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Through continuous integration, various stages of DevOps can be integrated. Jenkins is a tool that can be used to integrate these stages of DevOps, it is quite popular these days. This Jenkins Tutorial step by step guide will cover the introduction part and some other details like features or benefits of using Jenkins. Jenkins was only an open-source continuous integration tool at the time of its launch but now after the version update of Jenkins, it has become continuous integration and a continuous delivery tool that can organize the application deployment phase too.
The objective of this Jenkins guide for beginners is to cover maximum facts about the tool and how it supports continuous integration or continuous deployment for various IT projects. Get enrolled in an exquisite training journey and get practical-based learning of Cloud environment, DevOps methodologies, Jenkins and a lot more from our professional DevOps Certification Course and Training Program.
Let's start with an introduction to one of the most popular DevOps tools that are popular as Jenkins. Jenkins wiki is an open-source tool that has many plug-ins and it is written in Java. The Jenkins wiki tool was launched to build and test software projects in an easy way.
Developers can easily integrate application changes with this tool to help the user to obtain a fresh build. The software can be tested and delivered continuously with the help of various integration and deployment technologies. Give a boost to your career by enrolling in our top-notch Cloud Computing Certification Courses to get a well-rounded Cloud knowledge before knowing how to use Jenkins.
Through automation, software developers can accelerate the process of software development. Jenkins mainly integrates all the stages of the software development lifecycle are documentation, packaging, testing, deployment, static analysis, and other ones.
Jenkins plugins help the developers in providing continuous integration and various stages can be integrated through Jenkins. To integrate any specific tool like Git, Amazon EC2, Manen 2 project, HTML publisher, etc. you can download the appropriate plugin and integrate the tool. It is a basically advantageous tool and the reason for the advantages of Jenkins is:
Have you ever heard about Jenkins Certification? Here is the Complete Guide to Jenkins Certifications in 2022.
So far, we have discussed that Jenkins is a continuous integration tool, now let's take a quick look at this most used DevOps concept and what is Jenkins used for. In the case of continuous integration, there is a shared repository in which developers can perform multiple changes even throughout the day and save them right there. As soon as the changes are committed, it gets stored in the repository and the team can easily detect if they found any problem due to that change.
Apart from the changes, there are several other operations like deployment of the application, testing it on the server, and providing it to the relevant teams after building and testing the results. All these steps can be performed as and when required by the DevOps team easily in a quick manner.
There are several continuous integration tools in the market that make the DevOps task easier and efficient. For the following metrics Jenkins is considered as best of them:
Jenkins is a highly demanded tool globally and it can provide continuous integration just due to the availability of various plugins for several tools.
Check how to configure different tools in Jenkins from this blog on Jenkins Configuration.
In the case of the software development lifecycle, the application has to be built and deployed on the test server for testing purposes by the team members. It is quite a popular and easy-looking process for application development, but at the same time, this process has several flaws that need to be resolved. The so-called and mostly noticed flaws are like:
In short, we can say that as a result not only the delivery process gets slow but even the quality of the application can also be degraded due to all of these reasons. As a result, customer dissatisfaction may result. So, a platform that can overcome all of such shortcomings of the process as required by the developers can provide the facility of continuous development and testing of the application, so that every change made to the source code can be triggered and altered. This process is known as CI and Jenkin tool is the one that can provide all of such CI features.
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Let's see how Jenkins helps the developers and testers. The following diagram shows the continuous integration with Jenkins:
Above diagram shows the complete process of continuous integration that takes place in Jenkins:
Now that we have understood the working of Jenkins now let’s see what changes it has made from the earlier way of releasing and deploying an application. In the following scenario that is for before and after Jenkins:
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Jenkins build job should be triggered automatically for any push or whatever hooks created. Here are the easy ways to know about Jenkins Build Set-up right from this blog.
For a distributed environment, Jenkins uses master-slave architecture to manage the builds. Here TCP/IP protocol is used to manage communication between master and slave units. Jenkins master and slave have the following responsibilities:
Main Jenkin server is the master that has the following responsibilities:
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Jenkin Slave is a Java executable instance that is basically a remote machine. Jenkin slave has the following characteristics:
Let us understand the Jenkins architecture with the help of an example. In the following diagram, there is one master and three Jenkins slaves. Let us see how they are connected.
Moving ahead, let us see how you can use Jenkins for testing in different environments like Ubuntu, Windows, or MAC, etc. The following diagram represents the same.
GitHub is a cloud-based service that is highly useful to developers for both the management and storage of their code besides keeping track of the changes and controlling them simultaneously. Learn how to use GitHub in a few simple steps from this blog.
The following things are taken care of in the given diagram:
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Jenkins pipelines are used to check which task is executing currently. Usually, multiple changes are made by different developers and it is necessary to know which changes have been tested and which changes are in the queue. There are three options available when building a project using Jenkins. These are:
DevOps enthusiasts are generally looking to explore different tools that are frequently used in the workplace. Read this blog on the Jenkins Cheat Sheet before turning into a DevOps professional.
Jenkin is a continuous integration tool provides following features for the application deployment:
Through a DSL Jenkins has introduced a version builder that can help you to build, test and deploy various code pipelines. These pipeline scripts are easy to write, manage and execute. Parallel builds can be executed through these pipelines. You must have control over how and what you are going to build.
Jenkins provides better UI/UX so that users can easily visualize the flow and can easily configure passwords as and when required. You can also get a great view of Jenkin pipelines. The visual editor can be used to check and view these pipelines. The plugins are more safe and more secure as well.
The Jenkins Next Generation plugin helps in analyzing code, collects all warnings, and helps in visualizing the records through pie charts and graphs. Here are the easy ways for Jenkins Code Analysis to make you successful.
Jenkins can be installed on both Unix and the Windows platform. Here, we will focus on the installation of Jenkins on Windows.
Before you start with the Jenkins installation, there are some prerequisites to follow for the tool in your system.
Jenkins is installed on the central server where your current builds are already taking place. Learn to configure Jenkins on Ubuntu Linux from this blog.
The following steps can help you to download Jenkins successfully.
Are you looking forward to checking your knowledge in DevOps? Take this Quiz on DevOps to test your knowledge.
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DevOGetting Started with Jenkins – Create your first build with the Freestyle Project
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No wonder businesses across the globe are switching over to Devops-related technologies for smoother delivery of software-based products and services. Leading job portals like Indeed, have registered a 75% job rise for DevOps professionals. Building a career in DevOps will show you up as a Release Manager, DevOps Cloud Engineer, DevOps Test Engineer and finally a DevOps Architect. The average salary of a DevOps professional ranges from 4.2lacs- 12.4lacs as per AmbitionBox. Tech giants such as Accenture, Barclays, and Facebook are always looking for skilled DevOps professionals, and qualified DevOps engineers are among the highest-paid professionals.
DevOps has made the software development and deployment process quicker and easier, but for this, you may need certain tools. Jenkins is one of the most used DevOps tools that can ease operations by providing multiple plugins and an effective interface. Better UI tools like Jenkins are there to make the DevOps process easier. As it is an open-source tool so it can be used by anyone.
This Jenkins Tutorial For beginners presents a sound idea of the tool and how it can be used by industries for CI/CD. Also, you can create your first project using this Jenkins Tutorial step-by-step guide. To know more about DevOps and the related tools, you should join the DevOps Certification Program at JanBask Training and explore your learning with the brightest minds.
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