Building Jenkins - linux-on-ibm-z/docs GitHub Wiki

Building Jenkins

The instructions provided below specify the steps to build Jenkins 2.541.3 on Linux on IBM Z for following distributions:

  • RHEL (8.10, 9.4, 9.6, 9.7, 10.0, 10.1)
  • SLES (15 SP7, 16)
  • Ubuntu (22.04, 24.04, 25.10)

General Notes:

  • When following the steps below please use a standard permission user unless otherwise specified.

  • Latest installers for Ubuntu and RHEL are available here. Also .deb and .rpm available through release page.

Note: Jenkins(v2.541.3) was verified at the time of creation of these instructions

Download binary(.war) for Jenkins latest version from here.

1. Install Dependencies

  • RHEL 8.10

    sudo yum install -y tar wget curl lsof which fontconfig

  • RHEL (9.4, 9.6, 9.7)

    sudo yum install -y --allowerasing tar wget curl lsof which fontconfig

  • RHEL (10.0, 10.1)

    sudo yum install -y tar wget curl lsof which fontconfig

  • SLES (15 SP7, 16)

    sudo zypper install -y tar wget curl lsof which gawk fontconfig dejavu-fonts

  • Ubuntu (22.04, 24.04, 25.10)

    sudo apt-get update
sudo apt-get install -y tar wget curl lsof coreutils fontconfig

2. Install Java

  • With IBM Semeru Runtime (previously known as AdoptOpenJDK openj9).

    • Download and install IBM Semeru Runtime (Java 17, Java 21 or Java 25) on all above mentioned distributions from here.

  • With Eclipse Adoptium Temurin Runtime (previously known as AdoptOpenJDK hotspot)

    • Download and install Eclipse Adoptium Temurin Runtime (Java 17, Java 21 or Java 25) on all above mentioned distributions from here.

  • With OpenJDK 17

    • RHEL (8.10, 9.4, 9.6, 9.7) 
      sudo yum install -y java-17-openjdk
    • SLES (15 SP7, 16) 
      sudo zypper install -y java-17-openjdk
    • Ubuntu (22.04, 24.04, 25.10) 
      sudo apt-get install -y openjdk-17-jre

  • With OpenJDK 21

    • RHEL (8.10, 9.4, 9.6, 9.7, 10.0, 10.1) 
      sudo yum install -y java-21-openjdk
    • Ubuntu (22.04, 24.04, 25.10) 
      sudo apt-get install -y openjdk-21-jre
    • SLES (15 SP7, 16) 
      sudo zypper install -y java-21-openjdk

  • With OpenJDK 25

    • RHEL (9.4, 9.6, 9.7, 10.0, 10.1) 
      sudo yum install -y java-25-openjdk
    • Ubuntu (22.04, 24.04, 25.10) 
      sudo apt-get install -y openjdk-25-jre
    • SLES (15 SP7, 16) 
      sudo zypper install -y java-25-openjdk

Note: Versions (v17.0.18_1, v21.0.10_1 and v25.0.2_1) of IBM Semeru Runtime and (v17.0.18_8, v21.0.10_7 and v25.0.2-10) of Adoptium Temurin Runtime were used at the time of creation of these instructions

3. Set environment variables

export JAVA_HOME=<path to Java installation directory>
export PATH=$JAVA_HOME/bin:$PATH

4. Start Jenkins server

java -jar jenkins.war

Note: Open http://<ip_address>:8080 in your browser to access Web UI. Make sure firewall isn't blocking this port.

References:

The information provided in this article is accurate at the time of writing, but on-going development in the open-source projects involved may make the information incorrect or obsolete. Please open issue or contact us on IBM Z Community if you have any questions or feedback.

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