on a single node under k8s, it's a ton of overhead for zero value gain. k3s vs microk8s vs k0s and thoughts about their future I need a replacement for Docker Swarm. You still need to know how K8S works at some levels to make efficient use of it. Node running the pod has a 13/13/13 on load with 4 procs. This breaks the automatic AMI image lookup logic and requires you fiddle with the imageLookupFormat or to add an explicit ami ID (which depends on a region). AMA welcome! Used to deploy the app using docker-compose, then switched to microk8s, now k3s is the way to go. I'd say it's better to first learn it before moving to k8s. But I cannot decide which distribution to use for this case: K3S and KubeEdge. K3S on the other hand is a standalone, production ready solution suited for both dev and prod workloads. I can't really decide which option to chose, full k8s, microk8s or k3s. K3s does some specific things different from vanilla k8s but you’d have to see if they apply to your use-case. Lens provides a nice GUI for accessing your k8s cluster. File cloud: Nextcloud. I have moderate experience with EKS (Last one being converting a multi ec2 docker compose deployment to a multi tenant EKS cluster) But for my app, EKS seems K3S is legit. Login to your GitHub account. A subreddit run by Chris Short, author of the once popular DevOps'ish weekly newsletter, Kubernetes… I started with home automations over 10 years ago, home-assistant and node-red, over time things have grown. Mikrok8s fails the MetalLB requirement. I'm not sure if it was k3s or Ceph, but even across versions I had different issues for different install routes - discovery going haywire, constant failures to detect drives, console 5xx errors, etc. IoT solutions can be way smaller than that, but if your IoT endpoint is a small Linux running ARM PC, k3s will work and it'll allow you things you'll have a hard time to do otherwise: update deployments, TLS shenanigans etc. I have found it works excellent for public and personal apps. So there's a good chance that K8S admin work is needed at some levels in many companies. Counter-intuitive for sure. Welcome to /r/SkyrimMods! We are Reddit's primary hub for all things modding, from troubleshooting for beginners to creation of mods by experts. My question is, can my main PC be running k8s, while my Pi runs K3s, or do they both need to run k3s (I'd not put k8s on the Pi for obvious reasons) This thread is archived New comments cannot be posted and votes cannot be cast This is one or at least start a prototype. My goals are to setup some Wordpress sites, vpn server, maybe some scripts, etc. That is not k3s vs microk8s comparison. Currently I am evaluating running docker vs k3s in edge setup. 📖 Overview This repository utilizes Flux2 to implement GitOps principals and define the state of my cluster using code. The k8s pond goes deep, especially when you get into CKAD and CKS. . If you have an Ubuntu 18. We ask that you please take a minute to read through the rules and check out the resources provided before creating a post, especially if you are new here. 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 see the that Google cloud credit should cover 100% of costs of GKE cluster management fee that is single zone or autopilot cluster. Rancher can manage a k8s cluster (and can be deployed as containers inside a k8s cluster) that can be deployed by RKE to the cluster it built out. I'm either going to continue with K3s in lxc, or rewrite to automate through vm, or push the K3s/K8s machines off my primary and into a net-boot configuration. I will say this version of k8s works smoothly. 4K subscribers in the devopsish community. However I'd probably use Rancher and K8s for on-prem production workloads. The truth of the matter is you can hire people who know k8s, there are abundant k8s resources, third-party tools for k8s, etc. Tooling and automation of building clusters has come a long way but if you truly want to be good at it start from the ground up so you understand the core fundamental working components of a functional cluster. Each whitebox is just Ubuntu Server LTS running several VMs (Libvirt/KVM/QEMU). rke2 is a production grade k8s. 10. The K8s VMs are running CoreOS (Flatcar Linux as a smaller test cluster). service, not sure how disruptive that will be to any workloads already deployed, no doubt it will mean an outage. In both approaches, kubeconfig is configured automatically and you can execute commands directly inside the runner GitHub Action for interacting with kubectl (k8s,k3s) 2. For a homelab you can stick to docker swarm. Digital Rebar supports RPi clusters natively, along with K8s and K3s deployment to them. Or skip rancher, I think you can use the docker daemon with k3s, install k3s, cluster, and off you go. If you want, you can avoid it for years to come, because there are still Our CTO Andy Jeffries explains how k3s by Rancher Labs differs from regular Kubernetes (k8s). But it's so because it's different and has "new" concepts. This breaks the a k3s-vs-k8s. I couldn't find anything on the k3s website regarding swap, and as for upstream kubernetes, only v1. Cilium's "hubble" UI looked great for visibility. RKE2 with Fleet seems like a great option for GitOps/IaC-managed on-prem Kubernetes. If you really want to get the full blown k8s install experience, use kubadm, but I would automate it using ansible. Full k8s. Contribute to HANXU2018/K8s-k3s-on-Fedora development by creating an account on GitHub. As a note you can run ingress on swarm. If you prefer to use Nginx instead, you can spin up k3s without traefik and do so. This fix/workaround worked and still works on k8s, being used in production, right now as we speak. Why? Dunno. Mind sharing what the caveats are and what is difficult to work around? Thanks for sharing. It cannot and does not consume any less resources. Automated Kubernetes update management via System Upgrade Controller. But if you need a multi-node dev cluster I suggest Kind as it is faster. Dec 13, 2022 · with CAPA, you need to pass a k8s version string like 1. Sep 17, 2019 · In short, disable traefik with the --no-deploy-traefik k3s argument, and follow your preferred option to install ingress-nginx. Mar 27, 2023 · edited by @brandond Repurposing this as a tracking issue for riscv64 support. From there, really depends on what services you'll be running. It's possible to automate the ingress-nginx helm chart install with a HelmChart or k8s manifest as well, once in place k3s will install it for you. So, if you want a fault tolerant HA control plane, you want to configure k3s to use an external sql backend or…etcd. vs K3s vs minikube Lightweight Kubernetes distributions are becoming increasingly popular for local development, edge/IoT container management and self-contained application deployments. There are also a couple GitHub workflows included in this repository that will help automate some processes. I know could spend time learning manifests better, but id like to just have services up and running on the k3s. If you are looking to learn the k8s platform, a single node isn't going to help you learn much. Best OS Distro on a PI4 to run for K3S ? Can I cluster with just 2 PI's ? Best option persistence storage options - a - NFS back to NAS b- iSCSI back to NAS ?? I know some people are using the bitnami Sealed Secrets Operator, but I personally never really liked that setup. In fact Talos was better in some metric(s) I believe. I initially ran a fullblown k8s install, but have since moved to microk8s. The middle number 8 and 3 is pronounced in Chinese. I create the vms using terrafrom so I can take up a new cluster easily, deploy k3s with ansible on the new vms. I'd be using the computer to run a desktop environment too from time to time and might potentially try running a few OSes on a hypervisor with something like I have only tried swarm briefly before moving to k8s. I was looking for a preferably light weight distro like K3s with Cilium. I wonder if using Docker runtime with k3s will help? k3s based Kubernetes cluster. 04LTS on amd64. Managing k8s in the baremetal world is a lot of work. com Aug 14, 2023 · Take a look at the post here on GitHub: Expose kube-scheduler, kube-proxy and kube-controller metrics endpoints · Issue #3619 · k3s-io/k3s (github. How often have we debugged problems relate to k8s routing, etcd (a k8s component) corruption, k8s name resolution, etc where compose would either not have the problem or is much easier to debug. I have both K8S clusters and swarm clusters. AFAIK the interaction with the master API is the same, but i'm hardly an authority on this. I am more inclined towards k3s but wondering about it’s reliability, stability and performance in single node cluster. Having experimented with k8s for home usage for a long time now my favorite setup is to use proxmox on all hardware. I've noticed that my nzbget client doesn't get any more than 5-8MB/s. Before my words I have to tell I really like k3s and rancher to. If you switch k3s to etcd, the actual “lightweight”ness largely evaporates. Building clusters on your behalf using RKE1/2 or k3s or even hosted clusters like EKS, GKE, or AKS. That being said, I didn’t start with k8s, so I wouldn’t switch to it. If anyone has successfully set up a similar setup with success I'd appreciate sharing the details. Atlantis for Terraform gitops automations, Backstage for documentation, discord music bot, Minecraft server, self hosted GitHub runners, cloud flare tunnels, unifi controler, grafana observability stack and volsync backup solution as well as cloud native-pg for postgres database and Hey! Co-founder of Infisical here. I have a couple of dev clusters running this by-product of rancher/rke. If anything you could try rke2 as a replacement for k3s. maintain and role new versions, also helm and k8s I was hoping to make use of Github Actions to kick off a simple k3s deployment script that deploys my setup to google or amazon, and requires nothing more than setting up the account on either of those, and configuring some secrets/tokens and thats it. Production ready, easy to install, half the memory, all in a binary less than 100 MB. Reply reply A place to share, discuss, discover, assist with, gain assistance for, and critique self-hosted alternatives to our favorite web apps, web services, and online tools. Using GitOps principals and workflow to manage a lightweight k3s cluster. 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). It consumes the same amount of resources because, like it is said in the article, k3s is k8s packaged differently. 8 pi4s for kubeadm k8s cluster, and one for a not so 'nas' share. Google won't help you with your applications at all and their code. This has not been prioritized, and we don't have any build infra for riscv64, so at the moment this will be purely experimental. SMBs can get by with swarm. I'm in the same boat with Proxmox machines (different resources, however) and wanting to set up a kubernetes type deployment to learn and self host. Or check it out in the app stores &nbsp; For K3S it looks like I need to disable flannel in the k3s. md. The general idea is that you would be able to submit a service account token after which Infisical could verify that the service I am looking to practice deploying K8s for my demo project to show employers. You get a lot with k8s for multi node systems but there is a lot of baggage with single nodes--even if using minikube. 04 use microk8s. Since k3s is coming lots of out of the box features like load balancing, ingress etc. I have migrated from dockerswarm to k3s. It's similar to microk8s. Despite claims to the contrary, I found k3s and Microk8s to be more resource intensive than full k8s. Posted by u/devopsnooby - 7 votes and 9 comments Pi k8s! This is my pi4-8gb powered hosted platform. I chose k3s because it's legit upstream k8s, with some enterprise storage stuff removed. Even I would pray to the k3s gods to give us an out of the box answer here. k9s is a CLI/GUI with a lot of nice features. 💚Kubero 🔥🔥🔥🔥🔥 - A free and self-hosted Heroku PaaS alternative for Kubernetes that implements GitOps I have everything similar to OP right now and am wanting to migrate to k8s for educational purposes. rke2 is built with same supervisor logic as k3s but runs all control plane components as static pods. There do pop up some production k3s articles from time to time but I didn't encounter one myself yet. I moved my lab from running VMware to k8s and now using k3s. If you look for an immediate ARM k8s use k3s on a raspberry or alike. For my personal apps, I’ll use a GitHub private repo along with Google cloud build and private container repo. Or you can drop a rancher server in docker and then cluster your machines, run kubernetes with the docker daemon, and continue to use your current infrastructure. Turns out that node is also the master and k3s-server process is destroying the local cpu: I think I may try an A/B test with another rke cluster to see if it's any better. Have a nice day ! See full list on github. If you want to improve your project, I'd look at some of those. Dec 27, 2024 · K3s vs K8s. Maybe someone here has more insights / experience with k3s in production use cases. Contribute to cnrancher/autok3s development by creating an account on GitHub. There are 2 or 3 that I know of that use Ansible, so you might want to start there. k8s-mclist list all minecraft servers deployed to the cluster k8s-mcports details of the ports exposed by servers and rcon k8s-mcstart <server name> start the server (set replicas to 1) k8s-mcstop <server name> stop the server (set replicas to 0) k8s-mcexec <server name> execute bash in the server's container k8s-mclog <server name> [-p] [-f Kind on bare metal doesn't work with MetalLB, Kind on Multipass fails to start nodes, k3s multi-node setup failed on node networking. Do what you're comfortable with though because the usage influences the tooling - not the other way around Docker is a lot easier and quicker to understand if you don't really know the concepts. Scan this QR code to download the app now. com). not to mention the community size difference Also while k3s is small, it needs 512MB RAM and a Linux kernel. K3s 和 K8s 的主要区别在于： 轻量性：K3s 是 Kubernetes 的轻量版，专为资源受限的环境设计，而 K8s 是功能丰富、更加全面的容器编排工具。 适用场景：K3s 更适合边缘计算（Edge Computing）和物联网（IoT）应用，而 K8s 则更适用于大规模生产部署。 The thing is it's still not the best workflow to wait for building local images (even if I optimized my Dockerfile on occasion builds would take long) but for this you can use mirrord to run your code localy but connecting your service's IO to a pod inside of k8s that doesn't have to run locally but rather can be a shared environment so you don Hello, I'm setting up a small infra k3s as i have limited spec, one machine with 8gb ram and 4cpu, and another with 16gb ram and 8cpu. In public cloud, they will have their own flavors too. No real value in using k8s (k3s, rancher, etc) in a single node setup. The configuration for Renovate is located here. Those 5 seconds downtime don't really matter. That Solr Operator works fine on Azure AKS, Amazon EKS, podman-with-kind on this mac, podman-with-minikube on this mac. Hopefully a few fairly easy (but very stupid questions). 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 K8s management is not trivial. I started building K8s on bare metal on 1. 1st, k3d is not k3s, its a "wrapper" for k3s. I think it was fairly black magic and we will never update k3s for fear of breaking it. With K3s, installing Cilium could replace 4 of installed components (Proxy, network policies, flannel, load balancing) while offering observably/security. Since k3s is a fork of K8s, it will naturally take longer to get security fixes. While not a native resource like K8S, traefik runs in a container and I point DNS to the traefik container IP. If you're running it installed by your package manager, you're missing out on a typically simple upgrade process provided by the various k8s distributions themselves, because minikube, k3s, kind, or whatever, all provide commands to quickly and simply upgrade the cluster by pulling new container images for the control plane, rather than doing Openshift vs k8s What do you prefer and why? I'm currently working on private network (without connection to the Internet) and want to know what is the best orchestration framework in this case. I know k8s needs master and worker, so I'd need to setup more servers. I have 2 spare RP4 here that I would like to setup as a K3S cluster. GitHub integrates with Cloudflare to secure your environment using Zero Trust security methodologies for authentication. It can be achieved in docker via the —device flag, and afaik it is not supported in k8s or k3s. Hello guys, I want to ask you how is better to start learn k8s and if it s worth to deploy my own cluster and which method is the best ? I have a dell server 64gb ram, 8TB, 2x Intel OCTA Core Xeon E5-2667 v3, already running proxmox from 1 year, and I m looking for best method to learn and install k8s over proxmox, thank you!! k3s 和 k8s 的学习笔记. Plenty of 'HowTos' out there for getting the hardware together, racking etc. 21. 💚k8s-image-swapper 🔥🔥 - k8s-image-swapper is a mutating webhook for Kubernetes, downloading images into your own registry and pointing the images to that new location. The reason I prefer SOPS w/ AGE ov Mar 8, 2021 · I think Calico is a pre-requisite for that. K3S seems more straightforward and more similar to actual Kubernetes. I use K3S heavily in prod on my resource constricted clusters. e. K3s if i remember correctly is manky for edge devices. Does anyone know of any K8s distros where Cilium is the default CNI? It was a pain to enable each one that is excluded in k3s. I have two whitebox servers and the cluster is split across both. After setting up the Kubernetes cluster, the idea is to deploy in it the following. TLDR; Which one did you pick and why? How difficult is it to apply to an existing bare metal k3s cluster? Look into k3d, it makes setting up a registry trivial, and also helps manage multiple k3s clusters. The following article mentions that MicroK8s runs only on Linux with snap. I wouldn't plan to do this as step 1: there are tons of free image hosting, from the likes of GitHub and Docker, etc. A couple of downsides to note: you are limited to flannel cni (no network policy support), single master node by default (etcd setup is absent but can be made possible), traefik installed by default (personally I am old-fashioned and I prefer nginx), and finally upgrading it can be quite disruptive. This is a shitty thing to avoid every time you can. Running over a year and finally passed the CKA with most of my practice on this plus work clusters. Imho if you have a small website i don't see anything against using k3s. 5+k3s2. My main duty is software development not system administration, i was looking for a easy to learn and manage k8s distro, that isn't a hassle to deal with, well documented, supported and quickly deployed. That's the direction the industry has taken and with reason imo. Primarily for the learning aspect and wanting to eventually go on to k8s. Run K3s Everywhere. (no problem) As far as I know microk8s is standalone and only needs 1 node. Both k8s and CF have container autoscaling built in, so that's just a different way of doing it in my opinion. Tbh I don't see why one would want to use swarm instead. My take on docker swarm is that its only benefit over K8s is that its simpler for users, especially if users already have experience with only with docker. I also tried minikube and I think there was another I tried (can't remember) Ultimately, I was using this to study for the CKA exam, so I should be using the kubeadm install to k8s. AMA welcome! K8S has a lot more features and options and of course it depends on what you need. there’s a more lightweight solution out there: K3s It is not more lightweight. (Plus biggest win is 0 to CF or full repave of CF in 15 minutes on k8s instead of the hours it can take presently) Bootstrapping initial gitea / gitlab / whatever stuff from scratch to get your cluster back up and running will be PITA, and with "public" git hosting you can really save some time in case you will want to wipe your stuff completely. I’d recommend talos or k3s. I've been using Minikube since a couple of years on my laptop. An upside of rke2: the control plane is ran as static pods. Obviously you can port this easy to Gmail servers (I don’t use any Google services). Right - but using brew to install k3d implies you're running this on top of macOS?. If your goal is to learn about container orchestrators, I would recommend you start with K8S. K3s on openwrt Fo I am planning to build a k8s cluster for a home lab to learn more about k8s, and also run a ELK cluster and import some data (around 5TB). 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. In professional settings k8s is for more demanding workloads. My problem is it seems a lot of services i want to use like nginx manager are not in the helmcharts repo. I appreciate my comments might come across as overwhelmingly negative, that’s not my intention, I’m just curious what these extra services provide in a Dec 20, 2019 · k3s-io/k3s#294. If you don't need as much horsepower, you might consider a Raspberry Pi cluster with K8s/K3s. Jan 2, 2020 · Recently we started developing an edge computing solution and thought of a going ahead with a lightweight and highly customizable OS , for this purpose openwrt ticked major boxes. It's still fullblown k8s, but leaner and more effecient, good for small home installs (I've got 64 pods spread across 3 nodes) I spent weeks trying to getting Rook/Ceph up-and-running on my k3s cluster, and it was a failure. The Fleet CRDs allow you to declaratively define and manage your clusters directly via GitOps. My idea was to build a cluster using 3x raspberry PI 4 B (8GB seems the best option) and run K3s, but I dont know what would be the best idea for storage. it requires a team of people k8s is essentially SDD (software defined data center) you need to manage ingress (load balancing) firewalls the virtual network you need to repackage your docker containers in to helm or kustomize. I run bone-stock k3s (some people replace some default components) using Traefik for ingress and added cert-manager for Let's Encrypt certs. I get that k8s is complicated and overkill in many cases, but it is a de-facto standard. I am currently using Mozilla SOPS and AGE to encrypt my secrets and push them in git, in combination with some bash scripts to auto encrypt/decrypt my files. I haven't used it personally but have heard good things. Tools like Rancher make k8s much easier to set up and manage than it used to be. This is absolutely the best answer. hard disagree, k8s on bare metal has improved so much with distros (k3s, rke2, talos, etc) but Swarm still has major missing features - pod autoscaling, storage support (no CSI), native RBAC. Elastic containers, k8s on digital ocean etc. If you are looking to run Kubernetes on devices lighter in resources, have a look at the table below. This will enable your GitHub identity to use Single Sign On (SSO) for all of your applications. Use Vagrant & Virtualbox with Rancher 'k3s', to easily bring up K8S Master & worker nodes on your desktop - biggers/vagrant-kubernetes-by-k3s Feb 26, 2021 · Exactly, I am looking k3s deployment for edge device. We're actually about to release a native K8s authentication method sometime this week — this would solve the chicken and egg ("secret zero") problem that you've mentioned here using K8s service account tokens. Both seem suitable for edge computing, KubeEdge has slightly more features but the documentation is not straightforward and it doesn't have as many resources as K3S. Working with Kubernetes for such a long time, I'm just curious about how everyone pronounces the abbreviation k8s and k3s in different languages? In Chinese, k8s may be usually pronounced as /kei ba es/, k3s may be usually pronounced as /kei san es/. If you are going to deploy general web apps and databases at large scale then go with k8s. But that's just a gut feeling. This means they can be monitored and have their logs collected through normal k8s tools. Oh, and even though it's smaller and lighter, it still passes all the K8s conformance tests, so works 100% identical. Kubernetes at home with K3s. K3s is easy and if you utilize helm it masks a lot of the configuration because everything is just a template for abstracting manifest files (which can be a negative if you actually want to learn). Use kubespray which uses kubeadm and ansible underneath to deploy native k8s cluster. K3s uses less memory, and is a single process (you don't even need to install kubectl). If skills are not an important factor than go with what you enjoy more. If you have use of k8s knowledge in work or want to start using AWS etc, you should learn it. I was looking for a solution for storage and volumes and the most classic solution that came up was longhorn, I tried to install it and it works but I find myself rather limited in terms of resources, especially as longhorn requires several replicas to work I am in the process of learning K8S. Contribute to ctfang/learning-k8s-k3s development by creating an account on GitHub. Currently running fresh Ubuntu 22. My single piece of hardware runs Proxmox, and my k3s node is a VM running Debian. GitHub Gist: instantly share code, notes, and snippets. I will be purchasing a NAS / SAN and was planning on mounting NFS shares for the k8s pods to use. I've been running K8s in production since 2016-17 for work. K8S is the industry stand, and a lot more popular than Nomad. It uses DID (Docker in Docker), so doesn't require any other technology. If you want something more serious and closer to prod: Vagrant on VirtualBox + K3S. And in case of problems with your applications, you should know how to debug K8S. Second, Talos delivers K8s configured with security best practices out of the box. For k8s I expect hot reload without any downtime and as far as I can tell Nginx does not provide that. If these machines are for running k8s workloads only - would it not make more sense to try something like Asahi Linux, and install k3s natively on top of that? The NUC route is nice - but at over $200 a pop - that's well more than $2k large on that cluster. 28 added beta support for it. Now I’m working with k8s full time and studying for the CKA. K3s has a similar issue - the built-in etcd support is purely experimental. K3s & MetalLB vs Kube-VIP IP Address handling If one were to setup MetalLB on a HA K3s cluster in the “Layer 2 Configuration” documentation states that MetalLB will be able to have control over a range of IPs. There is also better cloud provider support for k8s containerized workloads. Though k8s can do vertical autoscaling of the container as well, which is another aspect on the roadmap in cf-for-k8s. By default (with little config/env options) K3s deploys with this awesome utility called Klipper and another decent util called Traefik. I use k3s as my petproject lab on Hetzner cloud Using terraform for provision network, firewall, servers and cloudflare records and ansible to provision etcd3 and k3s Master nodes: CPX11 x 3 for HA Working perfectly r/k3s: Lightweight Kubernetes. I love k3s for single node solutions, I use it in CI gor PR environments, for example, but I wouldn’t wanna run a whole HA cluster with it. Use Nomad if works for you, just realize the trade-offs. RKE can set up a fully functioning k8s cluster from just a ssh connection to a node(s) and a simple config file. Renovate is a very useful tool that when configured will start to create PRs in your GitHub repository when Docker images, Helm charts or anything else that can be tracked has a newer version. 2nd , k3s is certified k8s distro. So it shouldn't change anything related to the thing you want to test. How much K8s you need really depends on were you work: There are still many places that don't use K8s. May 19, 2020 · The difference now is, that we cannot avoid this mounting issue on k3s anymore, by setting the type check to any/empty. In particular, I need deployments without downtimes, being more reliable than Swarm, stuff like Traefik (which doesn't exist for Docker Swarm with all the features in a k8s context, also Caddy for Docker wouldn't work) and being kind of future-proof. However K8s offers features and extensibility that allow more complex system setups, which is often a necessity. I can fully recreate my current personal k8s cluster in less than 30 minutes, PVs included. 5, while with cluster-api-k3s you need to pass the full qualified version including the k3s revision, like v1. Eventually they both run k8s it’s just the packaging of how the distro is delivered. It auto-updates your cluster, comes with a set of easy to enable plugins such as dns, storage, ingress, metallb, etc. I made the mistake of going nuts deep into k8s and I ended up spending more time on mgmt than actual dev. Pools can be added, resized, and removed at any time. Single master k3s with many nodes, one vm per physical machine. Yes. 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. RAM: my testing on k3s (mini k8s for the 'edge') seems to need ~1G on a master to be truly comfortable (with some addon services like metallb, longhorn), though this was x86 so memory usage might vary somewhat slightly vs ARM. I run traefik as my reverse proxy / ingress on swarm. On the other hand, using k3s vs using kind is just that k3s executes with containerd (doesn't need docker) and kind with docker-in-docker. It also has a hardened mode which enables cis hardened profiles. Mar 3, 2025 · On Mon, Mar 3, 2025 at 2:31 PM Brad Davidson ***@***. The price point for the 12th gen i5 looks pretty good but I'm wondering if anyone knows how well it works for K8s , K3s, and if there's any problems with prioritizing the P and E cores. So if they had mysql with 2 slaves for DB they will recreate it in k8s without even thinking if they even need replicas/slaves at all. I have it running various other things as well, but CEPH turned out to be a real hog I use iCloud mail servers for Ubuntu related mail notifications, like HAProxy loadbalancer notifications and server unattended upgrades. Nginx is very capable, but it fits a bit awkwardly into k8s because it comes from a time when text configuration was adequate, the new normal is API driven config, at least ingresses. If you don't want to do that, maybe it's worth learning a little bit of traefik but I would learn more about K8s ingress and services regardless of what reverse-proxy program is managing it. But K8s is the "industry standard", so you will see it more and more. Wanna try a few k8s versions quickly, easy! Hosed your cluster and need to start over, easy! Want a blank slate to try something new, easy! Before kind I used k3s but it felt more permanent and like something I needed to tend and maintain. 5" drive caddy space available should I need more local storage (the drive would be ~$25 on it's own if I were to buy one) Rancher K3s Kubernetes distribution for building the small Kubernetes cluster with KVM virtual machines run by the Proxmox VE standalone node. I'm finding k8s way too complicated vs a simple 1-2 server solution where I can just git pull build and restart. Klipper's job is to interface with the OS' iptables tools (it's like a firewall) and Traefik's job is to be a proxy/glue b/w the outside and the inside. Contribute to sardaukar/k8s-at-home-with-k3s development by creating an account on GitHub. There is more options for cni with rke2. It is a fully fledged k8s without any compromises. I’m sure this has a valid use case, but I’m struggling to understand what it is in this context. What is the benefit of using k3s instead of k8s? Isn't k3s a stripped-down version for stuff like raspberry pis and low-power nodes, which can't run the full version? The k3s distribution of k8s has made some choices to slim it down but it is a fully fledged certified kubernetes distribution. 3rd, things stil may fail in production but its totally unrelated to the tools you are using for local dev, but rather how deployment pipelines and configuration injection differ from local dev pipeline to real cluster pipeline. k8s_gateway, this immediately sounds like you’re not setting up k8s services properly. Trust me, it can be a hell if you get stuck with your etcd for a couple of hours. ; Node pools for managing cluster resources efficiently. Swarm mode is nowhere dead and tbh is very powerful if you’re a solo dev. gocqib issvjr swns vvtf tbpg tkrf kcjnwi qgwjxz owmr czaezse shki lfdvt xsisrtb umnhzjt fnidpo