This is known as a system dependency, and must be installed before R packages can be installed. Testing java command (JRE): java -version 7.On Debian and Ubuntu-based Linux distros, build-essential is required to build some R packages which require a C and C++ compiler. bashrc file: DEV_TOOLS="/home/$USER/DevTools" JAVA_HOME="$DEV_TOOLS/JDK/ jdk-11.0.7+10" export JAVA_HOME PATH="$JAVA_HOME/bin:$PATH"ĥ.2 Reset PATH: source ~/.bashrc 6. Edit the following file: sudo nano ~/.bashrcĥ.1 Add to the end of the.
Set the path of OpenJDK directory in the Ubuntu environment variables. This avoids having to move the directory after extracting it.Ĥ.1 Check for the correct OpenJDK file extracted: ls -l ~/DevTools/JDK/ 5. The -C option changes the destination directory for the file extraction.
Extracting OpenJDK file: tar -zxvf ~/Downloads/ OpenJDK11U-jdk ***tar.gz -C ~/DevTools/JDK/ Download the OpenJDK 11 LTS Version (“tar.gz”), here:ģ.1 Check for the correct OpenJDK file download: ls -l ~/Downloads 4. Create a sub-directory, in the DevTools, called JDK: sudo mkdir ~/DevTools/JDK 3. TIP: Use that directory to install any others development tools, software development kits et all. Create a Development Tools directory in your home directory, called DevTools (or use an appropriate name): sudo mkdir ~/DevTools If it is necessary to disable, configure, update or remove OpenJDK, there is a way in which you have full control over this tool within your operating system. There’s a better way to install and set OpenJDK, not only Ubuntu but in all your Linux distributions. Probably you would want to install OpenJDK 11 by using Ubuntu command line by the default Ubuntu packages repository: sudo apt install open-11-jdk -yĭespite being the simplest and most practical way, it’s highly NOT recommended to do that way.
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