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Technology Short Take 176

Scott Lowe

Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes load balancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Thanks for reading!

Linux 112
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The Internet of (Secure) Things – Embedding Security in the IoT

CTOvision

These are examples of consumer-oriented sensors and devices, but that has occurred in parallel with business, professional, infrastructure, government and military applications. Here are some examples…. You can opt-in to smart metering so that a utility can load balance energy distribution.

Internet 283
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Technology Short Take 88

Scott Lowe

Speaking of VPCs and subnets, here’s an example of a Terraform module for a VPC with public, private, and internal subnets (similar to the article in the previous bullet). No worries, Calvin Hendryx-Parker has an example of building AWS VPCs with SaltStack formulas. Prefer SaltStack to Terraform? Servers/Hardware.

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Technology Short Take 153

Scott Lowe

Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise load balancing in Kubernetes. And it’s publicly available on GitHub , although not licensed with a typical open source license.

Linux 74
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How can such a small file do so much damage?

Dataconomy

For example, a zip bomb file that is only a few kilobytes in size can expand to hundreds of gigabytes or even terabytes when decompressed. For example, a recursive zip bomb might contain a zip file containing another zip file, and so on. For example, a non-recursive zip bomb that can expand to 1TB can be as small as 10MB.

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Thinking Out Loud: Targeting the Real Problem

Scott Lowe

Clearly there are some real benefits to using OpenFlow in certain use cases (here’s one example ), but that doesn’t mean OpenFlow—especially hop-by-hop OpenFlow, where OpenFlow is involved at every “hop” of the packet forwarding process throughout the network—is the right solution for all environments.

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Weekly Update 6-17-2019: All About Ansible

Linux Academy

Ansible is an open source tool that has been backed by Red Hat since 2015. For example, if you watched last weeks Weekly Update video, What is a Database , or you’ve tried configuring a database before, then you know that it involves a few different steps: Install the database management system. Google Labs.

Linux 60