Manually Deploying Apache Kafka Please Install Java version 8 before proceeding the Kafka installation. 1) Edit the /etc/hostname in each node. $ vi /etc/hostname kafka1 or kafka2 or kafka3 2) Check hostname. $ hostname 3) Confirm everything went right. $ sudo hostname -F /etc/hostname 4) Now edit /etc/hosts to point one node to other nodes and do the same in each node. $ nano /etc/hosts 127.0.0.1 localhost 127.0.1.1 ubuntu <IP of node1 > kafka1 <IP of node2> kafka2 <IP of node3> kafka3 # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters 5) Reboot each node. 6) Download Scala and untar it in all nodes. Add following below command in .bashrc $ export SCALA_HOME=/root/scala-2.11.7 $ export PATH=$PATH:$SCALA_HOME/
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