The Apache Maven project management framework provides Sakai with "a set of build standards, artifact repository model and a software engine that manages and describes projects" (Better Builds, p. 22). As part of the installation process you will use Maven as a build tool in order to compile, test and deploy Sakai to a servlet container such as Apache Tomcat.
Maven 3.0 or later is the required for performing Sakai 2.9 builds.
For Sakai 10 and 11, it's recommended to use Maven 3.2.2 to avoid incorrect warnings, though it still compiles with 3.0.5
You can download Maven at
http://maven.apache.org/download.html
Extract the distribution archive into your installation directory of choice, e.g. /usr/local/apache-maven-3.2.2. Confirm that you have installed the correct version of Maven and can start it by issuing mvn --version from the terminal. At this point your environment is prepared to build and deploy the Sakai source code.
mvn --version
Apache Maven 3.2.2 (45f7c06d68e745d05611f7fd14efb6594181933e; 2014-06-17T09:51:42-04:00) Maven home: /usr/local/apache-maven-3.2.2 Java version: 1.7.0_65, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-7-oracle/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "3.13.0-30-generic", arch: "amd64", family: "unix"