InstallNexus.sh

#!/bin/bash

# Install Java
yum install java-1.8.0-openjdk.x86_64 -y

# Update the packages
yum update -y

# Download Nexus
cd /opt/
wget https://download.sonatype.com/nexus/3/nexus-3.47.1-01-unix.tar.gz

# Unzip/Untar the compressed file
tar -xf nexus-3.47.1-01-unix.tar.gz && rm -rf *.tar.gz

# Rename folder for ease of use
mv nexus-3.* nexus3

# Enable permission for ec2-user to work on nexus3 and sonytype-work folers
chown -R ec2-user:ec2-user nexus3/ sonatype-work/

# Create a file called nexus.rc and add run as ec2-user
cd /opt/nexus3/bin/
touch nexus.rc
echo 'run_as_user="ec2-user"' | tee -a /opt/nexus3/bin/nexus.rc

# Add nexus as a service at boot time
ln -s /opt/nexus3/bin/nexus /etc/init.d/nexus
cd /etc/init.d
chkconfig --add nexus
chkconfig --levels 345 nexus on

# Start Nexus
service nexus start