Maven installation in Centos 7.X

$ su - root

# cd /tmp
# wget http://apache-mirror.rbc.ru/pub/apache/maven/maven-3/3.6.2/binaries/apache-maven-3.6.2-bin.tar.gz

# tar -xvzpf apache-maven-3.6.2-bin.tar.gz
# mkdir -p /opt/maven/3.6.2
# mv apache-maven-3.6.2/* /opt/maven/3.6.2/
# ln -s /opt/maven/3.6.2/ /opt/maven/current

$ su - <username>

$ vi ~/.bash_profile

#### MAVEN 3.5.3 #########################

    export MAVEN_HOME=/opt/maven/current
    export PATH=$PATH:$MAVEN_HOME/bin

#### MAVEN 3.5.3 #########################

$ source ~/.bash_profile
$ mvn --version
Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T22:49:05+03:00)

$ su - root

# cd /tmp
# wget https://archive.apache.org/dist/maven/maven-2/2.2.1/binaries/apache-maven-2.2.1-bin.tar.gz

# tar -xvzpf apache-maven-2.2.1-bin.tar.gz
# mkdir -p /opt/maven/2.2.1
# mv apache-maven-2.2.1/* /opt/maven/2.2.1/
# ln -s /opt/maven/2.2.1/ /opt/maven/current

$ su - <username>

$ vi ~/.bash_profile

#### MAVEN 2.2.1 #########################

    export MAVEN_HOME=/opt/maven/current
    export PATH=$PATH:$MAVEN_HOME/bin

#### MAVEN 2.2.1 #########################

$ source ~/.bash_profile
$ mvn -version