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37%
File access optimization discovery and visualization
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Barnabas Davoti on Unsplash
is important. Most existing tools (e.g., Darshan [1], Vampir [2], libiotrace [3]) are profilers that collect data during runtime and provide the collected data for later analysis. With the libiotrace
37%
Flexible user authentication with PAM
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Ana Vasileva, Fotolia.com
but from a directory service. This task can be simplified by deploying PAM [1]. Modular Authentication Originally developed in the mid-1990s by Sun Microsystems, PAM is available on most Unix-style systems
36%
With great PowerShell comes great responsibility
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© imagesource, 123RF.com
Shell 2.0, which I use here. Windows 8 and Windows Server 8 will use the new PowerShell 3.0, to be released soon. To begin, I introduce PowerShell information retrieval to you via the "Get" commands
36%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
m0.008s Line 8 of the backtrace in Listing 6 shows that the issue is caused by the file permissions: The Nagios user wants to write the webrat.log file but does not have the required permissions ... 3
36%
FreePBX phone system
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Lofik, Fotolia.com
that implement SIP with WiFi 6 or 7 have long been available on the market. They use the existing WiFi infrastructure, including WPA3 encryption; they cost hardly any more than DECT phones but can do far more
36%
Passwords, passphrases, and passkeys
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © berkay08, 123RF.com
password, and the need to remember it. Unrealistic Rulesets Bill Burr wrote the official password guide for the U.S. National Institute of Standards and Technology (NIST). According to the guide
36%
Bare metal lifecycle management with six open source tools
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Beth Macdonald on Unsplash
of a new setup phase in the data center. Foreman can be installed retrospectively, but this is even more time consuming. Tinkerbell: Success with Kubernetes Tinkerbell [3] has made a name for itself
36%
Proactive threat detection
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © dunord, 123RF.com
it to process after loading, which makes it clear that Falco is not an entirely new solution, because the kernel driver is, strictly speaking, legacy software and dates back to the days when eBPF [3
36%
Mobile hacking tool
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Valentina Curini on Unsplash
also acts as a USB-to-UART/SPI/I2C adapter and supports Bluetooth spamming. This low-energy denial-of-service (DoS) attack can be used to crash iPhones and iPads in particular. Devices with iOS 17
36%
Aggregate alerts from various monitoring systems
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Chittima Kasa, 123RF.com
alerts. You can save yourself some work with the docker-alerta Docker image [3] from the GitHub repository. To begin, open the docker-compose.yml file and change the value for ADMIN_PASSWORD; then, start

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