Luke Hebert
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Welcome to the articles section, where business, technology, and everyday problem-solving meet. You’ll find practical how-tos, troubleshooting notes from the trenches, and the occasional take on whatever’s happening in the world. Some posts will save you time, some will spark ideas, and a few will just be me thinking out loud. Grab a coffee and dig in.

Organizational Dynamics October 1, 2026

Organizational Dynamics

To sustain long-term organizational growth, companies must view employees at all levels as their most valuable asset and actively invest in their retention and well-being.
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Enable Kubelet Certificates in Kubernetes if you forgot. August 23, 2025

Enable Kubelet Certificates in Kubernetes if you forgot.

Enables kubelet TLS bootstrapping so the controller-manager issues proper serving certificates, resolving the x509 certificate validation error in metrics-server. Covers deployment edits, controller-manager configuration, and automated certificate renewal.
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AWS Default DNS Server (EC2) August 21, 2025

AWS Default DNS Server (EC2)

Explains how the AWS default DNS server works for EC2 instances within a VPC, including the special 169.254.169.253 address and the CIDR-based resolver IP.
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AWS Instance Metadata August 21, 2025

AWS Instance Metadata

An overview of the AWS EC2 Instance Metadata Service (IMDS), including its link-local address and the difference between IMDSv1 and IMDSv2 access.
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AWS User-data Address August 21, 2025

AWS User-data Address

Explains how to access AWS EC2 user data from within an instance using the instance metadata service. Covers the metadata endpoint, a curl example, and where the user data script is stored on Linux and Windows.
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Basic Iptables Insert August 21, 2025

Basic Iptables Insert

Learn how to insert iptables rules at a specific position using the -I flag, with syntax breakdown and a practical SSH example.
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