Nixos vs kubernetes Jul 19, 2022 · Hello, This thread is to gather interest for Kubernetes on Nix. I tried the VS Code server, but had some problems getting it going on ARM Linux (my machine is an M1 Mac, and I'm running nixOS inside an arm64 VM). > But doing it on top of NixOS currently feels like a bad path to take. The PKI bootstrapping process involves setting up a certificate authority (CA) daemon (cfssl) on the kubernetes master node. 12. kubernetes. Jun 15, 2023 · nix search nixpkgs helm package kubernetes -e "plugin" * legacyPackages. Docker. The first part is really ugly (VS Code specific), please let me know how to solve it nicely. dev. Feb 20, 2021 · We can do this with Kubernetes right now, but at the cost of a system that tends towards being hard to debug when things go wrong, and things can go very wrong. nix. However docker does fill a different niche as you say, and I continue to use it after transitioning due to microservices projects, multi tenancy between various clients and closer emulation of staging and production environments (even though nixos ceiling Mar 31, 2023 · 4. Kubernetes benefits are plenty which make it a popular choice for container orchestration: Automatic Container Scheduling. The result is a local Kubernetes endpoint that you can use with the kubectl client. Edit: Here's a good article on a few diff popular immutable OSes, similar to fcos -> https://lwn. Why does this happen? Sep 15, 2022 · The reaction—120+ likes and 20+ retweets—was modest by broader Twitter standards but pretty strong for a rather vague tweet about Nix. NixOS uses a declarative configuration system (approach) that allows reproducibility and portability. NixOS's K3s documentation is available at: Sep 7, 2022 · I often hear that kubernetes is complex and that NixOS is simple. wiki I can't see running NixOS in production. There are definitely some outstanding issues that make NixOS non-viable for some RHEL-like use cases, and classifying or splitting the package collection according to criteria like packages being built from source or having various levels of maintainership would be useful for building an LTS distro on top of NixOS. Toy highly-available Kubernetes cluster on NixOS (by justinas) Compare nixos-raspberry-pi-cluster vs nixos-ha-kubernetes and see what are their differences. Firstly, remove your swap filesystem. It uses kexec to boot into a temporary ram based NixOS system. In practice Kubernetes administrator would have to make technical decisions based on their needs and hardware constraints. (Guess what — my USB keyboard doesn’t work on the boot menu, so I’m really stuck with using NixOS as just another Ansible for now. Now, I’m goi Welcome to /r/Linux! This is a community for sharing news about Linux, interesting developments and press. Don’t hesitate to go and read these projects if you need more We would like to show you a description here but the site won’t allow us. Through the use of Custom Resource Definitions (CRDs) and other Kubernetes features, KubeVirt seamlessly extends existing Kubernetes clusters to provide a set of virtualization APIs that can be used to manage virtual machines Jun 25, 2021 · Fair enough. Thinking k3s for starters just to see things in action on this older hardware. Currently there are no actively developed nix tools for managing cluster state and I think it would be good to either start a new tool or pickup one of the existing ones Sep 7, 2024 · For those not aware, Nix is an interesting new application (Nix) and operating System (NixOS) that provides a declarative environment definition and atomic operating system. Jul 24, 2024 · Ceph Persistent Storage for Kubernetes with Cephfs; Persistent Storage for Kubernetes with Ceph RBD; Install Production Kubernetes Cluster with Rancher RKE; Install Minikube Kubernetes on CentOS 8 / CentOS 7 with KVM; Deploy Kubernetes Cluster on CentOS 7 / CentOS 8 With Ansible and Calico CNI; Join new Kubernetes Worker Node to an Existing Cluster Aug 8, 2023 · Kubernetes vs. kubernetes-helm (3. In a way, this blog post has effectively taken four years to write. This "modules" block has a list of NixOS module filenames or literal expressions. If you're looking for tech support, /r/Linux4Noobs is a friendly community that can help you. Kubernetes is not intended to run with swap. However, I ran into two errors: kubectl-commands are executed painfully slow; about 10 seconds per Sep 26, 2022 · NixOS has a different approach to solving this problem, and many people (myself included) think it’s a much better way. Compare price, features, and reviews of the software side-by-side to make the best choice for your business. There is no shell, SSH, or console. You can use the same language to manage packages Nov 27, 2023 · cross-compiling NixOS packages for RPi from a more powerful machine, and what it looks like to actually roll back to a last-known good configuration with NixOS. 4) You can now run NixOS: Compare Kubernetes vs NixOS. e. Sep 2, 2020 · I posted this question already yesterday in the discord, but didn’t receive a response so far. In summary, CoreOS and NixOS differ in their approach to system management and target audiences. kubelet. They don’t need an OS because Nix captures all dependencies exactly. now, we have some integration there already, but more specifically, i’d been wondering if it could be useful there to skip This is nitpicking, but the similarity doesn't stop at dependency isolation - it is also deterministic provisioning which nixos does better. Jul 10, 2023 · I’m using Ubuntu (KDE Neon) as my daily driver right now, and looking at possibly switching to NixOS because I hate all the broken packages with apt and not having up to date packages, etc. What is Nix, nixpkgs and NixOS? Nix is a build system and package manager that allows to manage whole system configurations as code. Jun 9, 2021 · I have installed kubectl and kind (via home-managers home. In that Jul 27, 2018 · What is KubeVirt? KubeVirt is a Kubernetes addon that provides users the ability to schedule traditional virtual machine workloads side by side with container workloads. But with the following (and maybe more) painpoints resolved: Container images and registry is stateful and hard to maintain. The idea would be that services be build and pushed as containers, and then K8s deployments created for pods, as described in a Nix expression. roles master · Issue #59364 · NixOS/nixpkgs · GitHub) and every container node as well. Ansible and NixOS are both powerful tools in the realm of configuration management and infrastructure automation. Toy highly-available Kubernetes cluster on NixOS (by justinas) Oct 17, 2024 · Talos Linux is an immutable, secure, minimal distro for Kubernetes from Sidero Labs. What CUE seems to offer compared to a static data language like JSON: Modularity. You can always do this manually, but then why not just use NixOS modules or containers? To simplify this, I ended up developing a tool that automatically converts a Compose project into a NixOS config. But the rest is ok because luckily NixOS has reference to the system's main dependencies at /run/current-system. Sep 8, 2023 · NixOS. fromJSON (live-config stage). However docker does fill a different niche as you say, and I continue to use it after transitioning due to microservices projects, multi tenancy between various clients and closer emulation of staging and production environments (even though nixos ceiling Nov 19, 2023 · hi there, i’d had this idea and wanted to bounce it off of others to check if it holds water. roles = ["master" "node"]; This installs both the master and node components on the local system and therefore creates a nice little working local kubernetes "cluster". Double-click the file you just downloaded (requires WSL >= 2. I cannot enable the NixOS-managed firewall without the cluster becoming unreachable. pem with services. Jul 29, 2024 · I’m about a month in to having switched my home server to NixOS and I’d say I’m still damn impressed. However, the current Sep 15, 2023 · Here's what the file looks like. A plain NixOS system will have its main config file at /etc/nixos/configuration. But doing it on top of NixOS currently feels like a bad path to take. 76"; services. You develop your software, you test it exhaustively. A Terraform Module refers to a self-contained package of Sep 24, 2022 · I have come to the conclusion that I can manage two types of Terraform resources into NixOS: a) load out-of-band credentials/files using own nixos-anywhere extra-files mechanism (bootstrap stage). Jun 8, 2023 · PlatformCon 2023 is going on. Kubernetes can reschedule containers to different nodes if resource demands change to ensure balanced usage. Clusters allow Kubernetes to distribute work across multiple machines, increasing availability and scalability for applications. AWS Lambda is a proprietary serverless deployment infrastructure. yaml files / helm charts are painful. 178. 3 -> 1. So in this respect it avoids the most serious issue with AUR. 1) A package manager for kubernetes Dec 24, 2023 · "It worked on my machine!" Most of us who've worked in IT for any length of time have heard this complaint. Apr 22, 2018 · On NixOS is is easy to set up Kubernetes by a single line of config: services. In NixOS, you Oct 26, 2024 · nixos-anywhere is a tool for installing NixOS to a remote machine. Nov 30, 2024 · What I have: a nixOS server running k3s via flake What (I think) I want: declare helm charts within the flake point k3s to a Github repo that holds the cluster yaml’s and have it update on changes have sealed secrets in Github and have them turned to kubernetes secrets (ideally even manage the secrets inside services like databases) So far I’ve collected some links, Kubernetes on Nix Dec 3, 2022 · I’ve set up a couple of Kubernetes clusters with firewall interfaces like ufw, iptables, nftables, etc. May 25, 2024 · While I have successfully used k8s in the past, the gluttony that shines all over it does not make me the biggest fan. In this article, we will explore the key differences between Docker and NixOS. we’ve had some NixOps tools out there, but i was wondering if it could be useful to combine Nix with one of the more mature existing tools out there, Kubernetes. nixpkgs is a set of 20k+ packages built with Nix. NixOS enables declarative node management and HA k8s cluster building. I’ve been looking at Nix · direnv/direnv Wiki · GitHub and also working through the Nix Pills | Nix & NixOS so I’m slowly getting a foothold. However after a Feb 22, 2024 · In the meantime, I have switch to podman for the following reasons: it’s built to be rootless from the beginning; gpu access seem to work well (even in rootless mode) Oct 6, 2023 · To access the kubernetes dashboard, run kubectl proxy to access the Kubernetes dashboard. I know I’ve seen a few articles about building Docker images with Nix, but I Mar 20, 2025 · NixOS in Kubernetes ensures immutable container configurations. Minikube supports most typical Kubernetes features such as DNS, Dashboards, CNI, NodePorts, Config Maps, etc. Jul 5, 2022 · To run a GPU-accelerated application in our Kubernetes (K8s) compute cluster, we employ a sandwich of components. Project which compares 3 approaches to deploy apps on Kubernetes cluster (using kubectl, helm & helmfile) - wkrzywiec/k8s-helm-helmfile Kubernetes - Manage a cluster of Linux containers as a single system to accelerate Dev and simplify Ops. b) export terraform outputs as json and read it from nix using builtins. Specifically, it seems I need to create a default. This is in violation of the behavior described by kubernetes. Wildcard option: Nixos can fill this role. Ease of Use Jun 5, 2020 · Kubernetes on nixOS using k3s (Part 2) June 5th, 2020. Kubernetes is an open source orchestration system for Docker containers. Box uses Kubernetes to scale and manage its containerized services. In this article, we will explore and outline these differences. So far I am aware of a few others who are using either k8s or k3s on nix and I think it would be useful to create a centralized place to discuss issues and ideas. Aug 1, 2022 · Hi NixOs community, I have a short and sweet question around getting helm (the Kubernetes package manager) plugins to work. 1 desktop environment for its dedicated GNOME edition and continuing with Wayland support for the KDE Plasma 5. Virtualbox ) in your local development environment. The Ingress concept lets you map traffic to different backends based on rules you define via the Kubernetes API. All Nix files have the extension . 2M views. 11 on a Proxmox VM. The installation and management become declarative and reproducible, thanks to Nix and its unique capabilities. center/3919b3I used to code on Linux, but for the past 4 years I've been coding on WSL2. x86_64-linux. And lastly, container images, which run on the Kubernetes cluster. Sep 6, 2023 · Hello! This is Edgar and Robbie, and we’re excited to share with you the public release of nix-snapshotter! nix-snapshotter brings native understanding of Nix packages to containerd, the industry standard container runtime. masterAddress = "192. The container runtime — including extensions for GPU interoperability. And it casually defines it in a beautifully concise way: It’s useful to separate Kubernetes’ functionality into three distinct responsibilities: a distributed control loop framework, a container orchestrator Jun 16, 2020 · Docker vs NixOS: What are the differences? Introduction. Kubernetes is open source container orchestration. Is there a recommended distro? We think the "gitops" concept probably makes the most sense. 11 (“Tapir”). When is NixOS a superior (not equal - the kind of time investiture that NixOS requires above and beyond existing solutions requires NixOS to just be "better") choice to other, more mature solutions such as ansible-directed LXC deployments (or kubernetes in general, when working specifically with containerized services). Therefore I repost here with a slight reword: I just tried the “1 master + 1 node” approach from the Wiki, but without adding a second computer to the mix… { services. 23 edition, as well as version 6 of elementary OS’ Pantheon desktop. Every NixOS user basically has their own mini immutable distro. 6. It also has the limit that you have to containerise everything and isn’t really suited to managing local node setups (i. Nov 7, 2024 · Nodes are the worker machines in a Kubernetes cluster. Talos Linux is only for Kubernetes and makes some assumptions about what you want to do with the machine. The token file inside the configs folder contains the sign-in token for the kubernetes dashboard. 4. 15. packages), as well as enabled docker-virtualisation. Linux and macOS put Unix in the hands of almost every developer in the world by providing beautiful user interfaces, but Ken Thompson and Dennis Ritchie built Unix Oct 1, 2018 · I was thinking recently about the possibility of a NixOps style tool that would deploy into a Kubernetes cluster. If that's the only thing you do with it and you're not going to try using it as your development machine, it is very straightforward to work with since your config file will be small MacOS users may use a virtual machine with NixOS for this purpose. This part talks about running it as a service. distributedBuilds = true; to configuration. Security & Isolation Features. Being hardened and minimal, it’s a secure option for containers and small systems. Lack of proper dependency isolation/management. kube-linter (0. Uhh 80,000 packages vs about 30-40k? NixOS has more packages than AUR. net/Articles/922968/ Take a look at Kairos. I had kind installed before, since that’s what I knew before @azazel75 pointed me to k3d, which is supposed to be much more lightweight than kind. NixOS is a Linux distribution, whose set of packages can also be used on other Linux systems and macOS. Kubernetes discussion, news, support, and link sharing. Ubuntu users will publish code that they think has "no dependencies" when in fact it has a whole bunch of dependencies they've just never thought about. If you want to use the kubernetes dashboard, use the token and log in from the following URL Mar 27, 2024 · I think we have all the tools in regular non-docker, non-kubernetes linux to get to a similar outcome, except we won’t need docker or kubernetes or whatever, and this removes a bunch of complexity from the systems we build. Docker is a leading commercial platform designed to simplify how developers build, deploy, and manage containerized Ansible vs NixOS: What are the differences? Key Differences between Ansible and NixOS Introduction. However, they have several key differences that set them apart. NixOS can be deployed to Amazon EC2 using our official AMI. 05. Oct 30, 2018 · I have various kubernetes clusters of different versions, some old enough that the current kubernetes kubectl will not work with them. Recently, I set up the first cluster running on NixOS. Aug 9, 2023 · 👋🏻 Hey fellow nixers! I am seeking some wisdom for using NixOS as a homelab hypervisor and would appreciate any thoughts and ideas to help me figure out the right path forward. Just the memory consumption of cert-manager (effectively used every 3 months) or the number of lines the prometheus helm chart generates covers me with disbelief. Both of them run Proxmox at the moment and they are clustered, with the bigger emphasis on the chunkier one when scheduling Oct 6, 2023 · To access the kubernetes dashboard, run kubectl proxy to access the Kubernetes dashboard. Docker is a popular platform for containerization and NixOS is a Linux distribution that employs a declarative approach to system configuration. 1438) * legacyPackages. Mar 23, 2024 · Motivation🔗. helm (k8s package manager) is called kubernetes-helm on Nix. Validation. The VM stack, which includes the bits to run Kubernetes. 4) A static analysis tool that checks Kubernetes YAML files and Helm charts * legacyPackages. nixos-raspberry-pi-cluster A user-guide to create a Raspberry Pi (3B+, 4) cluster under NixOS and managed by NixOps (by hugolgst) Mar 13, 2023 · Buffer uses Kubernetes to deploy and manage its containerized applications. But a lot of the things I see online seem to say that NixOS has a steep learning curve compared to Ubuntu. For me Unfortunately, NixOS doesn't have a good story yet for service management (Disnix isn't nearly as featureful as the Kubernetes scheduler and doesn't see nearly the same activity / community buy-in as Nix / NixOS) let alone ensuring that networked storage is re-attached to the particular node that runs the service in the same reliable manner This guide accompanies my 2023 Kubecon talk, Nix, Kubernetes, and the Pursuit of Reproducibility. Plugins are built into the utility but trying to install them leads to permission errors since the package is installed via nix and the directory is read-only. The NixOS Wiki has info on the package manager, the Nix language, Nixpkgs, and NixOS itself. CUE has a particularly well-behaved type system that allows to conveniently specify, combine and verify data schemas. . We're familiar with declarative concepts as we're NixOS nerds, but just want to get started with Kubernetes quickly and easily. Aug 27, 2024 · In this post, we'll explore what NixOS is, why you might choose it over other options like Docker, Kubernetes, or OpenShift, and how it can be particularly effective in managing ephemeral environments. But if you want immutability and a bunch of perks like easy recovery, robust package manager, etc. Control Plane: This is the brain of Kubernetes, responsible for maintaining the desired state of the cluster The NixOS kubernetes module provides an option for automatic certificate bootstrapping and configuration, services. On the other hand, NixOS focuses more on providing a reliable and reproducible system for general-purpose computing. Kubernetes optimizes resource utilization by dynamically scheduling containers across nodes. This is one more example that Flatcar is intended to be used outside of just Kubernetes. From bottom to top, the components we need correctly connected together are: A host operating system (OS) running in a VM as a Kubernetes node. kubectl proxy. Compare nixos-ha-kubernetes vs system and see what are their differences. Docker often wins for immediate deployment and ease of use, while Nix shines for… The NixOS on the nested K3s server container (if it exists) has the same admin user; Hosts are accessible by ssh ssh connections prohibit passwords and root logins (only ssh keys are allowed) the admin user has a password for sudo once an ssh connection is established; Kubernetes versions are shared All K3s-servers run the same NixOs version Kubernetes management with Nix. My configuration is really really simple so I don’t think there’s much room for errors: Controller 0: services. accidental complexity. Let’s dive into the specifics of each tool to help you understand which one is better suited for your organization’s needs. Jun 11, 2021 · Hi there! Today was the first time, that I had the need to try something out in a cluster. If someone could sketch what the relation is in more detail, that would be highly appreciated! thanks Apr 10, 2025 · nixos-ha-kubernetes; References. If you are unsure and don’t see it on the early boot screen, you can search online for your computers brand, model followed by “boot from usb”. From there, it can use a tool called disko to erase and repartition an entire disk, and install NixOS. NixOS shines in the same ways the others in this list shine. In this case, that purpose is Kubernetes. Nov 4, 2024 · Flatcar also comes with Docker pre-installed, but Kubernetes doesn’t use docker as a container runtime. If I have Apr 12, 2025 · Add nix. Nov 7, 2024 · Docker vs Kubernetes – A Detailed Comparison . Comparison: NixOS vs. Not sure. We're running 100% Kubernetes, including for databases and other stateful workloads. I went ahead and installed it and tried some stuff out. nix file and setup direnv in that directory. Why should you care? Consistency: Ensure the same version across different environments effortlessly. The key to open the boot menu is different across computer brands and even models. hostname Jan 10, 2025 · Shop Micro Center’s Winter Savings Event: https://micro. The hypervisor, which includes network stack configuration along with libvirt, qemu, and kvm. nix file I’ve been working with: let pkgs Jul 11, 2023 · By integrating with Kubernetes, Cilium can automatically discover new pods and services as they are created or terminated, ensuring that network policies and security rules are consistently applied. As for my configuration, I have it broken down into NixOS and machine-specific NixOS and machine-agnostic Nix and machine-specific Nix and machine-agnostic Mar 13, 2023 · This requires me though to manually copy the ca cert to the master node (see etcd not init etcd. It Reproducibility is referring to the build system, which ensures that given inputs always produce the same outputs. For the most part, the things I want to install are almost always in NixPkgs and have simple configuration options mapped into NixOS. The release is called NixOS 23. This article assumes you know basic Kubernetes terminology and will focus more on showing you "this is how you do it" and less on "this is how it works". Komplexity / Operational overhead (see registry point) Kubernetes might be an NixOS AMIs. NixOS Anywhere is a tool that let's you install NixoS everywhere via ssh on a target machine running x86_64 Linux with kexec support. K3s documentation is available at: https://github. nixos-up is a super easy NixOS installer that can be used from the installation ISO. nixos-rebuild-ng, a full rewrite of nixos-rebuild in Python, services. com/NixOS/nixpkgs/blob/master/pkgs/applications/networking/cluster/k3s/README. pluginsDir and picks up the plugins correctly. This is a great option if that’s what you need. We will start deprecating and garbage collecting images older than 90 days in the future. NixOS-containers only run on NixOS, which is a niche usecase. In BGP mode all services should be set to externalTafficPolicy:Local because Aug 26, 2024 · NixOS and Devbox save the day The software development industry is constantly changing. What platform are you running Dec 7, 2023 · Kubernetes Powers Mastercard's AI-Workbench for Secure Innovation Apr 25th 2025 8:00am, by NixOS: A Combination Linux OS and Package Manager Apr 19, 2024 · Here helmfile-wrapped reads kubernetes-helm-wrapped. Package Management: Jul 19, 2024 · I’m trying to summarize from my view In a nutshell: Disnix tries to achieve what kubernetes also does. It is immutable, and you can specify your systemd-managed containers in the config file, much like with flatcar. Conor Myhrvold. 14. A user-guide to create a Raspberry Pi (3B+, 4) cluster under NixOS and managed by NixOps (by hugolgst) Inspired by nixos-ha-cluster, I began to build. The API is secured using mutual TLS (mTLS) authentication. These files are written in a language specific to Nix, though it looks very much like JSON. Sep 5, 2019 · Some of the pros of this approach: It has the potential of reducing the number of NixOS options from currently ~145 to ~20, provided that each of the cluster components have only options for: enable and extraConfig. Jan 29, 2021 · Docker and Kubernetes made containerization ubiquitous by simplifying build and orchestration, but modern containers trace their heritage to FreeBSD Jails released 20 years ago. nixos-ha-kubernetes. crossSystem . Has anyone had any luck installing helm plugins? Here is the shell. Kubernetes is a complex system with many components. It rethinks what a Linux is and could be. nix and nixos-rebuild switch. In contrast, Kubernetes is a framework for running and controlling containers from various container runtimes. related Kubernetes posts. Since getting into NixOS I've been experimenting with using that for Kubernetes, however I probably wont end up using their module. It looks great. As Red Hat admits, Kubernetes vs OpenShift correlates as the kernel of distributed systems vs the distribution itself. Nix vs. As someone who just two weeks ago got into Nix/NixOS via this repo[1] from mitchellh, one thing I'd love: A nice, seamless way to remote connect JetBrains IDEs or VS Code into the environment. Because I don’t need kind and kubectl right now I decided to uninstall them and reinstall, if needed. In NixOS, that base image is still immutable and read only, but YOU get to decide what’s in that immutable image. In that category, CUE’s approach really stands out Sep 13, 2024 · Make your HTTP (or HTTPS) network service available using a protocol-aware configuration mechanism, that understands web concepts like URIs, hostnames, paths, and more. Each package is cryptographically hashed, ensuring package integrity. clusterDns now accepts a list of DNS resolvers rather than a single Dec 1, 2021 · Dubbed “Porcupine” and coming six months after the NixOS 21. There’s a million variables in between their not even comparable in terms of speed. Today, I’d like to follow up on this tweet and show how I’ve used Nix to streamline my laptop environment in ways that have saved me time and made me substantially more productive across programming languages and platforms—and even jobs. And the blame game starts. The default Kubernetes module in NixOS choose to use Flannel for container networking and cfssl for certificates management Note. localSystem and nixpkgs. It leaves the primary disk to Kubernetes by running in memory from a SquashFS. ) Nov 1, 2018 · Minikube runs a single-node Kubernetes cluster inside a VM (e. roles = ["master" "node"]; services. 3 (with revert of module systemd dependencies) by johanot · Pull Request #67563 · NixOS/nixpkgs · GitHub we now at least have a stable kubernetes module (and package) for the… Compare Helm vs. NixOS is the answer to our Linux administration ways. During the first talk: the presenter explains how Web Assembly can replace the containerd shim with a wasm shim that runs wasm workloads directly (instead of containers). Again, create a flake. 168. Jun 18, 2024 · K3s is a simplified Kubernetes version that bundles Kubernetes cluster components into a few small binaries optimized for Edge and IoT devices. Jan 16, 2019 · Hi, I am new to the field and would like to get a grasp on how nix/nixops/and especially disnix relate to Kubernetes. Kubernetes implements the author's pattern just fine - any OS state is defined within the container image, and any application state is defined within a Persistent Volume. Docker is industry standard for containerization, also it is OCI compliant (meaning you can use docker images to run containers on Kubernetes, Podman or any other compatible runtime). With NixOS, I can test out new versions or alternative configurations with guaranteed rollback at my boot menu. g. I import nixos unstable, and then I create a nixos configuration for a machine named douglas-adams. For example, here The tricky part is mapping between your Compose project - and any Compose configs provided by the apps themselves - and your NixOS config. Oct 14, 2020 · Porter always sends traffic to a node or nodes with PODs. hostname; apiserverAddress = "https://${controller-0. 90 votes, 21 comments. And quite frankly, it really does feel this way. If you're installing NixOS, the nixos-anywhere (formerly known as nixos-remote) tool allows you to pre-configure the whole process. Nov 19, 2023 · hi there, i’d had this idea and wanted to bounce it off of others to check if it holds water. Deploy a Pod Instead of setting up a cluster, writing YAML files and deploying them with kubectl apply, you could write everything in your NixOS Apr 16, 2025 · In a recent talk, Kubernetes expert Kelsey Hightower explored the Docker alternative Nix, recognizing its potential for improved software reproducibility and supply chain security. No global /usr/bin directory, preventing package collisions. We publish AMIs to all AWS regions for both x86_64 and arm64 on a weekly basis. NixOps - . Beside the discussion about “kubeadm vs something else“, wen can still add support for different runtimes and networking solutions. There are dead ones but not as many. NixOS. Apr 21, 2022 · Okay so I’ve been working on installing Kubernetes, I’m very newbie at it so this might be something obvious to anyone experienced with it. Since I'm containerizing some services I host myself, this definitely looks like something to check out, thanks! Sep 12, 2024 · I switched Ubuntu to NixOS for various reasons, some of which are: Still, suppose you have mid-level(little bit) experience in Linux, docker, Kubernetes, etc, and similar technology. kubernetes = { roles = ["master" ]; masterAddress = controller-0. Tech Brand Mgr, Office of CTO at Uber · Dec 4, 2018 | 44 upvotes · 13. Support is planned until the end of June 2024, handing over to NixOS 24. For each component, there are many choices. See also. The NixOS Remote Builds Test Case; Mail to nixos-dev about setting up remote builds by Russell O'Connor; A step-by-step guide on remote Firefox building through bastion host; Offloading NixOS builds to a faster machine; Run a qemu Linux builder on macOS I'm currently using NixOS for my selfhosting kubernetes nodes on Hetzner Cloud. Both of them run Proxmox at the moment and they are clustered, with the bigger emphasis on the chunkier one when scheduling Compare nixos-ha-kubernetes vs system and see what are their differences. What I need run some oci containers on 1-2 machines run multiple instances per machine roll out a new version when Aug 7, 2024 · NixOS documentation and NixOS github repo are usually of great use when it comes to adding features to NixOS host. This lets you import NixOS modules from other flakes and define your own NixOS modules on the fly. space . Next, disable the firewall. From what I can see, there’s a CLI for Feb 11, 2024 · A community-maintained unofficial NixOS Wiki is available and a Nix development site is located at nix. Oct 2, 2024 · I think we have all the tools in regular non-docker, non-kubernetes linux to get to a similar outcome, except we won’t need docker or kubernetes or whatever in this new land, thus removing quite a bunch of complexity from the systems we build. It demonstrates how to use Nix(OS) for all layers of a server stack. From the pods’ logs, it seems like all internal traffic is blocked, as well. emacsPackages. Kubernetes and Docker share some similarities, such as high availability, portability, and the ability to break down applications into their constituent parts. See full list on nixos. passthru. We will know of history as before and after NixOS. It can be F12, but also F1, F9, F10, Enter, Del, Esc or another function key. Perfect for sandboxed environments and high-security applications. Fret not, if you do not know about NixOS, you can explore our NixOS series to learn and set it up. On the other hand, Talos is detailed as "A modern Linux distribution for Kubernetes". fcos. Contribute to hall/kubenix development by creating an account on GitHub. If you want to use the kubernetes dashboard, use the token and log in from the following URL NixOS vs Ubuntu: What are the differences? Key Differences between NixOS and Ubuntu. nix in some empty directory, paste the snippet above and run it with nix develop Mar 17, 2025 · Hi all! The NixOS module for k3s has some nice options that allow to configure Kubernetes deployments directly in pure Nix! I would like to share some examples on how to use them and hope they help one or the other to build reproducible k3s nodes. Then you deploy it into production and it crashes. Jan 20, 2023 · In fact, the opposition of Red Hat OpenShift vs Kubernetes is somewhat far-fetched since OpenShift is not only compatible with K8s but is, in fact, fueled by it as a container orchestration engine. I originally became interested in self-hosting and home servers when the pandemic took hold, and then used every mainstream Linux distribution and configuration management system until I came across NixOS, which incredibly triumphs at being both. Jun 25, 2021 · Fair enough. Why is that? I’ve never used Nix so I don’t know. The NixOS release team is happy to announce a new version of NixOS. 05 release, NixOS 21. It's cool to see that Nix can improve the container orchestration experience from "both ends", so to speak. The same can be done for networks, like Cilium as Alternative to flannel. It is suitable for developers and system administrators who value declarative configuration management and package reproducibility. A mix of remote, emulated and cross builds is also possible; see this writeup on eno. Docker is a containerization platform that can run containers on a host operating system (container runtime). One is a paid-for service the other is open source software. nix, or at least I recommend using it. kubernetes-helm (20230221. everything you need installed before you run the Kubernetes Feb 20, 2024 · With nixpkgs-terraform, a project designed to make your Terraform environment management a breeze, you can say goodbye to documentation hassles and manual interventions. The prophecy is written. Most of this project has been realized using kubernetes the hard way tutorial, and another nixos high availability k8s cluster project also based on this tutorial. wsl from the latest release. It is also possible to use cross-compilation with NixOps, by setting nixpkgs. You can imagine Talos as a container image, in that it is immutable and built with a single purpose in mind. We built this because Nix is a great fit for making efficient containers. easyCerts. Jan 15, 2024 · Like I’ve mentioned a hundred times, Nix and NixOS work using config files. readFile + builtins. It's about stability and correctness. cfssl generates a CA-cert for the cluster, and uses the CA-cert for signing Sep 8, 2019 · Good, I see multiple points here. I have two server systems that I use for my homelab, one is more powerful than the other. IRC (2018-09): issues related to DNS; IRC (2019-09): discussion about easyCerts and general setup This article will show you how to setup Kubernetes on your local NixOS machine and perform some common tasks such as starting containers and routing traffic to your running containers. Installation is pretty straight forward. After that, the fans of my laptop were running constantly and I saw a lot of active kubernetes-processes (kube-apiserver, kube-controller-manager, kubelet…). NixOS is a Linux distribution built on top of nixpkgs. Tencent Kubernetes Engine using this comparison chart. , NixOS should be a great pick. Additionally, NixOS takes the pain out of re-installing. This is outdated! k3s is now packaged in nixpkgs! In part 1, you should have got k3s installed onto your nixos system. Jan 18, 2023 · In the demo I will install NixOS 22. Thanks to the merge operation, you can write separate, modular blocks that are then combined into a configuration. 11 is here with a lot of goodies, starting with the GNOME 41. What I was wondering is if there’s prior art around this. Footnotes Sep 5, 2019 · Since the merge of kubernetes: 1. I'll see how it goes. What is Docker? A Simplified Containerization . Declarative means that instead of running apt-get install docker, you write down everything you want and it installs everything and removes everything you don’t want. Shared Yeah, the only problem you get when using other package managers on NixOS is that people who don't use NixOS tend to implicitly assume you have a whole lot of stuff installed system-wide. The differences between his project and this. . Here is an interesting angle on kubernetes’ complexity via an asessment of its essential vs. Talos tightly integrates with Kubernetes, and is not meant to be a general use Linux distribution. NixOS is known for having obscure and rare packages that still work because of the way package management is done (library conflicts work just fine). As a student, it can teach you a lot, tools like Kubernetes and Terraform are built on similar principles. kubelet Oct 1, 2024 · NixOS is an open-source Linux distribution based on the Nix package manager. The idea I’ve had for a while but now want to discuss viability publicly: develop a nix shim that works with containerd, replacing runc, that “spins up” Nix workloads without any of the Listen your comparing apples to oranges here. NixOS is one of the most advanced Linux distributions available. Therefore, it is essential to find the correct tools to make workflows more accessible and ensure consistency. In a nutshell, NixOS is a system for nerds that care about declarative configuration. Clusters: A group of nodes managed as a single unit. Additionally I need to run echo TOKEN | nixos-kubernetes-node-join on every container too. md Feb 15, 2024 · Docker and Nix are containerization and package management tools, but their philosophies and goals diverge. It will solve all our problems with packaging software. In the process of debugging this & trying to make the Jun 10, 2022 · Configure library search path. Issue #39327: kubernetes support is missing some documentation; NixOS Discourse: Using multiple nodes on unstable; Kubernetes docs; NixOS e2e kubernetes tests: Node Joining etc. I started to contribute a CRI-O module to NixOS these days, which could be a fist approach to configure something else beside docker as runtime. Download nixos. 133K subscribers in the kubernetes community. rlrt qon jiod ljzyw xkgyn foyn bgan ehwcg ppinrhb beloxp