John Kwiatkoski Author
Supporting DO Kubernetes Users everywhere!
133 contributions
108.4k contribution views
Skills
- kubernetes
- ansible
- containers
- linux
- ubuntu
- fedora
Recognition
Contributions
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Published Answer
How do you clone a PersistentVolumeClaim in Kubernetes ?
Hi there! One way to accomplish this would be using volumesnapshot objects. This will allow you to take a snapshot of a pv, and … -
Published Answer
General: autoscaling & security
Hi there, Yes there is a difference between the two. The first command kubectl autoscale automatically scales out your pod …Accepted Answer: Hi there, Yes there is a difference between the two. The first command kubectl autoscale automatically scales out your pod … -
Published Answer
pod didn't trigger scale-up (it wouldn't fit if a new node is added)
Hi there! As the two answers above mention. There is overhead from both the containerized infrastructure and the system that lim… -
Published Answer
I cannot access my k8s cluster - DO configs do not work
Hi, Can you try completely deleting /home/xxx/.kube/config and then rerunning that doctl command? Sometimes stale data can hand … -
Published Answer
Kubernetes. Unable to connect to the server
Hi there! This can occur if you have any API heavy workloads deployed that put strain on the master node. If you want you can op… -
Published Answer
Monitoring kubernetes cluster
Hi there! In addition to Bobby’s answer above I would recommend the Prometheus Operator. This can be easily installed via helm c… -
Published Answer
How to set up IP whitelist on DigitalOcean Kubernetes?
It looks like theres a blog post here about preserving the clientIP. https://andrewmichaelsmith.com/2020/02/preserving-client-ip… -
Published Answer
External k8s node to digitalocean managed k8
Hi there! Currently there is no support for adding external nodes to our DOKS offering. All of our provisioning and configuratio… -
Published Answer
waiting for a volumene to be created
Hi there! Does this occur everytime? Can you try creating another pvc? Does that one also fail? It may have just been a blip in … -
Published Tutorial
How To Set Up ReadWriteMany (RWX) Persistent Volumes with NFS on DigitalOcean Kubernetes
With the digitalocean-csi, DigitalOcean Block Storage, and the NFS protocol, you can make a ReadWriteMany (RWX) Persistent Volume for Kubernetes. In this tutorial, you will configure dynamic provisioning for NFS volum... -
Published Answer
How can I unzip a file in a mongodb container installed using helm in a DO K8 cluster ?
Another approach you could take to not affect your image would be to have it already extracted locally to some dir locally, then us… -
Published Answer
Kubernetes vs Docker: What is the difference?
A oversimplified way of thinking about it is: Docker is a technology to containerize and run an application. Kubernetes is a … -
Published Answer
How to get Loadbalancer Health Checks to work with externalTrafficPolicy: Local
I’m happy you got this working, also it may not always be a necessary for all of your nodes to field traffic. That could end up bei… -
Published Answer
How to set up Jenkins on Kubernetes
Hi there, FOr getting up and running I would look into the Jenkins helm chart: https://github.com/helm/charts/tree/master/sta… -
Published Answer
Error when trying to deploy new volume from Kubernetes
Hi there, If you open up a support ticket I can get this straightened out for you. Regards, John Kwiatkoski Senior Develo… -
Published Answer
Problem when deploying new volume via Kubernetes (limit 5 volumes reached)
Hi there if you open up a support ticket I can get this straightened out for you. -
Published Answer
Is it possible to have a static outgoing ip in kubernetes
We currently do not have any service in which to control/monitor kubernetes egress traffic nor do we have a guaranteed IP range of … -
Published Answer
Load Balancer ports switching?
This may be because of the default protocol you’re selecting. Can you try using the following annotations instead: service.beta....Accepted Answer: This may be because of the default protocol you’re selecting. Can you try using the following annotations instead: service.beta.... -
Published Answer
Custom loadbalancer?
Hi there, You can change the services type to NodePort or ClusterIP if you do not want a load balancer to be provisioned. Yo… -
Published Answer
Can Cilium Network Policy be leveraged to blacklist troublesome hosts
hi there, You could certainly use networkPolicy objects to enforce rules like you described. Another option would be to use a si…Accepted Answer: hi there, You could certainly use networkPolicy objects to enforce rules like you described. Another option would be to use a si…