Prefetch Technologies Blog

With modern distributed systems performance issues can surface in unexpected ways.

Prometheus is a monitoring system that collects time series metrics from targets at regular intervals.

Software supply chain attacks target the dependencies, build systems, and publishing pipelines that produce the software we run, instead of the application itself.

Over the past few months I've been doing diving deep into PostgreSQL.

It has been a while since I last posted in 2022.

Over the past several years I've read numerous horror stories about cloud deployments gone wrong.

Having worked in the "cloud" for several years, one thing that I'm super conscious about is our cloud bill.

The growth of the Terraform community is absolutely astounding.

When I was first getting started with Kubernetes, RBAC was one of the topics that took me the longest to grok.

Debugging production issues can sometimes be a challenge in Kubernetes environments.

Last month I started a course that teaches you how to write your own Operating System.

Container images are one of the items that makes up a "container."

One of my friends recently reached out with a fun problem.

If you've worked with Kubernetes for any length of time, you are probably intimately familiar with deployment manifests.

This past week I got to spend some time upgrading my CI/CD systems.

Kubernetes has truly revolutioned distributed computing.

Ansible has amazing support for testing services during playbook execution.

As a Kubernetes administrator I frequently find myself needing to debug application and system issues.

This week I was updating some Ansible application and OS update playbooks.

I talked previously about needing to decode docker HTTP headers to debug a registry issue.