Knoldus Blogs

Terraform: Enabling developer to create and manage deployment through code

March 14, 2018Amazon, Architecture, AWS, Cloud, Studio-DevOpsDesign, technology

Reading Time: 2 minutes In this blog post, We will walk you through Terraform which is a tool for building, changing, and versioning infrastructure safely and efficiently. Terraform enables the developers to properly manage the infrastructure through code. The set of files used to describe infrastructure in Terraform is simply known as a Terraform configuration. These files have extension .tf. Configuration files describe to Terraform the components needed to Continue Reading

Introduction to Google Kubernetes

March 13, 2018August 20, 2018Studio-DevOps, Studio-Scala

Reading Time: 3 minutes Over the past two years, Containerization has provided a lot of flexibility to the developer in which most popular container technology is docker. Container provide the developer a virtual environment for isolated process or application on the host system. Before everything else lets take a look what used to happen in past. Earlier when the number of systems for running application were limited they were Continue Reading

A WalkThrough with AWS Lambda

March 4, 2018July 19, 2018AWS, AWS Services, JavaAWS, AWS Lambda, SAM

Reading Time: 4 minutes Serverless Architecture Serverless is an application framework for building a serverless application without having to worry about managing infrastructures. It is based on the principle of third party service (BaaS) and on custom codes which run on a container(FaaS). Serverless architecture doesn’t mean we don’t have a server. With the serverless architecture, we still have a server to run our application, it’s just that Continue Reading

Introduction to AWS DynamoDB

March 4, 2018July 19, 2018AWS, AWS Services, DatabaseAWS, Database, DynamoDB

Reading Time: 4 minutes DynamoDB is a database service provided by Amazon. Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. You can use it to store and retrieve any amount of data without worrying about hardware provisioning, setup & configuration, replication, software patching, or cluster scaling. It mostly takes care of these things itself while also providing options to configure these Continue Reading

Jinja2 Template: The modern design friendly templating engine

February 6, 2018August 20, 2018Studio-DevOps, Studio-ScalaConfiguration, Devops, jinja, jinja2, python, templating

Reading Time: 3 minutes Jinja2 is a modern and design friendly templating engine for Python programming language. Jinja2 is a library for Python that is flexible, fast and secure.Jinja can generate any text-based format (HTML, XML, CSV, JSON, etc.). It can generate different documents based on one or more predefined templates. It is also used as a part of the backend of the websites where we need to create Continue Reading

APIGEE-EDGE: Playing With The Policies(Part1).

January 18, 2018January 18, 2018Studio-DevOps, Studio-ScalaAPI, Apigee, deployment, Microservices, Policies, Request-Response, technology, Web

Reading Time: 7 minutes Hi all, In one of my previous blogs, I discussed Apigee, what it is and why is it required? We also discussed the various features and benefits of having Apigee. We saw how to deploy a proxy through the code rather than the Apigee UI deployment feature and many more. So if you like you can go through the basics of Apigee here Getting started Continue Reading

Do GIT Right – The 10 commandments!

January 15, 2018September 12, 2018github

Reading Time: 4 minutes In this blog post, I’ll be sharing with you the 10 commandments for doing GIT right. Let’s get to it! 1. The KISS principle – Keep It Simple Silly! Commits should be small, clear and precise. For e.g., two different bugs should have two different commits. If there is a task that requires touching multiple files, break those changes into small logical commits with neat Continue Reading

DC/OS Installation experience on Local Cluster

January 1, 2018September 12, 2018cluster, Studio-DevOpscluster, DCOS, experience, installation, installing, opensource

Reading Time: 4 minutes Recently got the task to install DC/OS on our local cluster. Previously I used AWS to install DC/OS, but this time I had to do everything on our own, from installing CentOS to creating the DC/OS cluster. With this blog, I am going to share my experience that I faced in installing DC/OS. It took almost three days, but at the end I successfully installed Continue Reading

A step-by-step guide for protecting sensitive data in docker

December 11, 2017August 20, 2018cluster, Studio-DevOps, Studio-Scaladocker

Reading Time: 4 minutes Managing the password, access tokens and private keys are being tedious in the application. Any small mistakes accidentally expose all the secret information. Even storing such thing in docker images can be easily accessible one should just run the image in the interactive mode container and all your application code is available in containers. Docker provides secrets to protect all secret data. This blog explains Continue Reading

One-way & two-way streaming in a Lagom application

November 27, 2017July 24, 2018Akka, Big Data and Fast Data, Functional Programming, github, Java, Messages, Reactive Application, Streaming, Studio-Scala, Web Services

Reading Time: 2 minutes Now a days streaming word is a buzz word and you should have heard many types of streaming till now i.e. kafka streaming, spark streaming etc etc. But in this blog we will see a new type of streaming i.e Lagom-streaming. Lagom-streaming internally uses Akka streams, with the help of which we will see one way & two way streaming. But before going forward, it Continue Reading

Getting Started with Ansible

October 21, 2017September 12, 2018Studio-DevOpsAnsible, Configuration, Devops, Management

Reading Time: 4 minutes What is Configuration Management? Before starting with Ansible let’s discuss what configuration management is. Configuration Management (CM) is the process of handling changes in any system systematically, and it maintains the consistency of the product. It retains its consistency because it is applied over the entire lifecycle of the system. Configuration Management provides the capability of controlling and monitoring the performance of the system. Using Continue Reading

Getting Started With Mesos

October 8, 2017Studio-DevOps, Studio-Scaladeployment, installation, mesos, resource manager

Reading Time: 2 minutes In our earlier blog Introduction to Mesos , we have talked about basic idea of Mesos. And How it works and its basic terminology. Till now we have discussed the theoretical concepts to get ourselves familiar with Mesos and now we will be going to install the mesos and see how we can monitor mesos using UI, So let’s get onto it. Step1: Download Mesos Continue Reading