Get the latest release from Apache web site using the command wget http://mirrors.sonic.net/apache/maven/binaries/apache-maven-3.0.4-bin.tar.gz
Unpack the .gz file using command tar -zxf apache-maven-3.0.4-bin.tar.gz
Create a link to this called apache-maven as that makes easy to update new releases. Use the command below for this ln -s apache-maven-3.0.4/ apache-maven
Set the environment variable, open /etc/environment file sudo vi /etc/environment
Append the following to the file PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/manohar/softwares/apache-maven/bin" JAVA_HOME=/usr/lib/jvm/java-6-sun-1.6.0.06 M2_HOME=/home/manohar/softwares/apache-maven MAVEN_HOME=/home/manohar/softwares/apache-maven M2_HOME=/home/manohar/softwares/apache-maven
Log out and login again to see the effect.
Test maven installation using the command mvn -version