Optionally, curl will be used to download an appropriate Java JDK tarball. Privileged access to your Debian Linux is required. Open the ~/.The objective of this guide is to provide a simple to follow steps on how to install Java SE Development Kit on Debian Linux. This section will instruct you on how to set the JAVA_HOME and PATH environment variables to help ensure that your Java applications will run without issue. If you have chosen to install the full OpenJDK development kit, check the version of the compiler as well: javac -versionĪs of the time of this publication, this command should return: javac 11.0.7 OpenJDK 64-Bit Server VM 18.9 (build 11.0.7+10-LTS, mixed mode, sharing) OpenJDK Runtime Environment 18.9 (build 11.0.7+10-LTS) This is generally slower than running applications that have already been compiled into Java bytecode, and may not be suitable if you plan to execute applications many times.Ĭheck the version of the JRE to verify that it has been properly installed: java -versionĪs of the time of this publication, this command should return: openjdk version "11.0.7" LTS While you can run Java applications directly with the JRE, your applications will be compiled every time they are executed. Install the OpenJDK 11 development kit, which includes OpenJRE 11: sudo yum install java-11-openjdk-develĪlternatively, if you simply want to run Java applications that you have already downloaded, you can choose to only install OpenJRE 11: sudo yum install java-11-openjdk This guide will use sudo commands wherever possible, which should be run by a limited, non-root user on your Linode.Įnsure your system is up-to-date: sudo yum update
Securing Your Server to create a standard user account, harden SSH access and remove unnecessary network services. Getting Started guide and complete the steps for connecting to your Linode with SSH and setting your Linode’s hostname and timezone.
For this reason, OpenJDK 11 is the recommended version for developing production applications. While there are many available versions of OpenJDK, version 11 is the latest Long-Term-Support (LTS) release as of the time of this guide’s publication. OpenJDK and Java SE are equivalent JDKs that include a Java runtime environment (JRE) and tools for developing and compiling Java applications. OpenJDK is the free and open-source implementation of the Oracle Java Standard Edition (Java SE) Development Kit. This guide will show you how to install the Open Java Development Kit (OpenJDK) 11 on CentOS 8. Software written in Java can be compiled and run on any system, making Java a versatile platform that can be used to create anything from software to basic web applications. Java is one of the world’s most popular programming languages.
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