sahika@ubuntu:~$ mvn -version
The program 'mvn' can be found in the following packages:
* maven
* maven2
Try: sudo apt-get install <selected package>
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sahika@ubuntu:~$ do apt-get install maven2
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sahika@ubuntu:~$ mvn -version
Apache Maven 2.2.1 (rdebian-8)
Java version: 1.6.0_24
Java home: /usr/lib/jvm/java-6-openjdk-amd64/jre
Default locale: tr_TR, platform encoding: UTF-8
OS name: "linux" version: "3.2.0-23- generic" arch: "amd64" Family: "unix"