Seth Vargo is a software engineer and writer focused on Go, developer experience, security, and cloud infrastructure, sharing practical insights from building and operating large-scale systems.
63 articles from this blog
A quick tip on using the keyboard shortcut (Cmd/Ctrl + L) to focus the browser address bar, boosting productivity for keyboard-centric users.
Chef 12 ends support for Ruby 1.8 and older 1.9 versions, requiring Ruby 1.9.3+. This allows cookbook developers to use modern Ruby features.
Explains why Chef runs fail with authentication errors and provides a simple fix using the no_lazy_load setting.
A guide to unit and functional testing of Ruby applications that interact with git, using RSpec to verify commands and their execution.
Explains a workflow using Berkshelf and GitHub to manage and test interdependent Chef cookbooks during development.
A historical overview of DevOps, tracing its evolution from 1980s mainframes to modern practices, focusing on cultural challenges.
A developer's journey to add Chef cookbook badges to the Shields.io service, addressing inconsistent badge design and lack of cookbook support.
A talk on Chef Sugar, a Ruby library for Chef, covering its history and technical internals.
Announcing Chef Sugar v1.2.0, a Ruby gem that extends Chef's DSL with new features like attribute namespaces and version constraints.
The Vagrant Berkshelf plugin is being deprecated and seeking a new maintainer, reflecting changes in the Chef tooling ecosystem.
Introduces ChefSpec v3.1.0's new resource coverage reporter for analyzing test coverage of Chef recipes and resources.
Explains the difference between Chef's chef_gem and gem_package resources for installing Ruby gems in system or Chef-specific contexts.
A guide to handling Faraday::Error::ConnectionFailed in Ruby using a custom middleware for better error management.
Explains how to modify Chef resource attributes at runtime using the resources method, useful for wrapper cookbook patterns.
Explains advanced patterns for using Berksfile, a Ruby-based dependency manager for Chef cookbooks, to improve flexibility and reduce repetition.
A guide on integrating Berkshelf with Amazon Opsworks' monolithic cookbook repository, including two practical methods and caveats.
Introducing Chef Sugar, a Ruby library that extends Chef with helpful DSL methods and logic to simplify and improve recipe writing.
A developer's perspective on Infrastructure as Code (IaC), its principles, and its role in modern DevOps practices.
Explores using Policy objects and Extractors in Rails to handle multi-provider OAuth authentication cleanly, moving beyond CanCan/Pundit for authorization.
A guide to unit testing Chef cookbooks using ChefSpec, focusing on testing instructions rather than results to catch regressions.
