The Spice Kaffein must flow
Bytes
Bytes are long form posts (or series of posts) to dive into a topic.
Give yourself permission to make something imperfect
Sometimes you have to get out of your own way and send it. If you can figure out how.
Kubernetes RBAC Concepts
A brief introduction to Kubernetes RBAC and its associated logical application identity objects. This model provides a different perspective than "standard" human identity User and Group definitions.
Retrospective: Mind Blowing Moments from Kubecon NA 2019
Some interesting technologies I learned about at the 2019 Kubecon NA conference in San Diego.
Linux capabilities and Kubernetes
Linux capabilities are a mechanism to assign specific sets of privileges to processes. Container runtimes leverage Linux privilege capabilities to selectively grant elevated system permissions to as needed. Kubernetes builds on this approach to grant permissions to pods. It's turtles all the way down!
Systemd unit files, overrides, and override ordering
Systemd apparently has a hierarchy of override locations and files for services. Let's walk through them together.
Using the Opennebula monitoring driver to populate host attributes
An example of collecting and exposing Opennebula IAAS VM host information. We use this to schedule VMs to specific hardware stacks, but the options are endless!
Chef tooling in 2019
Dive into and map out the state of the art of Chef supportig tooling together to understand how they all fit together.
Building a good foundation with Chef default generator templates
Configuring sane defaults in Chef with default generator templates can help kickstart projects and deliver results more quickly.
Getting an MVP out with Chef
Shipping anything with an established technology has risks of endless yak-shaving. Starting a new project with Chef in 2018 can be a challenge.