Kubectl exec not working. Ask Question Asked 4 years, 5 months ago.
Kubectl exec not working default Server: 10. Examples: # !!!Important Note!!! # Requires that the 'tar' binary is present in your container # image. 4 to 0. But when I use --disable-filter , it is prone to vulnerability. Same thing happens if -it is not used, but Control-C does also kill it in that case. kube\config location and now when I try to run any command e. g. Apr 26, 2018 · After that, I could execute kubectl exec commands successfully. 10 Address: kubectl exec will give you full shell access to the container, so modifying it and installing packages that are not part of the container image is possible but is not recommended unless for temporary troubleshooting purposes. I had some ideas about how it should be, but I wasn’t 100% sure. Using kubectl exec Summary After installation the Gitlab agent in EKS, pipelines with kubectl exec commands fails. # kubectl exec -it coredns-5644d7b6d9-285bj -n kube-system sh error: Internal Oct 20, 2024 · To test whether a pod can reach the service, use kubectl exec to run a connectivity test (e. What happened: kubectl exec -it pod -c foo sh is hanging hard immediately, with no output, and Control-C does not kill it, the process must be killed. 26. Can I not insert new env vars after a pod is already deployed? $ kubectl exec -it -n mongodb-test mongodb-1-7ww9k -c mongodb sh somehow the path to where the mongo executable is was being set into PATH (through . Feb 28, 2018 · . kubectl exec mypod -- date. Shell does not start on version 0. Modified 4 years, 5 months ago. , ping, curl, or telnet) from one pod to another. To Reproduce Steps to reproduce the behavior: On Windows, use K9s 0. how to kubectl exec into a pod or container. 96. It simply hangs when trying to exec the command. g kubectl get pods I am receiving: Unable to connect to the server: getting credentials: exec: executable kubelogin not found It looks like you are trying to use a client-go credential plugin that is not installed. Aug 23, 2019 · I have recently started working with Kubernetes and Docker and still new with how it all works. cluster. Apr 21, 2024 · This documentation is about investigating and diagnosing kubectl related issues. \kubectl exec simple-sswebapi-pod-v1-f7f8764b9-xs822 -- nslookup google. # Get output from running the 'date' command in ruby-container from pod mypod. Viewed 3k times 3 . $ kubectl exec -i -t network -- nslookup kubernetes. The script seems to generate the command just fine but errors out when Jul 17, 2019 · k9s tries to execute kubectl (which is the proper behavior), but this doesn't invoke microk8s. Oct 4, 2022 · Describe the bug A clear and concise description of what the bug is. kubectl because then snap doesn't know what to do, since you're running a command it doesn't know anything about. We’ll look at both scenarios next. If extra modifications or packages are required permanently for the container, the image should be modified, and the new May 20, 2021 · As per kubectl documentation, the files and directories should be in . The error message is: error: Apr 2, 2025 · Issue: kubectl logs, attach, exec, or port-forward command stops responding. Dec 29, 2019 · See 'kubectl get -h' for help and examples C:\Users\Debo>kubectl get pods --all-namespaces NAMESPACE NAME READY STATUS RESTARTS AGE default sawtooth-0-65d547498c-mfrsb 7/7 Running 1 120m kube-system coredns-6955765f44-b684l 1/1 Running 0 122m kube-system coredns-6955765f44-tc4vg 1/1 Running 0 122m kube-system etcd-minikube 1/1 Running 0 121m First I am trying to set it as an env var, but it does not seem to persist. From outside container: Feb 24, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args] # Get output from running the 'date' command from pod mypod, using the first container by default. Used by many of the most security-conscious organizations in the world to curate and customize Open Source software artifacts Jul 9, 2018 · kubectl exec -it -n NAMESPACE pod-name -- /bin/bash. I didn’t know the answer and I noticed that I had never thought about the mechanism in “kubectl exec”. kubectl exec -it <pod-name> -- ping <service-IP> Mar 18, 2024 · Depending on its image, a container in a Kubernetes pod may or may not have curl pre-installed. kubectl exec -it -n mongodb-test mongodb-1-7ww9k -c mongodb -- sh -c mongo Apr 2, 2025 · Tanzu Application Catalog. 6 Use <s> on a Jul 27, 2021 · How to kubectl exec to freshly created pod? Hot Network Questions Is there a name for the following argument that observing (P & Q) implies there is evidence of (P implies Q)? Jan 13, 2021 · Use 'kubectl describe pod/hub-cronjob-dev-597cc575f-6lfdc -n hub-dev' to see all of the containers in this pod. A message Request filter disabled, your proxy is vulnerable to XSRF attacks, please be cautious is displayed with --disable-filter . kubectl cp --help Copy files and directories to and from containers. 6 on Windows from a pod. svc. First, check if your cluster has any nodes. Ask Question Asked 4 years, 5 months ago. Apr 13, 2018 · What happened: I can no longer connect to /bin/bash in my running pods. Can I not insert new env vars after a pod is already deployed? Aug 25, 2019 · Last Friday, one of my colleagues approached me and asked a question about how to exec a command in a pod with client-go. default. Oct 31, 2022 · I'm trying to create a script in order to run multiple kubectl exec commands against multiple pods with multiple containers. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. You can't just create a symlink for kubectl -> microk8s. If you've scaled down the number of nodes in your cluster to zero, the commands Jan 12, 2023 · kubectl exec command examples. bash_profile:confused), but when I tried to call mongo, using the below command, the same was not happening. I tried to run the following: kubectl exec -n "test" -c my-container "pod-0" -- bash -c "export ENV=TEST" It runs without errors, but when I get inside the pod I can't find the variable. I've verified that bash is installed (/bin/bash --version). or. What you expected to happen: That my local terminal successfully connects to the pods bash terminal. Apr 12, 2023 · I copied this file into default . /usr/src/app $ curl sh: curl: not found Tried with bash $ kubectl exec -ti cronjob-dev-597cc575f-6lfdc -n hub-dev bash mand in container: failed to exec in container: failed to start exec Jun 14, 2018 · kubectl get pods -o wide ping <pod-ip> If you're debugging service discovery: nslookup my-service. 0. I Aug 19, 2024 · Execute a command in a container. Can you ssh into your K8s control plane and attempt to ping one of your Kubelets? Sep 19, 2023 · This page shows how to use kubectl exec to get a shell to a running container. If the kubectl logs, attach, exec, or port-forward commands stop responding, typically the API server is unable to communicate with the nodes. If 'tar' is not present, 'kubectl cp . Mar 26, 2019 · But suddenly the kubectl command stopped working. I have made a ps1 script to run all the steps I need to do to build image and execute image on Kubernetes. Jul 8, 2020 · Yup so this likely means that your Kubernetes control plane cannot reach your Kubelet's IP addresses, the reason here is that both exec and logs are special API calls which require the Kubernetes APIServer to send traffic directly to the Kubelet. kubectl exec -it -n NAMESPACE pod-name -- /bin/sh. kubectl create bash: kubectl create: command not found kubectl run bash: kubectl run: command not found SBGML02586:~ mku01$ kubectl kubectl controls the Kubernetes cluster manager. 2. how to choose container while executing command. But when it does, we can readily run curl in it using kubectl exec. Kubectl exec bash or any other shell. tar extension for kubectl cp to work, otherwise it will fail. com Where I am using the kubectl exec to try and run this nslookup in the POD that was found (running I should point out above). I noted the topic to check again and I have learnt a lot after reading some blogs, docs and source Oct 8, 2022 · If you see something like the following, DNS is working correctly. kubectl exec -it -n NAMESPACE pod-name -c container-name -- /bin I can't successfully run kubectl commands, such as kubectl exec, kubectl logs, kubectl attach, or kubectl port-forward, in Amazon Elastic Kubernetes Service (Amazon EKS). kubectl. I've tried both locally and from the google cloud console. local To see which pods back a service: kubectl get endpoints my-service Oct 15, 2020 · awk command not working with kubectl exec. Oct 7, 2023 · First I am trying to set it as an env var, but it does not seem to persist. Case 2: There is more than one container in the Pod, the additional -c could be used to figure out this container. Of course, if it doesn’t have curl, it can’t run curl commands. it depended on the type of shell command used in your pod. local dig my-service. If you encounter issues accessing kubectl or connecting to your cluster, this document outlines various common scenarios and potential solutions to help identify and address the likely cause. kubectl command is working fine but for everything else it say command not found. What I see is all steps work fine on ISE (except this one: "kubectl exec -it test-runner pwsh"). xpuqyeyaafzavvkftzpdfckduvaqpgzsuxbqyvsyaknsqqcwgqgvndihyifrlgr