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Silent Observer  

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In the deep waters of scalable environments, observability is more important than ever. Coroot enters the scene with eBPF to intercept traffic and collect data that is of interest for monitoring and attack detection.

Digital Docs  

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A NAPS2 PDF scanner, the C# language, and the .NET Framework set the stage for a CLI app for scanning documents.

First Aid Kit  

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Rescue systems play a particularly important role for desktops because they cannot simply be reinstalled on the fly. We look at venerable but outdated Knoppix and three still in development: Grml, SystemRescue, and Finnix.

Fast and Lean  

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File I/O is a limiting factor for many applications and can become a bottleneck for data-intensive computing. We analyze different file access functions and present a script that visualizes and optimizes inefficient file I/O.

A Helping Hand  

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OTOBO is a user-friendly and completely free ticket system designed to handle complex service requirements that offers an alternative, easy-to-use support tool with Active Directory integration and single sign-on. We show you how to set up and configure OTOBO and how to connect it to third-party systems such as Entra ID.

Ingress NGINX To Be Retired

Toughen Up!  

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Many experienced administrators find that Active Directory is particularly problematic in terms of security. We reflect on the secure design, rigorous hardening, and security-conscious management of this service.

Control Freak  

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If you're looking for a way to make the most of available bandwidth, we'll show you how to throttle and shape traffic with tc.

Freeway  

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NAS filers are typically closed systems that prevent users from installing anything – including a simple backup agent. But what happens if you need a backup?

Cloud Control  

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The OpenNebula toolkit can provide powerful management and provisioning capabilities for virtualized data center operation.

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