• Click the "Manage Jenkins" link.
  
  
• Click the "Configure System" link.
  
  

To add a new SonarQube installation, Click the "Add SonarQube" button.
Set the following properties:

• Check "Enable injection of SonarQube server configuration as build environment variables"
  
• Name: SonarQube
  
• Server URL: http://localhost:9000