Ubuntu bash script to install Jenkins

jenkins-script-automation-installation.sh

#!/bin/bash
# Change user as root
sudo su -

# Add Jenkins aptitude key
curl -fsSL https://pkg.jenkins.io/debian/jenkins.io-2023.key | sudo tee \
/usr/share/keyrings/jenkins-keyring.asc > /dev/null

# Add the Jenkins debian repo to the aptitude sources list:

echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
https://pkg.jenkins.io/debian binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list > /dev/null


# Update the source lists and upgrade any out of date packages:
apt update
apt -y upgrade

# Install the software for the Jenkins master: openjdk-11-jdk, nginx, and jenkins.
# Install JDK and nginx first:
apt -y install fontconfig openjdk-11-jre nginx

# Then install jenkins:
apt -y install jenkins

# Confirm that jenkins and nginx are installed:
systemctl status nginx | grep Active
systemctl status jenkins | grep Active