PinnedKubernetes Workflow for Absolute BeginnersHello Everyone, let’s discuss the kubernetes workflow. Whenever we are executing any command let’s say “kubectl create pod nginx”, how the pod request work in the backend and how a pod is got created: The request is authenticated first and validated. The “kube-api-server” creates a POD object, without assigning it…Create Pod In Kubernetes2 min readCreate Pod In Kubernetes2 min read
Aug 31, 2022What is Splunk and how does it work?Splunk is an ultimate log collection and analysis tool, which allows users to perform real-time Server monitoring. Characteristics of Splunk: Splunk collects all the logs from servers or instances and forwards them to a remote instance. Format the logs in Human Readable and understandable format. Send Alert Notifications. Store Historical data and logs…Splunk5 min readSplunk5 min read
Feb 18, 2022Rolling Updates and Rollbacks in KubernetesWhat is Rollout and Versioning in Kubernetes: To understand the Rolling updates and Rollbacks in Kubernetes, we first need to understand, what is Rollout and Versioning in Kubernetes. When we first create a deployment, it triggers a rollout and a new rollout creates a new deployment revision (Let’s call it revision1 for our understanding). In the future…Rollbacks6 min readRollbacks6 min read
Published in FAUN Publication·Feb 11, 2022What is Dockerfile and how does it work?Dockerfile is a script, composed of various commands (instructions) and arguments listed successively to automatically perform an action on a base image in order to create (or form) a new one. It is used to build or run Docker image by giving some instructions to customize am existing Docker image…Dockerfiles6 min readDockerfiles6 min read
Published in FAUN Publication·Feb 4, 2022Multiple Schedulers in KubernetesKubernetes ships with a default scheduler, which determines which Nodes are valid placements for each Pod as well as consider the various conditions, we specify through taints & toleration, node affinity, node selector, etc. But what if the default scheduler does not suit our needs? Say, we have a specific…Kubernetes4 min readKubernetes4 min read
Published in FAUN Publication·Jan 28, 2022Static Pods in KubernetesAs we know, A Kubernetes cluster is consist of many Control Plane components, like ETCD, Kube-Scheduler, Kube-Apiserver, Controller Manager, Etc. The Kubelet relies on the Kube-Apiserver for instructions on what Pods to load on the node, which is based on a decision made by the Kube-Scheduler, which was stored in…Kubernetes5 min readKubernetes5 min read
Jan 21, 2022Daemon Sets in KubernetesDaemon sets are like ReplicaSets in Kubernetes, as it helps us to deploy multiple instances of a pod same as ReplicaSets but in a different manner. Where ReplicaSets helps us to deploy multiple instances of a pod as per our requirements, DeamonSets ensure that one copy of the pod is…Daemonset4 min readDaemonset4 min read
Jan 18, 2022All About Kubernetes ServicesAll About Kubernetes Services In this series we will understand what is Kubermetes Services and how if works and how it helps us to achieve our goal.technos.medium.comKubernetes1 min readKubernetes1 min read
Jan 15, 2022Node Selectors in KubernetesIn a newly created Kubernetes cluster, as per default setup a pod can be scheduled on any of the worker node in the cluster. But there are some circumstances, where we may need to control which node the pod deploys to. For ex: Let’s say we have a different kinds…Kubernetes2 min readKubernetes2 min read
Jan 8, 2022Node Affinity In KubernetesThe primary purpose of the node Affinity feature is to ensure that pods are hosted on particular nodes. It provides us with advanced capabilities to limit the pod placement on specific nodes. For eg. let’s say we have different kinds of workloads running in our cluster and we would like…Kubernetes4 min readKubernetes4 min read
