How Do You Install Maven on Any Type of Linux?

Problem scenario
You want to install Maven with a script. You want the script to work regardless of what distribution of Linux you are using (e.g., Ubuntu/Debian, RedHat (including CentOS/Fedora), or SUSE). How do you write a script to install the latest version of Maven?

Solution
Update: This script was updated on 9/23/19.

1. Create this file in /tmp/ and call it maven.sh. Below is the content:

#!/bin/bash
# Written by www.continualintegration.com

mvnversion=3.6.2  # Change this version as necessary

distro=$(cat /etc/*-release | grep NAME)

debflag=$(echo $distro | grep -i "ubuntu")
if [ -z "$debflag" ]
then   # If it is not Ubuntu, test if it is Debian.
  debflag=$(echo $distro | grep -i "debian")
  echo "determining Linux distribution..."
else
   echo "You have Ubuntu Linux!"
fi

rhflag=$(echo $distro | grep -i "red*hat")
if [ -z "$rhflag" ]
then   #If it is not RedHat, see if it is CentOS or Fedora.
  rhflag=$(echo $distro | grep -i "centos")
  if [ -z "$rhflag" ]
    then    #If it is neither RedHat nor CentOS, see if it is Fedora.
    echo "It does not appear to be CentOS or RHEL..."
    rhflag=$(echo $distro | grep -i "fedora")
    fi
fi

if [ -z "$rhflag" ]
  then
  echo "...still determining Linux distribution..."
else
  echo "You have a RedHat distribution (e.g., CentOS, RHEL, or Fedora)"
  yum -y install java-1.8.0-openjdk*
  JAVA_HOME=/usr/lib/jvm/jre-1.8.0-openjdk
  echo 'export JAVA_HOME=/usr/lib/jvm/jre-1.8.0-openjdk' >> ~/.bashrc
  source ~/.bashrc
  source /etc/environment
fi

if [ -z "$debflag" ]
then
  echo "...still determining Linux distribution..."
else
   echo "You are using either Ubuntu Linux or Debian Linux."
   apt-get -y update # This is necessary on new AWS Ubuntu servers.
   apt -y install openjdk-9-jre-headless default-jdk
   apt -y install openjdk-11-jre-headless
   echo "If you see an error about an installation candidate, do not be concerned"
   sleep 2
fi

suseflag=$(echo $distro | grep -i "suse")
if [ -z "$suseflag" ]
then
  if [ -z "$debflag" ]
  then
    if [ -z "$rhflag" ]
      then
      echo "*******************************************"
      echo "Could not determine the Linux distribution!"
      echo "Installation aborted. Nothing was done."
      echo "******************************************"
      exit
    fi
  fi
else
   zypper -n install java-1_8_0-openjdk java-1_8_0-openjdk-devel
fi

curl http://ftp.wayne.edu/apache/maven/maven-3/$mvnversion/binaries/apache-maven-$mvnversion-bin.tar.gz > /bin/apache-maven-$mvnversion-bin.tar.gz

cd /bin
tar -xvf apache-maven-$mvnversion-bin.tar.gz
mkdir -p /usr/local/apache-maven
mv /bin/apache-maven-$mvnversion/* /usr/local/apache-maven

if [ -z "$debflag" ]
then
  /usr/bin/ln -s /usr/local/apache-maven/bin/mvn /bin/mvn
else
  /bin/ln -s /usr/local/apache-maven/bin/mvn /bin/mvn
fi

echo 'PATH="$PATH":/usr/local/apache-maven/bin/' > /etc/profile.d/maven.sh

echo 'To finish the process, run this command:'
echo 'export PATH="$PATH":/usr/local/apache-maven/bin/'

echo "Then run 'mvn -version' to see if Maven is installed."

2. Run it with this command: sudo -s source /tmp/maven.sh

How Do You Install Maven on Any Type of Linux?

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