Debug School: Anshuman Srivastava

Assignment #3 - Day 3

Anshuman Srivastava — Mon, 25 Sep 2023 07:26:54 +0000

What is service:
Service is a type loadbalancer. It routes ( load balances) to pods having same label, with selecter label of Service.

Types of Services:

ClusterIP
- It balances service running in same nodes.
NodePort
- It balances pod running in multiple nodes. - LoadBalancer
- It interfaces with external load balancer provided by Cloud service.

Assignment - 2

Anshuman Srivastava — Fri, 22 Sep 2023 11:50:38 +0000

What is Namespaces? Explain with Image

What is Pod? Explain with Image
Pod is the atomic unit in kubernetes. It is always instantiated. It contains the container.

What is ReplicaSets? Explain with Image

ReplicaSets contains replica of a single pod. It can be scaled in and scaled out .

What is Deployment? Explain with Image

Deployment is a replicaSet, which have additional funcationality like versioning/rollout/rollin feature

Assignment-1

Anshuman Srivastava — Thu, 21 Sep 2023 09:08:19 +0000

What is Kubernetes?
Kubernetes is used for managing/orchestrating/update/delete containers in a cluster of nodes.

Why do we need it?
We need kubernetes for managing/deployment containers in various nodes. It make system downtime to around 1 sec. It will reduce manual intervention to make system up.

How it works?
It works on Master/Slave architecture.

What are the components of Master?
apiserver,controller,controller-manager,scheduler

What are the components of Worker?
kubelet,kubeproxy,