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Learn how to install and configure Kustomize on your local machine. This guide covers the prerequisites, installation steps, and verification process for Linux, macOS, and Windows.

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Prerequisites

Before you begin, ensure you have the following:
  • A running Kubernetes cluster
  • kubectl installed and configured to communicate with your cluster

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Supported Platforms

Kustomize provides a single installation script that auto-detects your operating system and installs the appropriate binary.
Operating SystemInstallation Method
Linuxcurl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
macOScurl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
Windows (PowerShell)iwr -useb "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.ps1" | iex

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Install Kustomize

Run the official installation script: 
curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
This will download the latest Kustomize binary and place it in your current directory. To make it globally available, move it into your PATH: 
mv kustomize /usr/local/bin/
chmod +x /usr/local/bin/kustomize

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Verify the Installation

Check that Kustomize is installed correctly by running: 
kustomize version --short
Expected output: 
{kustomize/v4.4.1 2021-11-11T23:36:27Z}
If you don’t see a version string:
  1. Close and reopen your terminal to refresh PATH.
  2. Rerun the installation script from above.
If the kustomize command is not found after installation, ensure /usr/local/bin (or your chosen install directory) is included in your PATH environment variable.

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