The JAVA_HOME environment variable is used by some Java applications to determine the Java installation location and specify which Java version should be used to run the application.Ġ1- To set the JAVA_HOME variable, you can add a script inside the /etc/profile.d directory as below: JAVA_HOME="/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.8_1.x86_64"Ġ2- Now, load the new environment variables by typing: $ source /etc/profile.d/java.shĠ3- Finally, verify that the JAVA_HOME environment variable was correctly set: $ echo $JAVA_HOME *+ 2 java-1.8.0-openjdk.x86_64 (/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.8_1.x86_64/jre/bin/java)Įnter to keep the current selection, or type selection number:Ġ3- Finally, enter the number of the Java version you want to use as the default and press Enter Setting the JAVA_HOME Environment Variable So, if you installed multiple Java versions on your CentOS system, you can use the alternatives command to set which Java version will be used by default.Ġ1- To check what Java version is set as the default one, type: $ java -versionĠ2- If you want to change the default version, use the command alternatives to list all the installed Java versions. You might want to check the following guides: You have successfully installed Java8 and Java 11 on your CentOS 8. We hope this tutorial was enough Helpful.In this guide we will look at how you can install Apache NetBeans 13 on CentOS 8 / RHEL 8 Desktop. Apache NetBeans is a very powerful Integrated Development Environment (IDE) tool that enables you as a Developer create Desktop, Web and Mobile Applications from its modular framework. It supports Java, PHP, HTML, JavaScript, C, C++, Ajax, JSP, Ruby on Rails and other programming languages using extensions. The Apache NetBeans IDE can be installed on Windows, macOS, Linux and Solaris operating systems. This guide is for installation of Netbeans 13 on CentOS 8 but the installation can be used on any other Linux system. There are two main ways of installing NetBeans IDE – using bundled installer script and manually extracting files and placing them in a path. Install Apache NetBeans 13 on CentOS 8 / RHEL 8 Desktopįollow the steps below to install Apache NetBeans 13 on CentOS 8 Desktop. We will start with the installation of Java then we’ll download and run the installer script. Apache NetBeans 13 is the first LTS release of NetBeans as a top level Apache project. Sudo dnf install java-17-openjdk java-17-openjdk-devel Let’s begin by installing Java on Fedora system. If you have more than one version of Java installed on your CentOS 8 machine, set default one: $ sudo alternatives -config java Xorg-x11-fonts-Type1 noarch 7.5-19.el8 appstream 522 k Tzdata-java noarch 2022a-1.el8 appstream 190 k Package Architecture Version Repository Size INSTALL OPENJDK 11 RHEL INSTALL
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