Last Updated: 2099-07-05

Andrew Denner

Andrew is the president of the Central Iowa Linux Users Group (CIALUG). By day he is a Senior Software Developer working in High Performance Computing, and cloud computing. In his free time he enjoys tinkering with Linux as well as playing the Tuba.

Presentations By Andrew Denner

SLUUG - November 13, 2024

A high tech image capturing the theme of containerization technology. Feature a gradient background blending shades of blue and green for a modern feel. Place a network of interlocking, transparent 3D cubes, indicative of digital containers in the center. Highlight a generic open-source project logo, slightly embossed, occupying the center position while giving reference to a well-known open source whale logo subtly on one side, slightly faded but still visible. Incorporate the logo of a system daemon, seamlessly integrated within the intricate network design. Add motorways of circuits connecting these logos and elements, illustrating their interaction. Place discreet icons resembling security shields around the image to symbolize enhanced security features.

Unleashing the Power of Podman: A Docker Alternative

By: Andrew Denner

When IPtables isn't really IPtables

By: Lee Lammert

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STLLUG - August 22, 2024

Create a visually dynamic image that illustrates the concept of building and containerization in the field of technology. The color palette is primarily blue and white, with secondary colors of light grey and teal. The image includes a background transitioning from a lighter blue at the top to a darker blue at the bottom. The central graphic is a large, stylized container, but not directly a Docker container, which has a robotic arm or gears that appear to build or assemble it. Inside this container is the Buildah logo, designed to look clean and modern. The OCI logo (Open Container Initiative) is subtly incorporated at the bottom right of the image. The design should also include soft, abstract lines or circuit-like patterns in the background and dotted lines sweeping across the image to create a sense of dynamic movement. The visual elements should be a combination of vector art and 3D-like renderings to catch attention immediately.

Buildah - A Scriptable Way to Build OCI Containers

By: Andrew Denner

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STLLUG - April 18, 2024

Create a striking and moody image representing a security issue for a blog announcement titled 'The XZ Hack: Unveiling the Near-Miss in xz and liblzma'. The image should have a gradient background transitioning from dark blue to black, symbolizing sophistication and ominousness. In the center, a high-resolution image of a lock that's half-broken with glowing red crack lines emanating from it should be placed, symbolizing compromise in security and vulnerability. At the top-left, subtly blend the logo of a utility unit and at the bottom-left, place a logo honoring open-source operating systems. A grayscale logo of a tech news site should be positioned at the bottom right. Overlaid faintly across the image horizontally should be binary code, representing underlying data. A shadowy image of a hacker should be blended into the background on one side, suggesting the undetected threat. Red accents or highlights around the broken lock and a soft white glow around the logos should be present to draw focus.

The XZ Hack

By: Andrew Denner

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SLUUG - May 11, 2022

Create an image with a dark background transitioning from deep navy blue to black, adding the sense of secrecy and protection. Add dimly lit digital data trails moving across the scene, suggesting network data traffic. Place a glowing, semi-transparent onion in the center, with several layers peeled back to symbolize encryption and anonymity, using TOR as a theme. Add various small server icons around the onion, indicating relay nodes in an overlay network, and scatter subtle variations of the simple purple onion logo, some slightly tilted or faded for dynamism. Insert a subtle global map placed in the background, showing relay positions as points of light, connecting these positions to the central onion with digital lines. Make the aesthetic clean, high-tech, with subtle glows and shadows, ensuring the image components work harmoniously without overpowering the central onion symbol, thereby creating a narrative of a networked, anonymous system.

Building and maintaining a container

By: Andrew Denner

TOR - The Onion Router

By: Lee Lammert

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STLLUG - March 18, 2021

Create a futuristic and high-tech image for a presentation about 'Local Kubernetes For Dummies'. The background should represent a holographic-style grid subtly glowing in shades of blue and purple, giving a sense of depth and modern technology. In the center, slightly elevated, render an icon of a stylized ship's wheel in a glowing neon-blue hue, symbolizing Kubernetes. Attached at the bottom left to this icon using glowing path lines, design an icon of a whale with containers on it in a contrasting glowing green hue, to represent Docker. Similarly, on the right side of Kubernetes icon, linked via glowing lines, place an icon signifying Helm in glowing orange hue. Throughout the grid background, place small abstract tech icons (nodes, containers, etc.). Overlay the background with a gentle layer of binary code or circuit patterns. Ensure to use subtle gradients and light flares around the icons to make them stand out. The image should maintain professional, clean, and not overly crowded aesthetics.

Local Kubernetes For Dummies

By: Andrew Denner

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