Knoldus Blogs

An Introduction to AWS GovCloud

March 28, 2022March 28, 2022Amazon, Amazon EC2, AWS, AWS Services, Cloud, Studio-DevOps, Tech BlogsAWS, AWS Services, Devops

Reading Time: 3 minutes AWS GovCloud(US) is an isolated AWS region that is designed to host sensitive data and regulated workloads in the AWS cloud. Basically, it helps customers to support their government compliance requirements (currently only in the US). Compliance requirements related to FISMA, fedRAMP, DoD, etc of the US. FedRAMP stands for the “Federal Risk and Authorization Management Program”. DoD stands for the “Department of Defense”. FISMA stands Continue Reading

How to Create EC2 instance using Python3 with Boto3

February 24, 2022February 24, 2022Amazon EC2, Studio-DevOpsAmazon EC2, Boto3, python3

Reading Time: 4 minutes Hello Readers! In this blog we will see how we can create EC2 instances using Python3 with Boto3. So, firstly we will see what is AWS Boto3? Basically, AWS Boto3 is a python software development kit for our Amazon Web Services. Here we will see how we can do different operations on AWS services by the help of python scripts and boto3. Versions of Boto Continue Reading

How to Launch EC2 instance from AWS CLI

February 15, 2022February 15, 2022Amazon EC2, AWS Services, Studio-DevOpsAWS Services

Reading Time: 4 minutes Hello Readers! In this we will see how to launch an EC2 instance from the command line using AWS CLI. Before starting you must have AWS CLI installed on your machine and AWS must be configured. So, let’s start! Step1 : Install AWS CLI and AWS must be configured on your system. To check it use the following command. Step2 : Create your key-pair from Continue Reading

How to Configure AWS EC2 Instance Using Vagrant

February 15, 2022February 15, 2022Amazon EC2, AWS, Cloud, Studio-DevOps

Reading Time: 3 minutes In this blog I am going to explain how simply we can configuring AWS EC2 Instance Using Vagrant.Before going forward first lets understand what is Vagrant.Lets Start!! What is Vagrant? Vagrant is a tool for working with virtual environments, and in most circumstances, this means working with virtual machines. It provides a simple and easy to use command-line client for managing these environments, and an Continue Reading

How to create Windows Instance using AWS

September 23, 2021September 23, 2021Amazon EC2, AWS, AWS Services, Cloud, Studio-DevOps, Tech Blogs, Web Services

Reading Time: 3 minutes Hello Everyone ! Today we will learn, How to create windows instance using AWS, an EC2 instance using our AWS account. Although we have seen how we can create Linux instance from the AWS account. So, basically there are few steps through which you can launch your instance within few minutes. Step 1: You can simply login as a root user also. Step 2.1: Step Continue Reading

Amazon EMR

March 19, 2020Amazon, Amazon EC2, Analytics, Apache Spark, AWS, AWS Services, Big Data and Fast Data, Cloud, Database, HDFS, linux, ML, AI and Data Engineering, Spark, SQL, Studio-Scalaamazon emr, Amzon Web Services, AWS, Big Data, data engineering, elastic mapreduce

Reading Time: 3 minutes Businesses worldwide are discovering the power of new big data processing and analytics frameworks like Apache Hadoop and Apache Spark, but they are also discovering some of the challenges of operating these technologies in on-premises data lake environments. They may also have concerns about the future of their current distribution vendor. Common problems of on-premises big data environments include a lack of agility, excessive costs, Continue Reading

Distributed Transactions and Saga Patterns

July 18, 2018Amazon EC2, Apache Kafka, AWS, AWS Services, Cassandra, couchbase, Java, Microservices, Studio-Scala

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

Amazon ES – Secure your cluster from anonymous users! #2

April 16, 2018August 9, 2018Amazon, Amazon EC2, AWS, AWS Services, Database, Elasticsearch, fulltextsearch, NoSql, Studio-Scala, TutorialAWS, AWS Services, Database, elasticsearch, nosql, technology

Reading Time: 5 minutes In the previous blog, we have learned how to create a domain on Amazon ES and also how to create an index using Curl on the cluster. Now, let’s just look how we can control access to Amazon ES Domain. One of the key benefits of using Amazon ES is that you can utilize AWS Identity and Access Management (IAM) to control access to your Continue Reading

Introduction to AWS Step Function

March 26, 2018July 18, 2018Amazon, Amazon EC2, AWS, AWS ServicesAWS, lambda, step function

Reading Time: 2 minutes Step Function is state-machine based workflow coordination as a service provided by AWS. AWS provides a straightforward way for application developers to create an execution workflow to coordinate the use of multiple AWS Lambda or Amazon Elastic Compute Cloud (EC2) components in distributed applications running on the cloud. Before digging into AWS Step function, let’s take an example. You want to send an automated verification message to the new user Continue Reading

Send an Email Through the Amazon SES SMTP Interface with scala

June 23, 2017June 23, 2017Amazon EC2, AWS, AWS Services, Studio-ScalaAmazon SES, Scala Messenging, SMTP

Reading Time: 2 minutes The following procedure shows you how to use AWS Toolkit for IntelliJ to create an AWS SDK project and modify the scala code to send an email through Amazon SES. In this getting started tutorial, you send an email to yourself so that you can check to see if you received it. For further experimentation or load testing, use the Amazon SES mailbox simulator. Prerequisites Continue Reading

AWS | Running micro-services on Amazon ECS

February 16, 2017Amazon, Amazon EC2, AWS, AWS Services, Studio-Scala

Reading Time: < 1 minute Hi all, Knoldus had organized half an hour session on 27th January 2017 at 4:00 PM. Topic was Walk-through on Amazon ECS. Many enthusiasts joined and learned from the session. Below are slide and video from the session. Please let me know if you have any questions/concerns. Slide: Video : Thanks !! 🙂

Mounting EBS(Elastic Block Store) volume to EC2(Elastic Compute Cloud) instance.

February 4, 2017February 5, 2017Amazon, Amazon EC2, AWS, AWS Services, Cloud, Scala Days, Studio-DevOps, Studio-Scala

Reading Time: 3 minutes In this blog we will consider simple steps by which we can attach and mount a volume(elastic block store) to an ec2 instance. Following steps must be followed : Step 1 -> Creating an ec2 instance We will be creating a Linux instance (m4.large) which comes with Cent OS as the default operating system. Steps of creating an instance are clearly mentioned in official amazon docs, Continue Reading

AWS | Cleaning up your Amazon ECS resources

January 15, 2017Amazon, Amazon EC2, AWS, AWS Services, Studio-Scalaamazon, amazon ec2 container service, amazon ecs, amazon web services, cleaning up amazon ecs resources

Reading Time: 3 minutes In my previous blog posts on AWS (Introduction to Amazon ECS | Launch Amazon ECS cluster | Scaling with Amazon ECS | Deploy updated Task definition/Docker image), I had given an overview about what is Amazon ECS with a walk-through on how to launch Amazon ECS and then deploy sample app by creating a task definition, scheduling tasks and configuring a cluster and to scale Continue Reading