Install kube-linter with Homebrew, MacPorts, Nix, pacman, zypper, scoop

Project links

• Homepage
• Repository

Commands and aliases

• kube-linter

Project history

The public GitHub repository was created on 2020-08-13, and the first GitHub release, 0.0.1, was published on 2020-09-17. StackRox announced KubeLinter publicly on 2020-10-28 as an open source tool for finding Kubernetes misconfigurations before workloads reach a cluster.

The project later became part of the StackRox/Red Hat Kubernetes security toolchain identity: its README says KubeLinter was created by StackRox and is powered by Red Hat. The codebase stayed focused on one job: linting Kubernetes YAML-family inputs with configurable checks and machine-readable output formats.

Adoption history

KubeLinter's adoption path followed the normal Kubernetes CLI pattern: standalone release binaries, Homebrew packaging, Go installation, Docker images, and CI integration. The companion stackrox/kube-linter-action repository packages the same scanner as a GitHub Action for pull-request and workflow checks.

How it is used

Users run KubeLinter locally or in CI against rendered manifests, Helm charts, or Kustomize output. A failed check returns a non-zero exit code, which makes the tool useful as a lightweight guardrail before kubectl apply, Helm install, or a GitOps reconciler sees the manifests.

The config file convention in this batch, .kube-linter.yaml, matches the tool's configurable-policy role: teams can enable, disable, or define checks around their own Kubernetes baseline instead of accepting a single universal rule set.

Why package nerds care

For package people, KubeLinter is a good example of the security-shift-left wave becoming a small installable CLI. It sits next to kubectl, helm, kustomize, and CI actions rather than requiring a hosted service, which is why Homebrew and other package-manager delivery matter.

Its significance is less about replacing cluster admission policy and more about catching obvious manifest mistakes while the artifact is still text in a repository.

Timeline

• 2020-08-13: GitHub repository created.
• 2020-09-17: First GitHub release, 0.0.1, published.
• 2020-10-28: StackRox announced KubeLinter as an open source Kubernetes misconfiguration scanner.
• 2026-03-10: GitHub release v0.8.3 published.

Related projects

• kube-linter-action packages KubeLinter for GitHub Actions workflows.
• Helm and Kustomize are common upstream renderers for the manifests KubeLinter scans.
• Kubernetes admission controllers and policy engines such as OPA Gatekeeper solve related policy problems later in the deployment path.

Sources

• https://api.github.com/repos/stackrox/kube-linter
• https://api.github.com/repos/stackrox/kube-linter/releases
• https://docs.kubelinter.io/
• https://formulae.brew.sh/formula/kube-linter
• https://github.com/stackrox/kube-linter
• https://github.com/stackrox/kube-linter-action
• https://www.prnewswire.com/news-releases/stackrox-releases-kubelinter-an-open-source-tool-to-identify-kubernetes-misconfigurations-301161556.html