Create a Daemonset as per the demo shown in the video
apiVersion: apps/v1
kind: DaemonSet
metadata: 
  name: nginx-ds
  labels: 
    env: demo
spec:
  template:
    metadata:
      labels: 
        env: demo
    spec: 
      containers: 
      - image: nginx
        name: nginx
        ports: 
        - containerPort: 80
  selector:
    matchLabels: 
      env: demo

Undertand the cron syntax and create a cronjob object in kubernetes that prints "40daysofkubernetes" after every 5 minutes and use busybox image

kubectl create cronjob hello --image=busybox:1.28   --schedule="*/5 * * * *" -- echo "40daysofkubernetes"