setup

http://maven.apache.org/download.cgi and download

extract and download to /usr/local/apache-maven

Set env variables

For linux/mac

export M2_HOME=/usr/local/apache-maven-install-path
export M2=$M2_HOME/bin
export MAVEN_OPTS=-Xms256m -Xmx512m

Setup command line tools

export PATH=$M2:$PATH

verifying installation

mvn --version