![]() Oracle’s licensing agreement for Java doesn’t allow automatic installation through package managers. Next, you will learn how to install Oracle’s official JDK and JRE. If Java is not currently installed, you’ll receive the following message: Next, check if Java is already installed: To install the OpenJDK version of Java, first update your apt package index: Java 11 is the current Long Term Support version of Java. By default, Debian 11 includes OpenJDK version 11, which is an open-source variant of the JRE and JDK, and is compatible with Java 11. One option for installing Java is to use the version packaged with Debian. Additionally, OpenJDK has the option to install the JRE separately, while OracleJDK comes packaged with its JRE. The choice between which to install comes down to choosing the appropriate licensing for your circumstance. However, starting with Java 11 the two options are now functionally identical as detailed by Oracle. ![]() Both are also developed by Oracle, but OpenJDK has the addition of community contributions due to its open-source nature. Oracle JDK is the original version of Java and is fully maintained by Oracle, the developers of Java.īoth of these versions are officially recognized by Oracle. OpenJDK is the open-source implementation of Java and comes packaged with Debian. Furthermore, there are two main installation options of Java to choose from. The JRE is used to actually execute Java programs. The JDK provides essential software tools to develop in Java, such as a compiler and debugger. Installing Java comes with two main components. You can set this up by following our Debian 11 initial server setup guide. One Debian 11 server with a non- root, sudo-enabled user.When you’re finished, you’ll be able to use the JDK to develop software or use the Java Runtime to run software. Then, you’ll select the version you wish to use for your projects. You’ll install OpenJDK as well as the official JDK from Oracle. In this guide, you will install different versions of the Java Runtime Environment (JRE) and the Java Developer Kit (JDK) using apt. ![]() To add Items we just have to drag the entries in the menu to Plank and later, organize them to put them where we want.Java and the JVM (Java Virtual Machine) are required for many kinds of software, including Tomcat, Jetty, Glassfish, Cassandra and Jenkins. Inside the folder ~/.config/plank/ We can find other configuration files, where we can change, among other things, the style of the dock theme. ![]() ![]() Where we can change the value 48 for 32, 24. Since it does not have a configuration tool, we must touch a file by hand:įrom that file the parameter that interests us is: Now, by default the icons Plank They measure 48px than for the screen of the netbook they are excessive. Anyway, what I did was the following:ġ.- Create a text file called Down on my Desktop and put this inside:Ģ.- I opened a terminal on the desktop and put:ģ.- After downloading all the packages I wrote in the terminal:Ĥ.- It is possible that it gives us dependency errors, so we must execute:ĥ.- We install / update the necessary packages and if it is not installed yet Plank we run step 3 again. Unfortunately, Plank not available in Debian, but we can install it using the packages available in the PPA de Launchpad. Yesterday we saw my desktop on the PC I have with KDE, and today we will see the desk that I have in my netbook, which as you well know is Xfce (my favorite desktop, although some think not) to which I have added a dock that I always liked for its simplicity: Plank.įor those who do not know, Plank is the dock used in the project Elementary, which is written in Vala and therefore, it is quite simple and consumes very few resources (in my case about 15MB).ĭespite being so simple, Plank has everything I need from a Dock, that is, I can easily add and remove items and it hides when a window is on it, being able to later access the application just by pasting the cursor to the bottom edge of the screen. ![]()
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