kubectl get componentstatuses connection refused

5. That explains it, please see #1720 and #1741. kubectl get did you specify right host or port?' The answer is in the comment by @cewood; Okay, that helps to understand what you installation is likely to look like. To see if kubectl connect to master and master is running and on which port use kubectl cluster-info. Jan 20, 2019 at 11:07. Follow. By clicking Sign up for GitHub, you agree to our terms of service and Restarted kubelet, docker. Your timeouts do not come directly from kubelet as kubectl is communicating with the apiserver pod(s). Cloud being used: (put bare-metal if not on a public cloud) bare-metal 592), Stack Overflow at WeAreDevelopers World Congress in Berlin, kubectl: The connection to the server XXX.XXX.XXXXXX was refused, Kubernetes API-server wont' start after reboot. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Unable to connect Does anyone know what specific plane this is a model of? when you run any kubectl or a similar command in Kubernetes you may get an error message like this The connection to the server localhost:8080 was refused did you specify the right host or port?. You switched accounts on another tab or window. In connect Those are the initial investigations i would do. I checked the pods themselves are using the correct secure ports for liveness checks.. What you expected to happen? Connection refused My cluster seems to be fine other than I have to constantly restart kublet on the controller because kubectl Glad you liked the blog and this helped you. kubectl get nodes - The connection was refused - Stack Connection refused with kubectl on EC2 ubuntu instance? I'm trying to make a pod that will serve as the controller for other pods, basically creating and stopping them as needed. kubeadm init --pod-network-cidr=192.168.0.0/16 --apiserver-advertise-address=192.168.211.40 -- These cookies will be stored in your browser only with your consent. If 'tar' is not present, kubectl cp will fail. Do I have a misconception about probability? Kubernetes does not show all the component status kubectl get 3. calico-node-bspps 0/1 Running 32 (62s ago) 3h9m In case of any problem or query, do let us know through your comments. The 'kubectl config view' still returns the same data (as no KUBECONFIG variable setting looks for a config file in the above location by default). I installed this a few days ago and all was well. Sign up to receive awesome content in your inbox, every week. mkdir -p $HOME/.kube Just for your reference, we were using the below Kubernetes version and getting the below error. connection Kubernetes - The connection to the server localhost:8080 was refused - did you specify the right host I don't know what else might be relevant. I just built this cluster as my first dabble with Kubernetes so I dont know a whole lot about it at this point. Kubernetes cluster on AWS,The connection to the server localhost:8080 was refused, The connection to the server localhost:8080 was refused - did you specify the right host or port? To Download Kubernetes CKA Sample Exam Questions, Click here. Tried rebuilding from scratch and got the same problem. English abbreviation : they're or they're not. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. There are different methods to resolve this issue, but in this tutorial, we are telling the easiest and safest way to resolve the connection issue without resetting your Kubernetes cluster. At one point, it print this message, but the process continued: To achieve it we have to copy the ~/.kube/config file from the master to the ~/.kube/config on the worker. ok. by seding the install output to change cluster.local to my cluster suffix, and then piping it into kubectl, it now works as expected. NAME READY STATUS RESTARTS AGE helianto-mailer-1024769093-6407d 2/2 Running 0 6d helianto-spring-2246525676-l54p9 2/2 Running 0 6d iservport-shipfo-12873703-wrh37 2/2 Running 0 13h $ kubectl describe pod iservport-shipfo-12873703-wrh37 $ sudo kubectl get nodes Not losing any of the configuration or the deployments already present? Command line tool (kubectl) | Kubernetes Thank you for your help. followed some of the workarounds like this How To Change Hostname on Ubuntu (CLI/GUI). Why are my film photos coming out so dark, even in bright sunlight? Photon 3 Calico-node pod kube-proxy kubectl run nginx --image=nginx kubectl get pod NAME READY STATUS RESTARTS AGE nginx-65899c769f-wf7dl 1/1 Running 0 9m kubectl expose deploy nginx --port 80 NAME TYPE CLUSTER-IP EXTERNAL-IP PORT (S) AGE nginx ClusterIP 10.254.75.184 80/TCP 9m. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. It is mandatory to procure user consent prior to running these cookies on your website. 1) Make sure you can resolve Connect and share knowledge within a single location that is structured and easy to search. Then, I created the service.yaml file. So drop the sudo. This issue is stale because it has been open for 90 days with no So that we could suggest the resolution accordingly. Learn how your comment data is processed. WebKubernetes API: cannot list resource "pods" in API group "". Web$ sudo kubectl cluster-info The server and the client should be running with the same Kubernetes version. Heres a head -20:-- Journal begins at Wed 2022-11-09 10:13:49 EST, ends at Wed 2022-11-30 12:38:44 EST. But the various reasons you have a connection refused to localhost I know of are as follows. Can confirm with a tectonic provisioned cluster, even though controller-manager and scheduler deployments are fine, kubectl get cs shows them as unhealthy: If I port-forward the pods and do curl on them, they're fine: A bit digging of the source code showed that the api server hard coded the addresses for controller manager and scheduler: https://github.com/kubernetes/kubernetes/blob/master/pkg/registry/core/rest/storage_core.go#L242-L243. 2K8sNodeThe connection to the server localhost:8080 was refused - did you specify the ri . Step 2: View operational information about pods, containers, the Kubernetes services, and endpoints. Connection refused I even tried installing sample wordpress app. Kubelet is in running state but kubectl is giving connection to the server refused error Ask Question Asked 6 months ago Modified 6 months ago Viewed 3k times https://stackoverflow.com/questions/54608441/kubectl-connectivity-issue. General Discussions. WebAs I suspected your application listens on port 8080. calico-node-9q9z7 0/1 CrashLoopBackOff 23 (26s ago) 3h2m The Response object shows all are Healthy but the table below shows unknown. test with kubectl get cs NAME STATUS MESSAGE ERROR scheduler Healthy ok controller-manager Healthy ok etcd-0 Healthy {"health": "true"} If your aim is to learn how to use kubernetes (as opposed to installing and maintaining) i would suggest etarting with microk8s. The connection to the server :6443 was refused - Discuss If you do not already have a To learn more, see our tips on writing great answers. /remove-lifecycle stale. connection refused Rotten issues close after an additional 30d of inactivity. I know this is very specific to my case, but may help others. When I run kubectl get nodes command I am getting below error. Check your .kube or config in the home directory file. But if you run this as a regular user, you will get "The connection to the server localhost:8080 was refused - did you specify the right host or port?" When using the CoreOS hypercube and kubelet-wrapper, you lose out on the automatically linked container logs in /var/log/containers. Note: kubectl cp requires that the 'tar' binary is present in your container image. coredns-6d4b75cb6d-6hpcw 1/1 Running 32 (45s ago) 3h36m You can also check a discussion thread on Kubernetes form here. Not the answer you're looking for? However now when I do the following: Even if I set the variable explicitly to the config file in my home directory which is: it makes no difference. how can i solve. Webwhere command, TYPE, NAME, and flags are:. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. I've installed the latest edge release -- edge-19.1.3 -- on docker for mac, and it's working as expected. This seemed to include kubectl in homebrew, I traced it down to a link in usr/local/bin and renamed it to kubectl-old. Value ~ with the user executing kubcetl on the worker and master (that may be different of course). If your IP of the master node has been changed and while running `kubect get nodes`, you are getting the error The connection to the server IP:6443 was refused did you specify the right host or port?, then this is the tutorial for you. May I reveal my identity as an author during peer review? if not did you copy it? Now, change the IP address on the file $HOME/.kube/config on your master server using your favorite editor. May I reveal my identity as an author during peer review? docker will assign one on the bridge network. 592), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned. How can the language or tooling notify the user of infinite loops? Kubernetes cluster does not run after To learn more please to the official documentation of kubernetes: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/, This error is also caused when you use the wrong user i.e On the tectonic cluster, the api-server, controller-manager and scheduler are run as hyperkube in separate pods. kubectl get nodes -o wide. root@kube-master:# kubectl get pods -n dev NAME READY STATUS RESTARTS AGE busybox 1/1 Running 1 1h Here is the kubernetes config view What happens if sealant residues are not cleaned systematically on tubeless tires used for commuters? Learn more about Stack Overflow the company, and our products. Use the below command to disable swap temporary, but if your system reboots, issue will re-occurs, Permanent fix is to remove the swap entry from /etc/fstab Encountered the exact error in my cluster when I executed the "kubectl get nodes" command. etcd-k8c1.acme.lan 1/1 Running 82 (2m25s ago) 3h37m Photon 3 Kubernetes calico-node pod calico/node is not ready: felix is not ready: readiness Do you know the address to your K8s API server? I think the best way to resolve Kubernetes problems is checking related services status like kubelet, Stale issues rot after 30d of inactivity. We hope you like this solution and able to resolve the connection issue. Connection refused 4 comments. You signed in with another tab or window. Thanks for contributing an answer to Stack Overflow! sudo kubectl run. I ran the following command in master node and it fixed the error. Am I missing any other service which accepts connections on 6443 port? A car dealership sent a 8300 form after I paid $10k in cash for a car. 2K8sNodeThe connection to the - My bechamel takes over an hour to thicken, what am I doing wrong. Was the release of "Barbie" intentionally coordinated to be on the same day as "Oppenheimer"? So I cannot run any kubectl commands. I'm going to close this out for now. The cluster is working as expected but the health checks fail. Now once you have generated the certificate, it is time to run kubectl command to check the nodes. We hope you liked this article and if you do, please share it with your social network and do subscribe to our blog for more such troubleshooting articles on Kubernetes. kubernetes-version=v1.18.0. If you want to see all the details, you can do: kubectl get componentstatuses -o yaml. I want to install Kubernetes on 3 Masters, 3 ETCDs and 2 Nodes by Kubespray. kubectl Cheat Sheet | Kubernetes Have a question about this project? microk8s config > ~/.kube Assuming I understand what you are saying correctly - No I cannot. k get componentstatuses. Otherwise you can either start and investigate pod by pod in kube-system (.to start with) and understand why they all restart frequently. connection How do I further troubleshoot this issue? I generated the certificate and join command for the second master, and after running it on the second master machine, it failed with Check your inbox or spam folder to confirm your subscription. 0. Thanks for contributing an answer to Stack Overflow! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The text was updated successfully, but these errors were encountered: Hi @mayuchau - I think this looks like a problem with your Kubernetes cluster rather than Knative. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is it the same as the IP/hostname of the master server? You can also try the command. Thanks for your time. Please let us know. when trying to access as a root user and vice versa. Kubectl connection refused intermittently - Discuss Kubernetes I had docker desktop installed. I did deploy Calico after installing the cluster. So I did, with masternodeHostname:6443. Would you mind trying that out to see if it fixes the issue you were seeing with 2.0 in your environment? Kubernetes API server not able to register master node, Unable to initialize Kubernetes cluster upon sudo kubeadm init line command. Copy. Send feedback to sig-testing, kubernetes/test-infra and/or fejta. If you're on linux you can reach the node container's IP. kubectl get componentstatuses - CNCF When I connect to master node which is (1.0.0.0), the port 6443 is not open to accept connections. Checking for not running pods with extended output could help you Use this command to create a service from the deployment above: kubectl expose deployment nginx --port=80 --type=NodePort. For configuring etcd you have to logon to etcd. Is not listing papers published in predatory journals considered dishonest? OBS: my Ubuntu VM are running on VirtualBox in Windows, I didnt look deeper since these envs are for personal testing/learning only. kube-scheduler-k8c1.acme.lan 0/1 CrashLoopBackOff 97 (16s ago) 3h37m. I just did a kubectl get events --all-namespaces | grep -i $podname to look at the controller and I see a ton of killing and restarting events but they dont give you any idea of the root cause. privacy statement. You switched accounts on another tab or window. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. kubectl get nodes - The connection was refused, blog.alexellis.io/your-instant-kubernetes-cluster, Improving time to first byte: Q&A with Dana Lawson of Netlify, What its like to be on the Python Steering Council (Ep. root@master-1:~# microk8s.kubectl get no The connection to the server 127.0.0.1:16443 was refused - did you specify the right host or port? I can also use kubectl from within any of the nodes above. And as such root must have the /root/.kube/config in place. Connection refused Is there a way to speak with vermin (spiders specifically)? Installation method: kubeadm but running kubectl get nodes got response "The connection to the server localhost:8080 was refused - did you specify the right host or port?". Are Smoked Bones Bad For Dogs, Articles K