Install jenkins on ubuntu machine

install_jenkins.sh

sudo apt update && sudo apt upgrade -y
sudo apt install openjdk-21-jdk -y
curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key | sudo tee /usr/share/keyrings/jenkins-keyring.asc > /dev/null
echo "deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian-stable binary/" | sudo tee /etc/apt/sources.list.d/jenkins.list > /dev/null
sudo apt update && sudo apt install jenkins -y
sudo systemctl enable jenkins
sudo systemctl start jenkins
sudo systemctl status jenkins
sudo cat /var/lib/jenkins/secrets/initialAdminPassword