
Jenkins is a complete open source continuous Integration Server, which can orchestrate a chain of actions, for getting a continuous Integration process, in an automated way.
Jenkins is scripted in Java and Free to use, it is the most used app around the world, which has more than 1000k Installations and Increasing Daily. It Needs a Web server like apache tomcat and server to depend on the app.
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Due to its monitoring and Repeated tasks that arise during the development of a project, It is so popular. For instance, if your team is working on a project. It continuously checks your project designs and it shows your errors in starting stages of your Development.
With the help of Jenkins, software companies can update and accelerate their software development process, where it automates design and test with a complete Rate. It supports the total development life cycle of software from designing, testing and reporting the software, deploying and some other sections of the software development life cycle.

1.History of Jenkins
1. A Java developer Kohsuke Kawaguchi, from SUN Microsystems, made a code and fixed errors. In 2004, he designed an automation server known as Hudson, that automate test and build the task.
2. In 2011, the open Source Hudson re-named as Jenkins.
3. Jenkins and Hudson worked independently. But in a short time, it has got many projects under its platform and it became more popular than Hudson.
2. What happened after Jenkins Came into the IT World ?
1. The development Cycle became faster, and new features are available to users, and It increased the profits.
2. The code will deploy after every successful test and Build.
3. The automated test process will save time and Decrease projects.
4. Where the code made after every commit of a single Developer. It is simple for detecting which code it was built to fail.
5. The code made fast after any Developer commits it.
6. If the Design Fails, then it will select the errors to the Developer team.
7. If the Design was successful, then it deploys, the source into the test server and it notifies the deployment group.
8. The code tested and made as soon as the developer commits the code. Then Jenkins will make and test the code as many times as they can.
3.Plugins in Jenkins:
1. Inbuilt, it comes with a set of Features if you need to communicate and Integrate your Jenkins Installation, with a version control tools such as Git. Then you must install Plugins that related to Git.
2. In fact, the Integration with many tools, such as Maven and Amazon EC2, you must update and Install some respective plugins in Jenkins.
4.Advantages of Jenkins:
1. It handled by a set of communities, that is open. Each month, they get some public meetings, and they take some inputs such as the development of Jenkins projects.
2. It has more than 1000 plugins, that published in its public database, with plugins, it becomes more and more powerful.
3. It supported by cloud-based design, by that, it can deploy Jenkins in best cloud-based platforms.
4.The main reason behind, why Jenkins more popular, that it is designed by developers to developers. We have many advantages by using this CI Tool, and we get more data by this tool.
5.Backdrops of Jenkins:
1.CI (continuous Integration) generally breaks due to small changes in Settings modifications. If CI paused, it needs some developer checks.
2. It is difficult to configure and Install.
3. Jenkins is not easy to maintain, because it runs on the server and needs some skills, such as server admin to check the activity.
4. Its total Interface outdated and not user-friendly when we compare it with some present trends in UI.
6. How does Jenkins work?
It is free like a Java 8 WAR archive, and the Installer package is the main operating system, like a Docker image and homebrew package source code. The source code is completely in Java.
We can Run Jenkins WAR or a servlet in Java app server like Tomcat. It produces a web user interface and it accepts the call to REST API. If you run it for the First time, it designs an administrative user with a long passcode.
These are the best-known facts and Data on Jenkins in upcoming blogs we will update more data on this topic.