Kubernetes is an open-source platform that automates the management, deployment, and scaling of containerized applications. It is highly scalable and can run on different platforms, including Arch Linux. In this tutorial, we will show you how to install Kubernetes on Arch Linux.
Before you start, make sure you have the following:
To install Docker, execute the following command in your terminal:
$ sudo pacman -S docker
After installing Docker, start it and enable it to run on boot:
$ sudo systemctl start docker
$ sudo systemctl enable docker
To verify Docker's installation, run the following command:
$ sudo docker run hello-world
This will download an image and run a container that will print a "Hello from Docker!" message.
To begin the installation of Kubernetes, run the following command:
$ sudo pacman -S kubernetes
Note that this will install the Kubernetes client only. To install the Kubernetes server, you need to install kubernetes-server.
After installing Kubernetes, check the version:
$ kubectl version
This will show you the version of both the client and server.
To complete the installation, run the following command to start the kubelet daemon:
$ sudo systemctl start kubelet
Also, enable the kubelet daemon to start on boot:
$ sudo systemctl enable kubelet
To complete the Kubernetes setup, you will also need to configure some files.
To configure the Kubernetes API server, edit the /etc/kubernetes/apiserver file:
$ sudo nano /etc/kubernetes/apiserver
In this file, modify the following lines:
KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"
KUBE_ETCD_SERVERS="--etcd-servers=http://127.0.0.1:2379"
KUBE_ADMISSION_CONTROL="--enable-admission-plugins="
Save the file and exit the editor.
To configure the Kubernetes controller manager, edit the /etc/kubernetes/controller-manager file:
$ sudo nano /etc/kubernetes/controller-manager
In this file, modify the following lines:
KUBE_CONTROLLER_MANAGER_ARGS="--service-account-private-key-file=/etc/kubernetes/apiserver.key --kubeconfig=/etc/kubernetes/controller-manager.conf"
Save the file and exit the editor.
To configure the Kubernetes scheduler, edit the /etc/kubernetes/scheduler file:
$ sudo nano /etc/kubernetes/scheduler
In this file, modify the following lines:
KUBE_SCHEDULER_ARGS="--kubeconfig=/etc/kubernetes/scheduler.conf"
Save the file and exit the editor.
After configuring the files, start the Kubernetes service:
$ sudo systemctl start kube-apiserver kube-controller-manager kube-scheduler
To check the status of the service:
$ sudo systemctl status kube-apiserver kube-controller-manager kube-scheduler
This should show that the service is active.
Congratulations! You have successfully installed Kubernetes on Arch Linux. You can now start deploying containerized applications and managing them with this powerful platform. Enjoy!
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