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My macOS Cheat Sheet

My macOS Cheat Sheet

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Dennis Schmidt
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How to set JAVA_HOME on macOS Monterey?

  1. First check which shell you are using (either bash or zsh). For zsh shell, we can put the environment variables at ~/.zshenv or ~/.zshrc.
    echo $SHELL
/bin/zsh

  2. On Mac OS X 10.5 or later, we can use /usr/libexec/java_home to return the location of the default JDK.

    /usr/libexec/java_home
/Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home

  3. Or list all installed java versions with -V

    % /usr/libexec/java_home -V
Matching Java Virtual Machines (3):
 17.0.9 (x86_64) "Oracle Corporation" - "Java SE 17.0.9" /Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home
 17.0.9 (x86_64) "Oracle Corporation" - "Oracle GraalVM 17.0.9+11.1" /Library/Java/JavaVirtualMachines/graalvm-jdk-17.0.9+11.1/Contents/Home
 11.0.13 (x86_64) "Amazon.com Inc." - "Amazon Corretto 11" /Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home

  4. Open the ~/.zshenv

    nano ~/.zshenv
  5. Add the following content
    export JAVA_HOME=$(/usr/libexec/java_home)
  6. Source the file and print the $JAVA_HOME, done.
    source ~/.zshenv
echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home

Install node on macOS

Download the package at the official Node Website. The installation paths are as follows:
Node.js

/usr/local/bin/node

npm

/usr/local/bin/npm

Make sure that /usr/local/bin is in your $PATH.

macOSApplemac