Insights and Perspectives to keep you updated
Reading Time: 2 minutes Introduction The Simple Notification Service (SNS) is used as a publish and subscribe messaging service. But what does it mean? SNS is centered around topics and you can think of a topic as a group for collecting messages. Users or endpoints can then subscribe to this topic and messages or events are then published to that topic. When a message is published, all subscribers to Continue Reading
Reading Time: 4 minutes With the continuing growth of microservices and a cloud best practice of designing decoupled systems, it’s important that developers have the ability to utilize a service or system that handles the delivery of messages between components and this is where SQS comes in. Amazon SQS (Simple Queue Service) is a fully managed service offered by AWS, that works seamlessly with server-less systems, microservices or any Continue Reading
Reading Time: 3 minutes HAWK is a Rust based Image Recognition project, which implements a two-factor authentication by using the RFID card for user identification and Image for user validation. In this project, we have used AWS services and the whole AWS infrastructure required by this project is automated using Terraform (a tool for building, changing, and versioning infrastructure safely and efficiently).
Reading Time: 4 minutes In my previous blog, we discussed the setup of Grafana-Graphite for JMX monitoring. Now we will create a first Grafana dashboard where we will create Grafana queries to visualize JMX metrics stored in Graphite. As we know, Grafana UI runs on http://localhost:3000/ by default so let’s open the URL in the browser with the default username and password which is admin: admin After login either Continue Reading
Reading Time: 4 minutes Introduction In this blog post we shall be discussing on AWS:AssumeRole approach for obtaining temporary security credentials using STS(Security Token Service) end to end setup. Temporary Security Credentials (consisting of access key id, secret access key and a security token) enables you to have an access to AWS Environment for a specified duration. It solves use cases like cross account access and single sign-on to Continue Reading
Reading Time: 2 minutes Introduction AssumeRole and Federation are two widely used approaches provided by AWS to facilitate authorization of cloud resources via Identity Management System (IDMS). In this post, we will describe the Federation and AssumeRole approaches and their integration. We will also see how they are different, and finally, conclude which one serves better. FEDERATED USERS Federated Users(external identities) are users you manage outside of AWS for Continue Reading
Reading Time: 2 minutes In my previous blog, we discussed how to monitor a Kafka stream application using Grafana and Graphite. In this solution, we used jmx2graphite as a metrics exporter which takes the metrics from the Jolokia URL where Jolokia exposes the JMX metrics and pushes those metrics to Graphite. But, there is a problem with this solution that we need to deploy one jmx2graphite per service. So Continue Reading
Reading Time: 3 minutes Amazon S3 has a simple web services interface that you can use to store and retrieve any amount of data, at any time, from anywhere on the web. This blog describes : how you can create buckets on S3, getting credential keys, where should you keep your credential keys. CREATION OF BUCKET First of all, you need to sign up in aws S3 after that Continue Reading
Reading Time: 2 minutes In this blog, I am going to showcase how to create an infrastructure on AWS using Terraform. Let’s have a brief introduction of Terraform before jumping to the particular use-case. What is Terraform? Terraform is an infrastructure provisioning tool created by Hashicorp. It allows you to describe your infrastructure as code, creates execution plans that outline exactly what will happen when you run your code, builds Continue Reading
Reading Time: 2 minutes In this blog, I will be demonstrating how to create an AWS instance and how to deploy your play application on that AWS instance using Ansible. First let’s see how to make an AWS instance:- Login to AWS console Click on launch instance on top and select the free instance Select the machine which you want to set up. Click on Configure Instance Details -> Continue Reading
Reading Time: 4 minutes DynamoDB is a part of Amazon Web Services. It is a NoSQL database, which supports key-value and document data structures. In this blog, we will be discussing Core components of DynamoDb. Features of DynamoDb: It is a fully managed NoSQL database. It can store & retrieve any amount of data, and can serve any amount of traffic. To maintain fast performance, it distributes data Continue Reading
Reading Time: 6 minutes In a Knolx session organized by Knoldus, we discussed the idea of following Saga Patterns. For that to be more accessible, I’d like to share the session with the help of this blog. Service-oriented architecture has given us enough advantages to be a predominant architecture in our Industry, but it can’t be all sunshine and rainbows. There are use cases where monoliths are not only Continue Reading
Reading Time: 3 minutes Hi readers, this is my second blog on AWS lambda, I covered the basics in my previous blogs. Now we will focus on the implementation part. Before starting, please keep a check on these things: Prerequisite Setup your AWS account, click here Understanding what AWS Lambda is? click here All set let’s start.
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Knoldus is the world's largest pure-play Scala and Spark company. We modernize enterprise through cutting-edge digital engineering by leveraging Scala, Functional Java and Spark ecosystem. Our mission is to provide reactive and streaming fast data solutions that are message-driven, elastic, resilient, and responsive.
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