Error Messages The guest additions on this VM do not match the install version of VirtualBox. detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd” Unable to
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Error Messages The guest additions on this VM do not match the install version of VirtualBox. detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd” Unable to
Continue reading »When you run kubeadm init to create a token for the cluster, cgroup driver error appears as below. [email protected]:~# kubeadm init –apiserver-advertise-address=$IP_ADDR –apiserver-cert-extra-sans=$IP_ADDR –node-name $HOST_NAME –pod-network-cidr=193.168.0.0/16W0416 21:25:59.142906 10872 configset.go:202] WARNING:
Continue reading »When you run the kubeadm command to join to token on master node, you can receive an error as “kubelet folder is missing”. You must install “kubelet” manually on worker
Continue reading »If you have multiple interface IP addresses on your master node and configured kube api-server with one of them. You can receive the certification error, the reason is certification is
Continue reading »This is a permission error with the “admin” user. [email protected]:~$ kubectl get pods -n kube-systemUnable to connect to the server: x509: certificate signed by unknown authority (possibly because of “crypto/rsa:
Continue reading »An SSH client is generally not distributed with Windows by default. Because of this, if you are on Windows, Vagrant will instead output SSH authentication info which you can use
Continue reading »When a node is started with the “vagrant up” command, error below appeared about the Guest Additions version mismatch. k8-master1: Checking for guest additions in VM…k8-master1: The guest additions on
Continue reading »This includes the steps to implement a worker node using the ubuntu/xenial64 (16.04.6 LTS) image with Vagrant, and VirtualBox on Windows 10. Initialize the current directory to be a Vagrant
Continue reading »A single master cluster has one master node and can easily fail, while a multi-master cluster uses multiple master nodes, any of them has access to all worker nodes in
Continue reading »Vagrant is a tool for building and managing virtual machine environments in a single workflow. Vagrant provides a simple and easy to use command-line client for managing these environments, and
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