⭐⭐⭐☆☆ The "JDK Ariadne Thread" Reviewed by: A Frustrated Dev on Production Box

sudo apt update
sudo apt install openjdk-11-jdk

Installing JDK and taking a jstack threads dump or stack dump

In this article, we've shown you how to install JStack on Ubuntu and use it to diagnose and troubleshoot Java applications. With JStack, you can take snapshots of the JVM thread stacks, which can be invaluable when it comes to resolving performance issues and other problems. By following these steps, you can ensure that you have JStack installed and working correctly on your Ubuntu system.