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Version Control System is how one tracks changes, modifications, and updates to source files over time. Creating a history of changes for a project over time. Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later. Version control software keeps track of every modification to the code in a special kind of database. If a mistake is made, developers can turn back the clock and compare earlier versions of the code to help fix the mistake while minimizing disruption to all team members. Used for: Documentation Code Configuration Collaboration Other Names Include: Source Control Management (SCM) Version Control Software Revision Control Software

Container is a sandboxed process on your machine that is isolated from all other processes on the host machine. That isolation leverages kernel namespaces and cgroups, features that have been in Linux for a long time. Docker has worked to make these capabilities approachable and easy to use. To summarize, a container: is a runnable instance of an image. You can create, start, stop, move, or delete a container using the DockerAPI or CLI. can be run on local machines, virtual machines or deployed to the cloud. is portable (can be run on any OS) Containers are isolated from each other and run their own software, binaries, and configurations. Container Image: When running a container, it uses an isolated filesystem. This custom filesystem is provided by a container image. Since the image contains the container’s filesystem, it must contain everything needed to run an application - all dependencies, configuration, scripts, binaries, etc. The image also contains other configuration for t

DevOps is a field which takes skills from Software Development and Operations Engineering to create and run applications more effectively. Development + Operations == Better Services DevOps defines 5 key pillars of success: Reduce organizational silos Accept failure as normal Implement gradual changes Leverage tooling and automation Measure everything System Administator will Responsible for systems (typically servers) running code, applications, and services Keeping applications running (they crash, sometimes a lot) Updates, Security Monitoring, Logging Automates significant amounts of work with infrastructure This enables a small team to administer hundreds or thousands of servers Involved in infrastructure architecture and decisions Can be involved in QA/Development work as well.

The primary objective of Java programming language creation was to make it portable, simple and secure programming language. Apart from this, there are also some excellent features which play an important role in the popularity of this language. The features of Java are also known as Java buzzwords. Features are given below: Simple Object-Oriented Portable Platform independent Secured Robust Architecture neutral Interpreted High Performance Multithreaded Distributed Dynamic

Before the inception of Cloud Computing platforms, businesses predominantly relied on servers, databases, hardware, software, and other peripherals to take their businesses online. Companies had to buy these components to ensure that their website or applications reached the users. Besides, businesses also needed a team of experts to manage the hardware and software, and to monitor the infrastructure. While this approach was practical, it came with its unique issues, like the high cost of setup, complex components, and limited storage space, to name a few. Cloud Computing was created to address these problems.

React is a declarative, efficient, and flexible JavaScript library for building user interfaces. It lets you compose complex UIs from small and isolated pieces of code called “components”.

 REST API presentation will present you how to create a Representational state API in an easy way.