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.
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 the difference between Chef's chef_gem and gem_package resources for installing Ruby gems in system or Chef-specific contexts.
Explains advanced patterns for using Berksfile, a Ruby-based dependency manager for Chef cookbooks, to improve flexibility and reduce repetition.
A developer's perspective on Infrastructure as Code (IaC), its principles, and its role in modern DevOps practices.
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.
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.
