Knoldus Blogs

Difference Between Ansible And Ansible Galaxy – Ansible vs Ansible Galaxy

December 1, 2021December 1, 2021Studio-DevOps, Tech BlogsAnsible, Config Management., Configuration, Configuration Management, configuration-tool, configurations, Devops

Reading Time: 3 minutes In this article, we will learn that what is the difference between Ansible and Ansible Galaxy (Ansible vs Ansible Galaxy). Ansible is an open-source configuration management tool. It helps in automating software provisioning, configuration management, and application deployment. As you learn more about Ansible, you will surely encounter Ansible Galaxy. However, people often fail to truly understand what this Ansible Galaxy is. Let us see Continue Reading

Springboot all possible ways to read props from Configuration file.

October 15, 2021May 23, 2022Java, Spring, spring bootConfiguration, springboot

Reading Time: 2 minutes Springboot YML/ Properties file Various properties can be specified inside your application.properties file or inside your application.yml file, the following ways to reading properties from YML or Properties file. Reading a single property Read bunch of properties then use can use @ConfigurationProperties. Read entire YML/Property file Visit following URL and here you can find more properties:https://docs.spring.io/spring-boot/docs/1.1.6.RELEASE/reference/html/common-application-properties.htmlhttps://docs.spring.io/spring-boot/docs/current/reference/html/application-properties.html In my case i’m using YML file Reading a Continue Reading

Chef Overview (Best DevOps Tool 2021!!)

September 7, 2021September 7, 2021Studio-DevOpschef, Configuration

Reading Time: 2 minutes Overview Chef Infra is a powerful automation platform that transforms infrastructure into code. Whether you’re operating in the cloud, on-premises, or in a hybrid environment, Chef automates how infrastructure is configured, deployed, and managed across your network, no matter its size. Chef is a popular tool for configuration management of IT infrastructure. Its flagship enterprise solution, Chef, is a strong choice for experienced DevOps teams who Continue Reading

Git useful commands, code management

June 9, 2020June 9, 2020Architecture, github, Studio-Scala, Tech BlogsConfiguration, git, git commands, merge, rebase, remote repositories, reset, revert

Reading Time: 6 minutes Hi all. In this blog, we will continue to explore some of the useful git commands. These commands would help when we are working on a remote shared repository. This is in continuation to my previous post on git working areas. So, I am assuming that all are familiar with git working areas, if not please go through the blog here. Let’s explore them now 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

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

Introduction to Ansible

September 1, 2017August 20, 2018Studio-ScalaAnsible, Config Management., Configuration, Devops, Management

Reading Time: 4 minutes Ansible is an open-source automation engine that automates software provisioning, configuration management, and application deployment. It lets you control and configure nodes from a single machine. What makes it different from other management software is that Ansible uses SSH infrastructure. It uses push mode, where the configuration is pushed from a master machine to nodes. Architecture Ansible has two types of servers: controlling machines and Continue Reading

Scala-IOT: Getting started with RaspberryPi without Monitor or Screen.

August 28, 2016August 29, 2016IOT, Studio-Scalabooting, Configuration, headless, internetOfthings, Jessie, linux, linux enthusiast, mqtt, nmap, raspberryPi, raspberryPi3, Raspian, Raspian Os, remote desktop, scala, scala-iot, Security, wifi, without screen

Reading Time: 7 minutes Hey folks, We are back again ! ( Did you miss me? ) A big Moriarty Fan ! 🙂 So where we left was, now we have a basic understanding of IOT i.e. Internet of things and we know which protocol it uses i.e. MQTT and why it uses it ? If you didn’t follow us till here you can check out our previous blogs Continue Reading

How to write grammar for your own language with ANTLR .? (Part -I) : Setting up the Environment( Intellij with ANTLR)

April 17, 2016April 19, 2016Studio-Scalaantlr, code language, Configuration, grammer, Intellij idea, language, lexer, listener, parser, scala, visitor

Reading Time: 2 minutes Ever wondered about this question that actually how can we write our own language? How the grammer of clojure or scala can be written.? Here is the answer , we can write grammar for our own language using ANTLR. This is a powerful tool for generating Lexer, Parser and Visitors for the grammar written by our self. So in this blog we will discuss how to configure Continue Reading

How to setup and use zookeeper in scala using Apache Curator

August 29, 2014July 24, 2018Java, Studio-Scalaapache, Configuration, curator, scala, zookeeper

Reading Time: 2 minutes In order to use Zookeeper to manage your project’s configurations across the cluster, first we will setup the zookeeper ensemble on our local machine (setup is for testing on a single machine) by following these steps: 1) Download a stable zookeeper release 2) Unpack it at three places and rename it to: /home/user/Desktop/zookeeper1, /home/user/Desktop/zookeeper2, and /home/user/Desktop/zookeeper3 3) In order to use zookeeper we will need Continue Reading

QuickKnol: Reading Configuration Files in Scala

April 12, 2012Studio-ScalaConfiguration, external files, Property Files

Reading Time: 2 minutes There are several ways of reading configuration files in Scala including the java properties way with the deprecated Configgy and quite some more. One way which is easy and comes in handy is with the Typesafe Config project which is also used in Akka. Let us quickly see how to set it up, You would need to include the following dependency in your build.sbt or Continue Reading