Podcast
Questions and Answers
What is the purpose of running kubeadm upgrade plan?
What is the purpose of running kubeadm upgrade plan?
- To plan the upgrade of the control plane components (correct)
- To upgrade the kubelet version
- To upgrade the kubeadm version
- To restart the kubelet service
What is the command to upgrade the kubelet on the master node?
What is the command to upgrade the kubelet on the master node?
- apt-get upgrade -y kubeadm=1.12.0-00
- kubeadm upgrade node config --kubelet-version v1.12.0
- apt-get upgrade -y kubelet=1.12.0-00 (correct)
- kubeadm upgrade apply v1.12.0
What is the purpose of running kubectl drain node1?
What is the purpose of running kubectl drain node1?
- To mark the node as unschedulable (correct)
- To upgrade the kubeadm version on the node
- To restart the kubelet service on the node
- To upgrade the kubelet version on the node
What is the command to upgrade the node configuration on the worker node?
What is the command to upgrade the node configuration on the worker node?
What is the purpose of running kubectl uncordon node1?
What is the purpose of running kubectl uncordon node1?
What is the command to update the package lists on the worker node?
What is the command to update the package lists on the worker node?
What is the primary purpose of running the command 'docker ps | grep etcd'?
What is the primary purpose of running the command 'docker ps | grep etcd'?
What is the consequence of not updating the volumeMounts for etcd-data when changing the --data-dir in the YAML file?
What is the consequence of not updating the volumeMounts for etcd-data when changing the --data-dir in the YAML file?
What is the primary goal of Kubernetes Security Primitives?
What is the primary goal of Kubernetes Security Primitives?
What is the purpose of certificates in TLS basics?
What is the purpose of certificates in TLS basics?
What is the consequence of not restarting the ETCD pod after restoring data?
What is the consequence of not restarting the ETCD pod after restoring data?
What is the relationship between mountPath and data-dir according to the provided notes?
What is the relationship between mountPath and data-dir according to the provided notes?
What is the default location where Docker stores its data?
What is the default location where Docker stores its data?
What is the purpose of Storage Drivers in Docker?
What is the purpose of Storage Drivers in Docker?
What is the command to switch to a new namespace using Kubens?
What is the command to switch to a new namespace using Kubens?
What is the purpose of the command 'docker volume create data_volume'?
What is the purpose of the command 'docker volume create data_volume'?
What is the command to see the current context using Kubectx?
What is the command to see the current context using Kubectx?
What happens if 'docker volume create' is not done before the 'docker run' command?
What happens if 'docker volume create' is not done before the 'docker run' command?
What is the purpose of Node Affinity types when there are no labels on the nodes?
What is the purpose of Node Affinity types when there are no labels on the nodes?
What happens when a pod with RequiredDuringScheduling affinity cannot find a matching node?
What happens when a pod with RequiredDuringScheduling affinity cannot find a matching node?
What is the difference between RequiredDuringExecution and IgnoredDuringExecution?
What is the difference between RequiredDuringExecution and IgnoredDuringExecution?
When is PreferredDuringScheduling affinity used?
When is PreferredDuringScheduling affinity used?
What is the main difference between Node Affinity and Taints and Tolerations?
What is the main difference between Node Affinity and Taints and Tolerations?
What is the state of a pod during the DuringExecution phase?
What is the state of a pod during the DuringExecution phase?
What is the primary function of the ip route command?
What is the primary function of the ip route command?
What is the purpose of setting the value of /proc/sys/net/ipv4/ip_forward to 1?
What is the purpose of setting the value of /proc/sys/net/ipv4/ip_forward to 1?
What is the effect of not setting the changes made by the ip addr add command to the etc/network/interfaces file?
What is the effect of not setting the changes made by the ip addr add command to the etc/network/interfaces file?
What is the purpose of the ip link command?
What is the purpose of the ip link command?
What is the difference between the ip route add command and the ip addr add command?
What is the difference between the ip route add command and the ip addr add command?
