ONOS is a carrier-grade network operating system (OpenFlow controller). Here, I use the version 1.3 and the configurations below, worked for me.
$ cd ~; mkdir sdn; cd sdn $ git clone -b onos-1.3 https://gerrit.onosproject.org/onos
$ cd ~/sdn $ wget http://archive.apache.org/dist/karaf/3.0.3/apache-karaf-3.0.3.tar.gz $ wget http://archive.apache.org/dist/maven/maven-3/3.3.1/binaries/apache-maven-3.3.1-bin.tar.gz $ tar -zxvf apache-karaf-3.0.3.tar.gz -C ~/sdn $ tar -zxvf apache-maven-3.3.1-bin.tar.gz -C ~/sdn
$ sudo apt-get install software-properties-common -y $ sudo add-apt-repository ppa:webupd8team/java -y $ sudo apt-get update $ sudo apt-get install oracle-java8-installer oracle-java8-set-default -y
export JAVA_HOME=/usr/lib/jvm/java-8-oracle export JRE_HOME=/usr/lib/jvm/java-8-oracle/jre export KARAF_ROOT=$HOME/sdn/apache-karaf-3.0.3 export M2_HOME=$HOME/sdn/apache-maven-3.3.1
$ cd ~/sdn/onos $ mvn clean install
$ export ONOS_IP=A.B.C.D
$ ok clean # or onos-karaf
http://<Your IP address>:8181/onos/ui/login.html