Prerequesites Install three nodes with CentOS 7 with at least 20GB Disk, 2 GB RAM and two CPU Cores. Install JDK yum install -y java-1.8.0-openjdkl java-1.8.0-openjdk-devel net-tools Set JAVA_HOME in ~/.bashrc # Set Java-Home export JAVA_HOME=“/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64/jre“ export PATH=$JAVA_HOME/bin:$PATH Disable SELinux, Firewall and IPv6 systemctl disable firewalld systemctl stop firewalld echo
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