In this article we are going to discuss how to configure Azure blob storage as sftp server. Knowing the fact that Azure blob is used as a massively scalable and secure object storage for cloud-native workloads. To check more details about the Azure Blob kindly check this URL. Following are the steps we need to follow in order to configure Azure blob storage as sftp server. 1.Create storage account:First of all you need to have the storage account. If not you can create the new storage account. To create the storage account click on the “Microsoft Azure” on the top left corner once you logged ..read more

Plotly is the library using which we can generate the interactive graphs which are good visualisation. Using this visualisation we can draw some conclusion or it will make us easy to conclude something by looking at the chart or graphs. In the normal scenario it becomes really difficult to arrive at the decision simply looking at data values. In this post we are going to learn how to use scatter plot using Plotly library in Python. The data points  we are going to fetch from the API. Here the API link is “https://covid19-mohfw.herokuapp.com/“. This API  is the public API for COVID-19 ..read more

Nowadays the whole world revolves around API. So get into the API world today I am going to explain to you “How to Create simple API using FastAPI in Python”. About FastAPI: FastAPI is a framework written in Python 3. FastAPI also gives you the flexibility to provide you Swagger UI documentation which helps you if you are working in a multimember team or to give it a front-end team.  Also, you don’t need a tool like Postman to test your API. It’s really easy to code your API if you know a little bit about Python. To check more details on the same please check this link Pre-requisite for F ..read more

In this article we will discuss about, how to drain node in Kubernetes cluster. For maintenance activity such as patching etc.  requires downtime. In order to carry out such activities without impacting applications running within cluster, we need to follow some step by step command. We will discuss those commands in this article for impact less maintenance. How to drain node in Kubernetes cluster? Pre-requisite: We have got Kubernetes cluster with one master node and two worker node as below: $ kubectl get node NAME STATUS ROLES AGE VERSION k8s-control Ready master ..read more

In this article we will be discussing more about Kubernetes namespaces. Basically we will try to understand what is Kubernetes namespace, how to create it and use it in real scenario. What is Kubernetes namespaces? Kubernetes namespaces is a virtual cluster being created within the actual Kubernetes cluster. This will bring separation between the different Kubernetes objects such as Pods, deployments and service etc. This will comes handy in order to separate your cluster environment wise or among the different teams. How to create Kubernetes namespaces: Basically there are two methods by whic ..read more

This article will guide you about how to create HostPath persistent volume in Kubernetes. You might be knowing that data in the Pod exists till the life time of the Pod. If the Pod dies all your data that belongs to the Pod is also goes away along with Pod. So if you want to persist your data beyond the life cycle of the Pod then you must have some thing called as a Persistent volume in Kubernetes. So lets study how to How to create HostPath persistent volume which is very easy to experiment. Also to gain knowledge about the fundamentals about the Persistent volume. There are following types o ..read more

In this article we are going to learn  how to configure ingress controller in kubernetes so that we could run multi domain or subdomain application within same kubernetes cluster. In this demo we are going to run application with domain “nginx.example.com” and other two subdomain called tea.myshop.com and coffee.myshop.com in kubernetes using Nginx ingress controller. Please note that, these domains and subdomains are local domains. To show case this demo about “How to configure ingress controller in kubernetes” I am using lxc containers install on Ubuntu(Bare-metal installation). Basica ..read more

This article will guide you about how to migrate helm v2 to helm v3 along with currently running resources in the environment. In my previous article we have seen how to install helm version 2. Now in this article we are going to migrate currently running helm v2 configuration and its running resources to helm v3. To perform migration of helm v2 to helm v3 we are going to install plugin called 2to3 in the helm3. Steps to migrate helm v2 to helm v3: Check currently running resources in helm v2 # helm ls NAME REVISION UPDATED STATUS CHART A ..read more

This article will explain you about helm commands along with commonly used options. You may treat this article as helm commands cheat sheet. I have explained widely used helm version 2 command in this article. In case you want to learn about  how to install helm version please follow this article. So here the helm commands cheat sheet list for quick go through: helm help In case you want any help on command available with helm. # helm help Lets suppose you want more details about any command option you can use helm help <command> as below. Here in the below case we taken help on ..read more

This article will guide you on how to install helm in kubernetes cluster. You might be aware that Helm is the package manger that can be deployed in kubernetes. Using Helm you can deploy application and manage them easily.To read more about the helm please follow this link. To show case the demo, we are going to install helm version 2 so that later may be we can see other post which can guide us on how to migrate to helm version 3. Steps: Create the service account required. # kubectl create serviceaccount --namespace kube-system tiller serviceaccount/tiller created  Create the clust ..read more