How to Install Jenkins on Ubuntu 18.04

Access Your VPS. Access your VPS using SSH. ...
Install JDK. The first Jenkins prerequisite is JDK. ...
Install a Web Server. ...
Install Jenkins. ...
Type in the Administrator Password. ...
Customize Jenkins. ...
Set the Admin Username and Password for Jenkins.

How do I download and install Jenkins on Ubuntu?
How do I install a specific version of Jenkins in Ubuntu?
Where is Jenkins installed on Ubuntu?
How do I manually install Jenkins?
Is Jenkins a CI or CD?
How do I run Jenkins locally?
How do I download a specific version of Jenkins?
How do I change my local Jenkins port?
How do I get an older version of Jenkins?
How do I start Jenkins on Ubuntu?
Where is Jenkins folder in Linux?
Where does Jenkins get installed?

How do I download and install Jenkins on Ubuntu?

Step 3: Install Jenkins

To install Jenkins on Ubuntu, use the command: sudo apt update sudo apt install Jenkins.
The system prompts you to confirm the download and installation. ...
To check Jenkins was installed and is running enter: sudo systemctl status jenkins. ...
Exit the status screen by pressing Ctrl+Z.

How do I install a specific version of Jenkins in Ubuntu?

I ran following three commands which installs latest Jenkins just fine: wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | apt-key add - echo "deb http://pkg.jenkins-ci.org/debian binary/" >> /etc/apt/sources. list.

Where is Jenkins installed on Ubuntu?

2 Answers

Typically it is /var/lib/jenkins.
dpkg -L jenkins will help you find what files does a package install.

How do I manually install Jenkins?

Step 1: Install Java Version 8. To install Java version 8 execute the below command: ...
Step 2: Install Apache Tomcat 9. In order to install Jenkins we need to deploy the Jenkins war file by using Apache Tomcat. ...
Step 3: Download Jenkins war File. ...
Step 4: Deploy Jenkins war File. ...
Step 5: Install Suggested Plugins.

Is Jenkins a CI or CD?

Jenkins Today

Originally developed by Kohsuke for continuous integration (CI), today Jenkins orchestrates the entire software delivery pipeline – called continuous delivery. ... Continuous delivery (CD), coupled with a DevOps culture, dramatically accelerates the delivery of software.

How do I run Jenkins locally?

Download and run Jenkins

Download Jenkins.
Open up a terminal in the download directory.
Run java -jar jenkins. war --httpPort=8080 .
Follow the instructions to complete the installation.

How do I download a specific version of Jenkins?

Jenkins 2 on centos/Redhat

Step 1: Install prerequisites. ...
Step 2: Install java 11 JDK sudo yum install java-11-openjdk-devel -y.
Step 3: Add the LTS Jenkins repository. ...
Step 4: Import the repo key. ...
Step 5: There are many Jenkins 2 versions. ...
Step 6: Select a specific version of your choice and install it using the following syntax.

How do I change my local Jenkins port?

Follow the below given steps to change Jenkins port no in Windows.

Go to the directory where you installed Jenkins (by default, it's under Program Files/Jenkins)
Open the Jenkins. xml configuration file.
You can find --httpPort=8080 and replace the 8080 with the new port number.
Restart your Jenkins server.

How do I get an older version of Jenkins?

How to downgrade a jenkins version by command line

First locate your jenkins.war file, most of time it is located in /usr/share/jenkins.
Rename jenkins.war to jenkins.war.old mv jenkins.war jenkins.war.old.
Now start or restart jenkins service sudo service jenkins restart.

How do I start Jenkins on Ubuntu?

This package installation will:

Setup Jenkins as a daemon launched on start. ...
Create a 'jenkins' user to run this service.
Direct console log output to the file /var/log/jenkins/jenkins. ...
Populate /etc/default/jenkins with configuration parameters for the launch, e.g JENKINS_HOME.
Set Jenkins to listen on port 8080.

Where is Jenkins folder in Linux?

jenkins_home is where your data is stored. By default, jenkins_home lives in ~/. jenkins. When you start jenkins, it looks for an environment variable to tell it where to find those files.

Where does Jenkins get installed?

For default installation location to C:\Program Files (x86)\Jenkins, a file called initialAdminPassword can be found under C:\Program Files (x86)\Jenkins\secrets. However, If a custom path for Jenkins installation was selected, then you should check that location for initialAdminPassword file.