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22 lis 2016 · You can check from the command line by executing this command echo $JAVA_HOME. If Java is installed but the path is not set, you need to identify the path to your java installation. I prefer using sudo update-alternatives --config java which lists all installed versions with current active one marked and provides dialog to switch:
25 paź 2016 · /usr/bin/java -> /etc/alternatives/java and then follow the symlinks until you are at the source. Alternatively, if available on your system, use the readlink command in combination with -f which follows symlinks for you:
6 cze 2023 · In this tutorial, we saw how to locate and set the JAVA home directory on a Linux system. We learned how to check the environment variable for the home directory, use a Java command to uncover the home directory, and manually determine the home directory through tracing the path to the Java executable files.
14 maj 2016 · 4 Answers. Sorted by: 68. Simply do (in terminal): update-alternatives --list java. And you'll get an output like this: $ update-alternatives --list java.
In Linux you can use the whereis and which shell commands: $ which java. $ whereis java. which will give you, most likely, the JRE path in /usr/bin folder such as /usr/bin/java. This is not the actual JRE file, but a symbolic link to the actual JRE file (which is located elsewhere).
11 maj 2024 · If we’re using either macOS or Linux, we can open up our terminal and type: echo $JAVA_HOME. If JAVA_HOME is defined in our environment, then the above command will print it out. Or we could try: which java. This probably just shows us /usr/bin/java, which really isn’t very helpful since
23 mar 2024 · Method 1: Using the which Command. The which command helps locate executable binaries in your system’s PATH environment variable. To find the JDK path using which, open a terminal and type: $ which java. This command will display the path to the Java executable, which typically resides within the JDK directory.
