How to Install SonarQube on Ubuntu 24.04 with PostgreSQL and systemd

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SonarQube is an open-source static code analysis platform that detects bugs, vulnerabilities, and maintainability issues across multiple programming languages. A step-by-step guide outlines how to set it up on Ubuntu 24.04, using PostgreSQL as the backend database and OpenJDK 17 as the required Java runtime. The installation involves configuring a dedicated system user, setting kernel and file descriptor limits for the embedded Elasticsearch engine, and opening port 9000 via UFW. SonarQube is then registered as a systemd service to ensure it starts automatically on boot. Once running, users can log in via a web browser, create a scanning account, generate an authentication token, and analyze projects using the SonarScanner CLI.

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