Blake Covarrubias

Product Manager and Network Engineering Geek

Exploring the HelmChart Custom Resource in K3s

k3s is a lightweight Kubernetes distribution developed by Rancher which is suitable for edge, IoT, and resource-constrained computing environments. Helm is a package manager for Kubernetes which enables users to find, share, and use software built for Kubernetes. Traditionally, Helm is comprised of a client (helm) and server-side component, Tiller , which manages the deployment and lifecycle of Helm charts. In k3s, Tiller is replaced by Helm Controller . Helm Controller defines a new HelmChart custom resource definition , or CRD, for managing Helm charts....

September 8, 2019 · 6 min · Blake Covarrubias

Installing OpenWrt onto a TP-Link TL-MR3020 router via a serial port from macOS

This is a tutorial for using macOS to install OpenWrt on a TP-Link TL-MR3020 router via a serial port from the CLI. Target audience This tutorial is targeted toward individuals possessing basic to intermediate Linux expertise, and who own a TL-MR3020 which is either bricked (i.e., firmware does not load), or to which they do not possess the administrative credentials required to login and flash the firmware from the web interface....

September 3, 2019 · 7 min · Blake Covarrubias