To Install Jenkins On Linux mint 20.2

Introduction :

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.

Installation procedure :

Step 1 : Check the OS Version by using the below command

root@linuxhelp:~# lsb_release -a
No LSB modules are available.
Distributor ID:	Linuxmint
Description:	Linux Mint 20.2
Release:	20.2
Codename:	uma

Step 2 : Open the browser and type Jenkins download in the web browser

Step 3 : This is the Jenkins package. Download the web page by clicking on .war package it is easy to download. Step 4 : Get into the Downloads package by using the below command

root@linuxhelp:~# cd /home/linuxhelp/Downloads/

Step 5 : Long list the download directory by using the below command

root@linuxhelp:/home/linuxhelp/Downloads# ls -la

total 70564
drwxr-xr-x  2 linuxhelp linuxhelp     4096 Jan  7 06:04 .
drwxr-xr-x 17 linuxhelp linuxhelp     4096 Jan  7 06:03 ..
-rw-rw-r--  1 linuxhelp linuxhelp 72247484 Jan  7 06:04 jenkins.war

Step 6 : Run the following command to install the Jenkins.war file. Here We can see the admin password generated for the Jenkins login

root@linuxhelp:/home/linuxhelp/Downloads# java -jar jenkins.war 
Running from: /home/linuxhelp/Downloads/jenkins.war
webroot: $user.home/.jenkins
2022-01-07 00:35:29.859+0000 [id=1]	INFO	org.eclipse.jetty.util.log.Log#initialized: Logging initialized @826ms to org.eclipse.jetty.util.log.JavaUtilLog
2022-01-07 00:35:29.966+0000 [id=1]	INFO	winstone.Logger#logInternal: Beginning extraction from war file
2022-01-07 00:35:31.603+0000 [id=1]	WARNING	o.e.j.s.handler.ContextHandler#setContextPath: 
2022-01-07 00:35:33.057+0000 [id=1]	INFO	hudson.WebAppMain#contextInitialized: Jenkins home 

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Jenkins initial setup is required. An admin user has been created and a password generated.
Please use the following password to proceed to installation:

bd3b6972ea5146df89c878f25644d376

This may also be found at: /root/.jenkins/secrets/initialAdminPassword

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2022-01-07 00:36:17.842+0000 [id=29]	INFO	jenkins.InitReactorRunner$1#onAttained: Completed initialization
2022-01-07 00:36:17.887+0000 [id=22]	INFO	hudson.WebAppMain$3#run: Jenkins is fully up and running
2022-01-07 00:36:18.913+0000 [id=44]	INFO	h.m.DownloadService$Downloadable#load: Obtained the updated data file for hudson.tasks.Maven.MavenInstaller.

Step 7 : Open the web browser and type localhost:8080 to enter into the jenking admin console page. Step 8 : This is the Admin console page here we need to enter the password which was generated. Step 9 : This is the page we can select the plugins to install Step 10 : In this page we can see that the plugins are downloading.