Questions tagged [kubernetes]

For questions about Kubernetes, an open-source system for automating deployment, scaling, and management of containerized applications.

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14 votes
2 answers
755 views

How do I automate deployments with Kubernetes?

Assuming I have Kubernetes deployed via Rancher and Jenkins is building new images and pushing them to DockerHub upon check-in of new code to GitHub, how do I automate getting new images deployed? ...
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  • 141
5 votes
1 answer
108 views

How to run a container from within another container while also mounting a volume from the first container?

I'm running a build in Jenkins which is running inside Kubernetes. When the job starts, a container starts in the cluster and the build runs inside it. A step in the build requires building an RPM ...
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12 votes
2 answers
5k views

How can I add an additional IP / hostname to my Kubernetes certificate?

I've recently followed this guide to set up Kubernetes on my local Raspberry Pi cluster. I can access it fine on my LAN; however I'd like to be able to access it remotely as well. I've already set up ...
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  • 143
5 votes
3 answers
241 views

What is the recommended way to monitor differences between multiple Kubernetes namespaces/clusters?

Given a Kubernetes cluster with two namespaces; what is the recommended way to monitor and sync differences in configmaps, deployments, ingresses etc. between the namespaces?
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4 votes
4 answers
2k views

How to manage 10+ team environments with Helm and Kubernetes?

I'm looking for feedback on how we can improve our team environment and staging deployment process. We currently have 10 agile teams, and set up our Kubernetes deployments through Helm as follows: ...
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  • 1,269
3 votes
2 answers
151 views

On-Prem and Cloud Deployments

If I have a mix of cloud and "on-prem" (across different networks) systems to deploy to is there a common tool, technique, or software available? I've used Kubernetes for cloud deployments, but am ...
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2 votes
3 answers
111 views

What are trusted providers that offer wildcard certificates and associated costs to be used in an Orchestration Platform like Kubernetes?

Currently, certbot and nginx are used to create a trusted webpage. Recently, an attempt was made to move the images to a kubernetes cluster on google cloud platform. A guide was found to configure an ...
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  • 12.6k
2 votes
1 answer
40 views

Which libraries generate observability metrics for applications in the cluster to prometheus?

I recently read "Cloud Native DevOps with Kubernetes" by O'reily and it mentions the RED and USE metrics which are a good starting point for gaining better observability into the system, however I'm ...
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  • 1,269
1 vote
1 answer
339 views

Parameterized Kubernetes manifest files?

I'm learning Kubernetes, coming from an AWS/CloudFormation background to set up my company's infrastructure. One of the strengths of CloudFormation is the use a template that can be parameterized for ...
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  • 285
1 vote
1 answer
510 views

What does "eksctl create iamserviceaccount" do under the hood on an EKS cluster?

AWS supports IAM Roles for Service Accounts (IRSA) that allows cluster operators to map AWS IAM Roles to Kubernetes Service Accounts. To do so, one has to create an iamserviceaccount in an EKS cluster:...
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  • 155
1 vote
1 answer
148 views

Cannot start Kubernetes Dashboard

I'm trying to install Kubernetes Cluster with Dashboard on Ubuntu 20.04 TLS using the following commands: swapoff -a # Remove following line from /etc/fstab /swap.img none swap sw 0 ...
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1 vote
1 answer
99 views

Secure Jenkins X on kubernetes

I have installed Jenkins X on kubernetes. I want to change the default installation and secure the Jenkins url, so that it will be not accessible to the public. Can I change it to some port, or some ...
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  • 171
1 vote
2 answers
311 views

Accessing k8s outside of VM

I am running k8s cluster for evaluation purposes inside some vagrant box. I have external kubectl access. I was able to get PostgreSQL helm template running on the cluster. But now let say I want to ...
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  • 111
0 votes
1 answer
633 views

k3s: The connection to the server localhost:8080 was refused - did you specify the right host or port?

When I run any kubectl commands, I'm getting The connection to the server localhost:8080 was refused - did you specify the right host or port?
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0 votes
1 answer
246 views

How can I deploy a Kubernetes cluster onto OpenStack with Terraform?

I know OpenStack has a supported method of installing a Container Container Orchestration Engine (COE) like Kubernetes using Magnum. I can not use Magnum because I am not an administrator on OpenStack ...
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0 votes
2 answers
40 views

What is the supported method for installing Kubernetes on OpenStack?

If I want to install Kubernetes on OpenStack, is there a supported method to do this?
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