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How to Download and Install Jenkins on Windows Operating System.

Hello Everyone,
This is a tutorial about how to download and install Jenkins on Windows Operating System.

Jenkins is an open-source automation tool written in Java with plugins built for Continuous Integration purposes. Jenkins is used to build and test your software projects continuously making it easier for developers to integrate changes to the project, and making it easier for users to obtain a fresh build.



PREREQUISITE-
Java Development Kit (JDK) and Java Runtime Environment (JRE). Currently 1.8 and 1.11 versions are supported by Jenkins. If other versions are installed, kindly reinstall 1.8 or 1.11.

DOWNLOADING JENKINS-

Step 1) Go to the website https://www.jenkins.io/ and click on the download option.



Step 2) In the Downloading Jenkins section, select the LTS (Long Term Support) version for Windows. It is a more stable version with new updates every 2 or 3 months.



Step 3) The Jenkins windows installer will be downloaded. Once the download is complete, open the installation file.


Step 4) Select the location where Jenkins must be installed.


Step 5) Then select Run service as Local System. Though it is mentioned not recommended but when you use Jenkins for educational purpose (basically not for industry or commercial purpose), Run as Local System is a better option. Then click on Next.



Step 6) Enter the Port number and test it. Port number 8080 is default and recommended. If it is unavailable then select any other port and test it. Then click on Next.


Step 7) Browse the path of the installed JDK or JRE. If JDK or JRE is not installed, Jenkins installation will not be completed. You can also enter the path manually. Then click on Next.


Step 8) In Custom Setup, for Firewall Exception, select “Will be installed on local hard drive”. If the firewall is not disabled for Jenkins, most of the services provided by Jenkins will not run. Then click on Next.


Step 9) Now the installation process will start. Once installation is complete, click on Finish.



Step 10) Now the Jenkins files are installed. The localhost will be opened automatically on the default web browser. 

NOTE: 

1) Sometimes it takes time to load. Sometimes due to connectivity issues, Jenkins will refuse to connect. In this case reload the web page few times. 

2) In certain cases, if the installation is not done properly and some settings are not configured correctly, then Jenkins will not open on browser. You can either uninstall and then reinstall Jenkins or Go to the directory where Jenkins files are located and open the command prompt and try this command- java -jar jenkins.war


Step 11) To unlock Jenkins enter the Secret key. To find the secret key, navigate to the given location and open the InitialAdminPassword file. Copy and paste the secret key here. (In certain cases, the window's account username and password has to be entered.)


Step 12) Now enter the details required and click on Save and Continue. Kindly make a note of the details entered as you may need to enter them every time you use Jenkins.


Step 13) Jenkins URL. The default URL is already entered. It is recommended not to change the URL. In most of the cases the URL is http:localhost:8080/


Step 14) Now the installation and configuration of Jenkins is complete. You can start using Jenkins.



Dashboard of Jenkins 

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