How to install Claper on Fedora CoreOS Latest

Claper is a command-line tool that allows you to quickly switch between different versions of Kubernetes on your cluster. In this tutorial, we will walk through the steps to install Claper on Fedora CoreOS Latest.

Prerequisites

Before you begin, please ensure that you have:

A running instance of Fedora CoreOS Latest
Internet connectivity on the instance
sudo privileges on the instance

Installing Claper

Open a terminal window on your Fedora CoreOS Latest instance.

Run the following command to add Claper's repository:

sudo dnf config-manager --add-repo https://claper.co/static/repos/fedora/33/claper.repo

Install Claper by running the following command:
```
sudo dnf install claper
```

Configuring Claper

Once Claper has been installed, you need to configure it to use the proper Kubernetes versions for your cluster.

Create a configuration file for Claper by running the following command:
```
sudo touch /etc/claper/config.toml
```
Open the configuration file in a text editor by running the following command:
```
sudo nano /etc/claper/config.toml
```
Add the following content to the file:
```
[versions]
v1.21.2 = "/usr/bin/kubernetes-1.21.2"
v1.20.6 = "/usr/bin/kubernetes-1.20.6"
```
Replace "/usr/bin/kubernetes-1.21.2" and "/usr/bin/kubernetes-1.20.6" with the actual paths to the Kubernetes binaries on your Fedora CoreOS Latest instance.

You can add more versions to the list as needed.
Save the configuration file and exit the editor.

Using Claper

To use Claper, you simply need to run the following command:

sudo claper use <version>

Replace <version> with the version of Kubernetes that you want to switch to. For example:

sudo claper use v1.20.6

Once you run this command, Claper will switch your cluster to the specified version of Kubernetes.

Conclusion

Congratulations! You have successfully installed and configured Claper on your Fedora CoreOS Latest instance. Now you can easily switch between different versions of Kubernetes on your cluster.