Installing and Configuring Jenkins

sudo systemctl start jenkins
sudo systemctl enable jenkins

1. Open browser to http://localhost:8080
2. Unlock Jenkins using the initial admin password found in:
   C:\Program Files\Jenkins\secrets\initialAdminPassword
3. Install suggested plugins or select custom plugins.
4. Create the first admin user.
5. Configure Jenkins URL (optional).
6. Start using Jenkins.

brew install jenkins

curl -O https://get.jenkins.io/war/2.479/jenkins.war

docker run -d \
  --name jenkins \
  -p 8080:8080 \
  -p 50000:50000 \
  -v jenkins_home:/var/jenkins_home \
  jenkins/jenkins:lts

apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      containers:
      - name: jenkins
        image: jenkins/jenkins:lts
        ports:
        - containerPort: 8080
        volumeMounts:
        - name: jenkins-home
          mountPath: /var/jenkins_home
      volumes:
      - name: jenkins-home
        persistentVolumeClaim:
          claimName: jenkins-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: jenkins-service
spec:
  selector:
    app: jenkins
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080
  type: LoadBalancer

curl -X POST "http://localhost:8080/scriptConsole" \
  --data-urlencode "script=Jenkins.instance.setRootUrl("https://jenkins.example.com")"

export JENKINS_HOME=/opt/jenkins

JENKINS_JAVA_OPTIONS="-Xms512m -Xmx2g" java -jar jenkins.war

server {
    listen 80;
    server_name jenkins.example.com;

    location / {
        proxy_pass http://localhost:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# Generate a self-signed certificate
openssl req -x509 -newkey rsa:4096 -keyout jenkins.key -out jenkins.crt -days 365 -nodes

# Copy certificates to Jenkins directory
sudo cp jenkins.key /etc/ssl/private/jenkins.key
sudo cp jenkins.crt /etc/ssl/certs/jenkins.crt

# Set proper permissions
sudo chmod 600 /etc/ssl/private/jenkins.key
sudo chmod 644 /etc/ssl/certs/jenkins.crt

java -jar jenkins.war --httpPort=9090 --contextPath=/jenkins

JENKINS_PORT=9090
JENKINS_CONTEXT_PATH=/jenkins

sudo cat /var/lib/jenkins/secrets/initialAdminPassword