Sonar is updated frequently, with each release packing a couple of new features and improvements. Visit http://www.sonarsource.org/downloads/ to get an overview of the releases and download links. From there download the latest version notice that whether you are on Linux or Windows, the download is the same, since Sonar is based on Java and it is compatible with both. All downloads are
zip archives named after Sonar's version following this convention:
x is the major release number and
yy is the minor one.
As of October 15, 2011, the latest version was 2.11 and about 60 MB in size. For the needs of this book, we will go with Sonar v. 2.11.
After the download is complete, extract the
zip archive into a directory ...