SonarScanner is a generic scanner for SonarQube for projects do not use any specific build tool like Maven, Gradle, etc.
# To scan a project with configuration file in your project's root directory named 'sonar-project.properties':
sonar-scanner
# To scan a project using configuration file other than 'sonar-project.properties':
sonar-scanner -D<project.settings=myproject.properties>
# To print help information:
sonar-scanner -h
# To print debudgging information:
sonar-scanner -X