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Copy Data from Pod to Local Using Kubectl Command

Copy Data from Pod to Local Using Kubectl Command

Kubernetes is a popular open-source container orchestration platform that is widely used to manage and deploy containerized applications. One of the most common tasks when working with Kubernetes is to copy data from a pod to your local machine. In this article, we will discuss how to use the kubectl command to copy data from a pod to your local machine.

Prerequisites:

Before proceeding with the instructions, make sure that you have the following prerequisites:

  • A running Kubernetes cluster
  • kubectl command-line tool installed on your local machine
  • Access to the pod that you want to copy data from

Step by Step Instructions:

To copy data from a pod to your local machine using the kubectl command, follow these steps:

Step 1: Open Terminal

Open your terminal or command prompt on your local machine.

Step 2: Connect to the Cluster

Connect to the Kubernetes cluster using the kubectl command-line tool. Use the following command to connect to the cluster:

kubectl config use-context <context-name>

Note: Replace <context-name> with the name of the context that you want to use.

Step 3: Identify the Pod

Identify the name of the pod that you want to copy data from. Use the following command to list all the pods in the current namespace:

kubectl get pods

Step 4: Copy Data from Pod to Local Machine

Use the kubectl command to copy data from the pod to your local machine. Use the following command to copy a file from the pod to your local machine:

kubectl cp <pod-name>:<path-to-file> </local/path/to/copy>

Note: Replace <pod-name> with the name of the pod, <path-to-file> with the path to the file that you want to copy from the pod, and </local/path/to/copy> with the local path where you want to copy the file.

For example, to copy a file named config.yml from a pod named my-pod located at /app/config.yml to a local path /Users/myuser/Documents/config.yml, use the following command:

kubectl cp my-pod:/app/config.yml /Users/myuser/Documents/config.yml

Step 5: Verify the File

Verify that the file has been copied successfully to your local machine.

Additional Examples:

To copy a directory from a pod to your local machine, use the following command:

kubectl cp <pod-name>:<path-to-directory> </local/path/to/copy> -R

Note: Replace <pod-name> with the name of the pod, <path-to-directory> with the path to the directory that you want to copy from the pod, and </local/path/to/copy> with the local path where you want to copy the directory. The -R flag is used to copy the directory recursively.

For example, to copy a directory named logs from a pod named my-pod located at /app/logs to a local path /Users/myuser/Documents/logs, use the following command:

kubectl cp my-pod:/app/logs /Users/myuser/Documents/logs -R

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.

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