KubeSolo

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What KubeSolo is

KubeSolo is an open-source, MIT-licensed Kubernetes distribution that exposes the full Kubernetes API on a single node, without clustering machinery such as etcd quorum logic or multi-node networking overlays. The site describes idle memory use under 200 MB and positions it for edge devices, factory and OT infrastructure, IoT hardware, developer workstations, remote sites and kiosks. It supports Kubernetes manifests, Helm, CRDs, RBAC, ServiceAccounts, namespace isolation, health probes, restart policies and resource limits. Networking includes an integrated CNI, CoreDNS and ClusterIP, NodePort and LoadBalancer services. Persistent volumes use Rancher’s local-path-provisioner by default, and CSI drivers are supported. KubeSolo can run offline without cloud connectivity or external registries. Its d2k component provides a Docker-compatible API over mTLS, while a Prometheus endpoint and ready-made Grafana dashboards cover component health, certificate expiry and database size. Linux support includes ARM, ARM64, x86_64 and RISC-V 64; kubesoloctl can also run it in a Docker container on macOS and Windows WSL2.

Who it suits

KubeSolo may suit teams running Kubernetes workloads on resource-constrained edge devices, remote sites or developer workstations. Its single-node scope fits users who do not need a multi-node cluster.

What it does well

Full Kubernetes API on a single node.
Site describes under 200 MB idle RAM use.
Runs offline without cloud connectivity or external registries.
Includes Prometheus metrics endpoint and Grafana dashboards.
Supports ARM, ARM64, x86_64 and RISC-V 64.

What to know first

Single-node by design; multi-node clusters are not supported.
Not currently CNCF-certified.
Some operators and CSI drivers may need kubelet-directory configuration.
Linux installation has specified system requirements.

Limits

KubeSolo does not provide multi-node clusters; managing multiple instances centrally requires a solution such as Portainer. Systems with operators, add-ons or CSI drivers that assume /var/lib/kubelet may need configuration for KubeSolo’s custom kubelet directory.

Getting started

Use a supported Linux distribution, or prepare macOS or Windows WSL2 for container mode
Ensure sudo access, curl, iptables and libsqlite3-dev are available
Remove or stop any container engine on the Linux target
Install KubeSolo or run kubesoloctl in a Docker container
Apply Kubernetes manifests, Helm charts or CRDs as needed
Connect Portainer Edge Agent if centralized fleet management is required

Verdict

KubeSolo provides Kubernetes APIs and common workload features in a single-node distribution with an offline mode. Its one-node scope and possible configuration needs for software that assumes /var/lib/kubelet are important to weigh.

Questions

Is KubeSolo free and open source?

Yes. KubeSolo is free and licensed under the MIT license.

Which operating systems and architectures are supported?

Linux support covers Ubuntu, Debian, Alpine, CentOS and Raspbian on ARM, ARM64, x86_64 and RISC-V 64. kubesoloctl can run KubeSolo in a Docker container on macOS and Windows WSL2.

Does KubeSolo support multi-node clusters?

No. It is single-node by design; centralized management of multiple instances requires a multi-cluster solution such as Portainer.

Can it run without internet or cloud services?

Yes. KubeSolo can run fully offline without cloud connectivity or external registries.

What Kubernetes features are supported?

The distribution supports manifests, Helm, CRDs, RBAC, ServiceAccounts, namespace isolation, health probes, restart policies and resource limits.

Is KubeSolo CNCF-certified?

The FAQ says KubeSolo is not currently CNCF-certified.

Facts from KubeSolo's own pages

Architecture support: Supported architectures are ARM, ARM64, x86_64, and RISC-V 64. · kubesolo.io, 5 Oct 2026
Certification: The FAQ says KubeSolo is not currently CNCF-certified. · kubesolo.io, 5 Oct 2026
Compatibility limit: The documentation says some operators, add-ons, and CSI drivers that assume /var/lib/kubelet may need configuration for KubeSolo's custom kubelet directory. · kubesolo.io, 5 Oct 2026
Docker compatibility: The d2k component exposes a Docker-compatible API over mTLS so Docker CLI commands, scripts, and CI jobs can target a KubeSolo node. · kubesolo.io, 7 Oct 2026
Features: It supports standard Kubernetes manifests, Helm charts, CRDs, RBAC, ServiceAccounts, namespace isolation, health probes, restart policies, and resource limits. · kubesolo.io, 7 Oct 2026
Hardware guidance: The FAQ describes KubeSolo as designed for resource-constrained devices, including systems with less than 1 GB RAM, and says standard lightweight distributions are generally a better fit at 1 GB or more. · kubesolo.io, 7 Oct 2026
Integrations: KubeSolo integrates with Portainer Edge Agent for centralized fleet management, GitOps deployments, RBAC, and remote lifecycle management. · kubesolo.io, 7 Oct 2026
Intended users: The stated target environments include edge devices, factory and OT hardware, IoT and embedded systems, developer workstations, remote sites, and kiosks. · kubesolo.io, 7 Oct 2026
License: KubeSolo is open source under the MIT license. · kubesolo.io, 5 Oct 2026
Memory: The site describes KubeSolo as using under 200 MB RAM at idle. · kubesolo.io, 5 Oct 2026
Networking: KubeSolo includes an integrated CNI, CoreDNS, and native ClusterIP, NodePort, and LoadBalancer service types. · kubesolo.io, 5 Oct 2026
Networking and storage: It includes an integrated CNI plugin, CoreDNS, built-in LoadBalancer behavior, and local-path-provisioner for persistent volumes. · kubesolo.io, 7 Oct 2026
Notable limitation: KubeSolo is single-node by design and the FAQ says it is not currently CNCF-certified. · kubesolo.io, 7 Oct 2026
Observability: The product includes a Prometheus metrics endpoint for component health, certificate expiry, and database size, with ready-made Grafana dashboards. · kubesolo.io, 7 Oct 2026
Offline use: The site says the offline build embeds KubeSolo system images and can install and run without cloud connectivity. · kubesolo.io, 7 Oct 2026
Product: KubeSolo is a single-node Kubernetes distribution that removes clustering machinery while exposing the full Kubernetes API. · kubesolo.io, 5 Oct 2026
Purpose: It provides the full Kubernetes API on a single node, removing clustering machinery such as etcd quorum logic and multi-node networking overlays. · kubesolo.io, 7 Oct 2026
Requirements: Installation requires a modern Linux distribution, sudo access, curl, iptables, and libsqlite3-dev; the guide also says no container engine should be installed or active on the target system. · kubesolo.io, 5 Oct 2026
Resource use: The homepage states that KubeSolo uses under 200 MB of RAM at idle. · kubesolo.io, 7 Oct 2026
Security: Its Docker-compatible d2k API uses mTLS, and the product supports Kubernetes RBAC and namespace isolation. · kubesolo.io, 7 Oct 2026
Single-node scope: KubeSolo is single-node by design; managing multiple instances centrally requires a multi-cluster management solution such as Portainer. · kubesolo.io, 5 Oct 2026
Storage: KubeSolo includes Rancher's local-path-provisioner by default and supports CSI drivers. · kubesolo.io, 5 Oct 2026
Supported environments: Linux installation supports ARM, ARM64, x86_64, and RISC-V 64; kubesoloctl can run KubeSolo in a Docker container on macOS and Windows WSL2. · kubesolo.io, 7 Oct 2026
What it is: KubeSolo is an open source, MIT-licensed single-node Kubernetes distribution maintained by Portainer. · kubesolo.io, 7 Oct 2026

Where KubeSolo stands on Freedom251

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