1️⃣ Java 17 설치
sudo apt update
sudo apt install openjdk-17-jdk
설치 확인
java -version

2️⃣ Jenkins 설치
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
sudo systemctl start jenkins
sudo systemctl status jenkins

3️⃣ Jenkins 초기 설정
http://localhost:8080 접속
1. 초기 관리자 비밀번호 확인
sudo cat /var/lib/jenkins/secrets/initialAdminPassword

2. Install Suggested Plugins 클릭