Java 17 Linux Review

If you have multiple Java versions installed, you can switch between them using the update-alternatives tool .

# List all installed Java versions sudo update-alternatives --config java

To see the benefit of Java 17 on your Linux terminal, create a file named Hello.java : java 17 linux

Create /etc/systemd/system/myapp.service :

On shared Linux servers, the JVM may see all host CPUs. Limit it: If you have multiple Java versions installed, you

It is common on Linux servers to have legacy apps running on Java 8 while new apps run on Java 17. You can manage this using the update-alternatives system.

sudo apt update && sudo apt upgrade -y sudo apt install openjdk-17-jdk -y Use code with caution. You can manage this using the update-alternatives system

April 14, 2026 | Category: DevOps / Backend Development

Output should look like: openjdk version "17.0.x" ...

Run the config command: sudo update-alternatives --config java . Select the number corresponding to Java 17 and hit .