Jenkins Installation

By mikado on

Jenkins on Windows

Step 1:

Set up Custom TCP port: 8080 (AWS Security Groups) and connect (RDP) to your Windows machine

Step 2:

Install JDK (Java Development Kit) Java 11.0.14 for Windows
Java SE JDK 11.0.14 Download

Step 3:

Set environment variables for JDK
System Properties > Advanced > Environment Variables > New

JAVA_HOMEC:\Program Files\Java\jdk-11.0.14
PATH%JAVA_HOME%\bin

Step 4:

Install Jenkins

Step 5:

Run Jenkins localhost:8080 and enter initial admin password from:

C:\Users\mika\AppData\Local\Jenkins\.jenkins\secrets\initialAdminPassword

If the account can’t Logon as service, set in:
Admin Tools > Local Security Policy > Local Policies > User Rights Assignment > Logon as a service

Jenkins on Linux

Ubuntu

Debian based like Linux Mint, Kali Linux –> APT

Amazon Linux 2

Amazon Linux2 (RedHat [RHEL] based like CentOS, Oracle Linux, Fedora) –> YUM

/root/.jenkins

Step 1:

Set up Custom TCP port: 8080 (AWS Security Groups) and connect (SSH) to your Linux machine

Step 2:

Update packages (yum or apt)

sudo yum update
sudo apt update

Step 3:

Check Java is installed.
If not install java

java -version
sudo yum install java-1.8.0
sudo apt install openjdk-8-jdk

Step 4:

Download latest Jenkins code package

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
sudo wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add  
sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list' 
sudo apt update 
sudo apt install jenkins

Step 5:

Import a key file from Jenkins-CI to enable installation from the package

sudo rpm --import http://pkg.jenkins-ci.org/redhat/jenkins-ci.org.key
sudo yum install epel-release

Step 6:

Install Jenkins

sudo yum install jenkins

Step 7:

Start Jenkins

sudo service jenkins start

Step 8:

Access Jenkins server using port 8080. In the initial password from /var/lib/jenkins/secrets/initialAdminPassword

sudo cat /var/lib/jenkins/secrets/initialAdminPassword

Considerations

  • To start jenkins on a diff port Update port number in /etc/sysconfig/jenkins

To fetch initial admin password

sudo su –
cat /root/.jenkins/secrets/initialAdminPassword
cat /var/lib/jenkins/secrets/initialAdminPassword

To stop Jenkins

sudo service jenkins stop

To uninstall Jenkins

sudo service jenkins stop
sudo yum remove jenkins
sudo rm -r /var/lib/Jenkins

Jenkins service:

sudo service jenkins start
sudo systemctl start jenkins.service
sudo systemctl enable jenkins.service sudo systemctl status jenkins

Category: Jenkins