Create install-redhat28.sh

nexus-installation/install-redhat28.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+# Install and start nexus as a service 
+# This script works on RHEL 7 & 8 OS 
+# Your server must have atleast 4GB of RAM
+# become the root / admin user via: sudo su -
+#1. Create nexus user to manage the nexus
+# As a good security practice, Nexus is not advised to run nexus service as a root user, so create a new user called nexus and grant sudo access to manage nexus services as follows.
+useradd nexus
+#4 Give sudo access to nexus user
+sudo echo "nexus ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/nexus
+sudo su - nexus
+cd /opt
+
+
+# 1.Install prerequisit: JAVA, git, unzip
+sudo yum install wget git nano unzip -y
+sudo yum install java-11-openjdk-devel java-1.8.0-openjdk-devel -y
+# 2. Download nexus software and extract it (unzip)
+# sudo wget http://download.sonatype.com/nexus/3/nexus-3.15.2-01-unix.tar.gz
+sudo wget -O nexus.tar.gz https://download.sonatype.com/nexus/3/latest-unix.tar.gz
+sudo tar -xvf nexus.tar.gz
+mv /opt/nexus-3* /opt/nexus
+#5 Change the owner and group permissions to /opt/nexus and /opt/sonatype-work directories.
+sudo chown -R nexus:nexus /opt/nexus
+sudo chown -R nexus:nexus /opt/sonatype-work
+sudo chmod -R 775 /opt/nexus
+sudo chmod -R 775 /opt/sonatype-work
+#6 Open /opt/nexus/bin/nexus.rc file and  uncomment run_as_user parameter and set as nexus user.
+#vi /opt/nexus/bin/nexus.rc
+echo run_as_user="nexus" > /opt/nexus/bin/nexus.rc
+#vi /opt/nexus/bin/nexus.rc
+#run_as_user="nexus"
+#7 CONFIGURE NEXUS TO RUN AS A SERVICE
+sudo ln -s /opt/nexus/bin/nexus /etc/init.d/nexus
+#9 Enable and start the nexus services
+sudo systemctl enable nexus
+sudo systemctl start nexus
+sudo systemctl status nexus
+echo "end of nexus installation"