DevOps – Mike van Riel

Quick-tip: using kubectl when you manage multiple Kubernetes clusters

Posted on February 15, 2019March 7, 2019 by Mike van Riel

Kubectl has this great feature of ‘contexts’ which allow you to switch between clusters or even namespaces within a cluster. But how do you go about adding contexts to your version of kube... Read More

Kubernetes: Unexpected 502 errors when rolling out a new ReplicaSet

Posted on February 14, 2019 by Mike van Riel

The other day I was working on migrating a platform at a client from Virtual Machine based deployments using Ansible to Container-based deployments using Kubernetes. The whole migration went smooth un... Read More

How to fix DigitalOcean’s RancherOS disk size

Posted on January 21, 2018 by Mike van Riel

If you, like me, experienced when you start a RancherOS droplet that the disk size is only 8 gigabytes out of the expected 50 gigabytes, then the following two commands may help: sudo growpart /dev/vd... Read More

Running websites on a Docker Cluster using Rancher

Posted on August 30, 2017 by Mike van Riel

For my company, Ingewikkeld, we are migrating all our services to run on a series of Droplets at DigitalOcean that together form a cluster of Docker containers. This setup should reduce the costs of a... Read More

Mike van Riel

Code, Design and Quality are glorious when in harmony

Category: DevOps

Quick-tip: using kubectl when you manage multiple Kubernetes clusters

Kubernetes: Unexpected 502 errors when rolling out a new ReplicaSet

How to fix DigitalOcean’s RancherOS disk size

Running websites on a Docker Cluster using Rancher