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Apr 25, 2025 · 2 min read · How to perform a backup of the etcd datastore To back up the cluster store, or etcd, we can create a snapshot file using the CLI tool etcdctl. This lab assumes a successful installation of the etcdctl tool and that prior knowledge of what etcd is and...
Join discussionApr 18, 2025 · 2 min read · ReplicaSets are Kubernetes objects, like everything else in k8s. Their primary function is to ensure that a stable number of replica pods are always running the cluster in accordance with the spec in the YAML file. For this reason, they are instrumen...
Join discussionApr 16, 2025 · 2 min read · Examining pods Using kubectl we can examine the pods running in the cluster. The simplest way is to run this command. # Simple command to examine the pods $ kubectl get po # To get information about the pods running in a specific namespace and showi...
Join discussionApr 14, 2025 · 1 min read · To save time, and ensure the syntax and formatting are correct, a more efficient way to create a YAML file with the specs for a pod is to use kubectl and the --dry-run flag. $ kubectl run pod --image nginx --dry-run=client -o yaml > nginx-pod.yaml T...
Join discussionApr 10, 2025 · 2 min read · This is the second part of my Kubernetes installation series using kubeadm. In Part 1, I covered the environment preparation, including hardware requirements and network configuration, as well as required Linux kernel modules. In this Part 2, I'll co...
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