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47%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
the VirtualBox website [1]. For Linux users, Oracle continues to provide repositories for various Linux distributions [2]. The non-free components, such as support for USB 2.0 devices, the VRDP server, and PXE
47%
Realistic Ceph Performance Tuning Measures
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Brenton Pearce on Unsplash
cannot be used later. Fortunately, Ceph provides several helpful tools for this purpose. For example, the command ceph tell osd.0 bench 12288000 4096 4194304 100 measures the performance of the drive
47%
Industrial Wireless Standards at a Glance
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © Gloria Rosazza, 123RF.com
space and, in turn, enabling the practical implementation of what used to be purely theoretical complex wireless methods. In this article, I provide an overview of wireless standards that currently play
47%
Managing Logs
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Conny Schneider on Unsplash
Effective log management is one of the cornerstones of any secure IT infrastructure. Logs from servers, firewalls, switches, and applications provide valuable insights into system errors, security
47%
A Serverless Alternative to Kubernetes
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Andrew Neel on Unsplash
requests and responses. Although Flask provides a development web server out of the box, this is not suitable for production purposes, which is why a third dependency, gunicorn, comes into play, providing
47%
The latest developments in Open-Xchange 6.20
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Robert Byron, Fotolia.com
According to figures released by Open-Xchange (OX) [1], they are the leading international technology supplier for hosted groupware, with more than 24 million users. Customers of Internet provider 1
47%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
is a generic networking API that provides access to several protocols. To better understand the ARP cache poisoning process, consider an alternative tool called Nemesis. If you have the IP and MAC
47%
Remote Desktop with UltraVNC
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anthony DOUANN, 123RF
, remote maintenance means not just providing help desk functionality, but also providing maintenance experts or engineers with a hardware-based diagnostics option that doesn't require a working operating
47%
Nagios author Ethan Galstad
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
a question about it, you can find somebody that can provide assistance in Portuguese. When we talk about the advantages of Nagios, you know, you can get help in your language, you can get free add
47%
News for Admins
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
 
, attracting contributors, users, and champions. What's even more exciting is it provides an open standard for document-based applications, like what SQL did for relational databases," said Jim Zemlin, executive

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