Overview:

Amazon Linux 2 machine (centos rhel fedora)
To check version of the machine use:

cat /etc/os-release

Groovy is a scripting language with Java-like syntax for the Java platform. It is managed by Apache Software Foundation.

This post shows how to install Groovy via SDKMan

Install SDKMan:

1. Download SDKMAN:

   curl -s "https://get.sdkman.io" | bash
   

2. Execute installation script and populate variables:

   source "$HOME/.sdkman/bin/sdkman-init.sh"
   

3. Check if the installation has succeded:

   sdk version
   

Java configuration:

1. Ensure that you have Java installed on your machine:

   java --version
   

2. Copy the path to the Java folder:

   ls /usr/lib/jvm
   

3. Set JAVA_HOME environment variable:

   vim ~/.bashrc
   

4. Add the following entries, close and save the file:

   export JAVA_HOME="/usr/lib/jvm/[java_folder]/"
   export PATH=$PATH:$JAVA_HOME/bin
   

5. Load variables:

   source ~/.bashrc
   

Groovy install:

1. Set the executable bit on sdkman-init.sh:

   chmod +x ~/.sdkman/bin/sdkman-init.sh
   

2. Install Groovy:

   sdk install groovy
   

3. Check groovy version:

   groovy -version
   

Notes:

1. source is a built-in shell command that reads and executes the file content in the current shell. These files usually contain a list of commands.
2. . bash_profile and . bashrc are files containing shell commands that are run when Bash is invoked

Reference:

1. Amazon Linux 2
2. Install Groovy
3. SDK install
4. getting 'internet not reachable' with sdkman
5. How to set JAVA_HOME in Linux for all users