Using entry nodes with specific ports

1. How do I specify NodePort?
2. What port does node run on?
3. What is the range of NodePort port?
4. Which specification exposes the service on the node IP externally to the cluster?
5. What is target port vs NodePort?
6. What is the difference between port and NodePort?
7. Why does node use port 3000?
8. Is node good for CPU-intensive?
9. How do you specify a port range?
10. What is the difference between NodePort and LoadBalancer?
11. How do I access NodePort service from outside?
12. How do I get NodePort IP in Kubernetes?
13. How do I change my ClusterIP to NodePort?
14. What is difference between ClusterIP and NodePort?
15. How do I access NodePort service from outside?
16. What is the difference between NodePort and LoadBalancer?

How do I specify NodePort?

Log in to the master node. Edit the service definition to specify spec. type:NodePort and optionally specify a port in the 30000-32767 range. Note that the external IP is listed as <none> and the node ports are listed.

What port does node run on?

The default port for HTTP is 80 – Generally, most web browsers listen to the default port.

What is the range of NodePort port?

By default, the range of the service NodePorts is 30000-32768. This range contains 2768 ports, which means that you can create up to 2768 services with NodePorts.

Which specification exposes the service on the node IP externally to the cluster?

Question: Referring to the exhibit, which specification exposes the service on the node IP externally to the cluster? O port apiVersion: v1 kind: Service O type metadata: name: web-service O kind spec: type: NodePort O selector selector: app: web-app ports: - protocol: TCP port: 80 targetPort: 5000 nodePort: 31000.

What is target port vs NodePort?

TargetPort is the port on which the service will send requests to, that your pod will be listening on. Your application in the container will need to be listening on this port also. NodePort exposes a service externally to the cluster by means of the target nodes IP address and the NodePort.

What is the difference between port and NodePort?

Port : port redirects the traffic to the container from the service. NodePort : is the port that enables the service to access the externally.

Why does node use port 3000?

3000 is a somewhat arbitrary port number chosen because it allows you to experiment with express without root access (elevated privilege). Ports 80 and 443 are the default HTTP and HTTPS ports but they require elevated privilege in most environments.

Is node good for CPU-intensive?

Since Node. js is single-threaded and non-blocking, you can achieve higher concurrency with the same resources". And when you read about what it's bad at it usually goes like this: "Since Node. js is single-threaded, CPU-intensive tasks will block all requests from completing, until the task is completed.

How do you specify a port range?

Use the TCP Port Range Input table to specify TCP ports that are available to this port allocation range. Use the UDP Port Range Input table to specify UDP ports that are available to this port allocation range. At least one TCP or UDP port must be specified.

What is the difference between NodePort and LoadBalancer?

In this case, Amazon Web Service (AWS) was being used, so an external IP from AWS was created. The main difference with NodePort is that LoadBalancer can be accessed and will try to equally assign requests to Nodes.

How do I access NodePort service from outside?

Declaring a service as NodePort exposes the Service on each Node's IP at the NodePort (a fixed port for that Service , in the default range of 30000-32767). You can then access the Service from outside the cluster by requesting <NodeIp>:<NodePort> .

How do I get NodePort IP in Kubernetes?

If you run minikube, you can check node ip with the minikube ip command. If you run Docker Desktop Kubernetes, then node ip is localhost .

How do I change my ClusterIP to NodePort?

NodePort This way of accessing Dashboard is only recommended for development environments in a single node setup. Edit kubernetes-dashboard service. $ kubectl -n kube-system edit service kubernetes-dashboard You should see yaml representation of the service. Change type: ClusterIP to type: NodePort and save file.

What is difference between ClusterIP and NodePort?

ClusterIP (default): Internal clients send requests to a stable internal IP address. NodePort: Clients send requests to the IP address of a node on one or more nodePort values that are specified by the Service.

How do I access NodePort service from outside?

Declaring a service as NodePort exposes the Service on each Node's IP at the NodePort (a fixed port for that Service , in the default range of 30000-32767). You can then access the Service from outside the cluster by requesting <NodeIp>:<NodePort> .

What is the difference between NodePort and LoadBalancer?

In this case, Amazon Web Service (AWS) was being used, so an external IP from AWS was created. The main difference with NodePort is that LoadBalancer can be accessed and will try to equally assign requests to Nodes.