To take advantage of the latest fixes and features, you can use the project-maintained packages to install Jenkins.įirst, add the repository key to the system: wget -q -O - | sudo apt-key add. The version of Jenkins included with the default Ubuntu packages is often behind the latest available version from the project itself. Use the update-alternatives command: sudo update-alternatives -config java To set this environment variable, first determine where Java is installed. Verify that the JDK is installed by checking the version of javac, the Java compiler: javac -version To install the JDK, execute the following command, which will also install the JRE: #for java 8 ![]() ![]() You may need the Java Development Kit (JDK) in addition to the JRE in order to compile and run some specific Java-based software. Verify the installation with: java -version This will allow you to run almost all Java software. This command will install the Java Runtime Environment (JRE). ![]() If Java is not currently installed, you'll see the following output: OutputĬommand 'java' not found, but can be installed with:Įxecute the following command to install OpenJDK: #for java 8 Next, check if Java is already installed: java -version ![]() To install this version, first update the package index: sudo apt update In this tutorial, we will install Jenkins in Ubuntu 18.04 but you can follow the same steps to install Jenkins Ubuntu 16.04. Jenkins is the leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project.
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