Java 17 Linux ((new)) ★ Working

java -XX:ActiveProcessorCount=2 -jar myapp.jar For large heaps (>8GB), tell the JVM to use Linux's THP:

[Unit] Description=My Java 17 Application After=network.target [Service] Type=simple User=myappuser Group=myappuser Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64" Environment="APP_OPTS=-Xms512m -Xmx2g" ExecStart=$JAVA_HOME/bin/java $APP_OPTS -jar /opt/myapp/app.jar Restart=on-failure RestartSec=10 java 17 linux

Published: April 14, 2026 | Category: DevOps / Backend Development java -XX:ActiveProcessorCount=2 -jar myapp

| Distribution | Best For | Package Manager Availability | | :--- | :--- | :--- | | | General purpose, cloud-native, CI/CD | apt , yum , dnf (via Adoptium repo) | | Oracle OpenJDK | Oracle Linux & strict Oracle support contracts | yum (Oracle Linux) | | Amazon Corretto 17 | AWS environments, long-term free patches | yum , apt , dnf | | Azul Zulu 17 | Legacy hardware or embedded Linux | apt , yum , tgz | Recommendation: For 95% of users, use Eclipse Adoptium (Temurin) or Amazon Corretto . Both offer free, long-term support without licensing headaches. Step 2: Installing Java 17 on Major Linux Distributions Ubuntu / Debian (apt) # Update package list sudo apt update Install the default Java 17 JDK (OpenJDK) sudo apt install openjdk-17-jdk -y Verify installation java -version CI/CD | apt