Kubectl is a command-line tool that is used to interact with Kubernetes clusters. It enables users to manage applications that run on Kubernetes. Bash completion is a feature that allows the shell to automatically complete commands, options, and arguments. Enabling kubectl bash completion can save you a lot of time and effort when working with Kubernetes clusters. In this article, we will discuss how to enable kubectl bash completion in a step-by-step manner.
Table of Contents
Checking kubectl Version
Installing Bash Completion
Configuring Bash Completion
Verifying Bash Completion
Checking kubectl Version:Before we proceed, we need to check the version of kubectl installed on our system. Open a terminal and type the following command:
kubectl version --client
This will display the version of kubectl installed on your system.
Installing Bash Completion:If you are using a Linux distribution that supports apt, you can install bash completion using the following command:
sudo apt-get install bash-completion
If you are using a Linux distribution that supports yum, you can install bash completion using the following command:
sudo yum install bash-completion
If you are using macOS, you can install bash completion using Homebrew:
brew install bash-completion
Configuring Bash Completion:Once you have installed bash completion, you need to configure it to work with kubectl. Open your terminal and run the following command to edit the bashrc file:
Add the following lines to the end of the file:
source <(kubectl completion bash)
complete -F __start_kubectl k
Save the file and exit the editor.
Verifying Bash Completion:To verify that bash completion is working, open a new terminal and type the following command:
k run [TAB]
This will display a list of available options for the
kubectl run command.
More Examples:Here are some more examples of how to use bash completion with kubectl:
k get [TAB]: This will display a list of available Kubernetes resources.
k get pods [TAB]: This will display a list of available pods.
k logs [TAB]: This will display a list of available pods to view their logs.
k delete [TAB]: This will display a list of available resources that can be deleted.
By following these steps, you can enable kubectl bash completion and save time and effort when working with Kubernetes clusters.
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That's it for this post. Keep practicing and have fun. Leave your comments if any.
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