4,855 questions
1
vote
1
answer
29k
views
How do I test a ClusterIssuer solver?
I'm attempting to deploy a Kubernetes cluster with an SSL certificate using LetsEncrypt on DigitalOcean. I followed these instructions, and everything works right up until the challenge order is ...
- 21.3k
332
votes
31
answers
396k
views
Kubernetes service external ip pending
I am trying to deploy nginx on kubernetes, kubernetes version is v1.5.2,
I have deployed nginx with 3 replica, YAML file is below,
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: ...
- 3,791
682
votes
36
answers
464k
views
How can I use local Docker images with Minikube?
I have several Docker images that I want to use with Minikube. I don't want to first have to upload and then download the same image instead of just using the local image directly. How do I do this?
...
- 7,791
102
votes
6
answers
189k
views
Expose port in minikube [closed]
In minikube, how to expose a service using nodeport ?
For example, I start a kubernetes cluster using the following command and create and expose a port like this:
$ minikube start
$ kubectl run ...
- 3,436
305
votes
18
answers
614k
views
How can I keep a container running on Kubernetes?
I'm now trying to run a simple container with shell (/bin/bash) on a Kubernetes cluster.
I thought that there was a way to keep a container running on a Docker container by using pseudo-tty and ...
- 3,161
181
votes
6
answers
321k
views
pod has unbound PersistentVolumeClaims
When I push my deployments, for some reason, I'm getting the error on my pods:
pod has unbound PersistentVolumeClaims
Here are my YAML below:
This is running locally, not on any cloud solution.
...
- 6,068
550
votes
11
answers
325k
views
Difference between ClusterIP, NodePort and LoadBalancer service types in Kubernetes? [closed]
Question 1 - I'm reading the documentation and I'm slightly confused with the wording. It says:
ClusterIP: Exposes the service on a cluster-internal IP. Choosing this value makes the service only ...
- 6,215
229
votes
12
answers
360k
views
How to set multiple commands in one yaml file with Kubernetes?
In this official document, it can run command in a yaml config file:
https://kubernetes.io/docs/tasks/configure-pod-container/
apiVersion: v1
kind: Pod
metadata:
name: hello-world
spec: # ...
- 3,585
220
votes
25
answers
440k
views
My kubernetes pods keep crashing with "CrashLoopBackOff" but I can't find any log
This is what I keep getting:
[root@centos-master ~]# kubectl get pods
NAME READY STATUS RESTARTS AGE
nfs-server-h6nw8 1/1 Running 0 1h
nfs-...
- 2,311
159
votes
13
answers
382k
views
Kubernetes: how to set VolumeMount user group and file permissions
I'm running a Kubernetes cluster on AWS using kops. I've mounted an EBS volume onto a container and it is visible from my application but it's read only because my application does not run as root. ...
- 4,729
288
votes
7
answers
364k
views
Service located in another namespace
I have been trying to find a way to define a service in one namespace that links to a Pod running in another namespace. I know that containers in a Pod running in namespaceA can access serviceX ...
- 3,283
269
votes
10
answers
402k
views
Kubernetes how to make Deployment to update image
I do have deployment with single pod, with my custom docker image like:
containers:
- name: mycontainer
image: myimage:latest
During development I want to push new latest version and make ...
- 7,716
148
votes
8
answers
274k
views
How to pull environment variables with Helm charts
I have my deployment.yaml file within the templates directory of Helm charts with several environment variables for the container I will be running using Helm.
Now I want to be able to pull the ...
- 4,389
5
votes
1
answer
10k
views
Why container memory usage is doubled in cAdvisor metrics?
I tested those queries. The first query was half the value of the second query:
sum(container_memory_working_set_bytes{image!="",name=~"^k8s_.*",pod=~"$pod"}) by (pod)
...
- 51
244
votes
7
answers
356k
views
How does kubectl port-forward create a connection?
kubectl exposes commands that can be used to create a Service for an application and assigns an IP address to access it from internet.
As far as I understand, to access any application within ...
- 5,042