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7%
Can your web server be toppled with a single command?
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Almagami, 123RF.com
of a test which was run on www.domain.com are shown in Figure 2. Notice that I stopped this test between two and three seconds, so it had no effect whatsoever on the test subject's website. The results would ... The common Apache benchmarking tool known as ab can carry off a highly effective DoS attack if you're not prepared.
7%
Modern MySQL Forks and Patches
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Dmitry Karasew, 123RF.com
SQL). The patches can be grouped into three categories: (1) reporting enhancements, (2) functional enhancements of the MySQL kernel and database engines, and (3) performance optimizations. In most cases
7%
Dispatches from the world of IT
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
 
Ridge National Laboratory, and it features 560,640 processors, including 261,632 NVidia K20x accelerator cores. Sequoia, an IBM BlueGene/Q system, now occupies the No. 2 spot on the list, with 16
7%
Monitoring network traffic with ntopng
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
to the supernode on the Internet, which is operated by the ntop developers. The external support provider in turn uses n2n to connect to the supernode and can then access the ntopng installation of the person
7%
Visualizing log and other data
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Gennadiy Poznyakov, 123RF.com
If you want to evaluate your logfiles, you are likely to turn to a log viewing tool. In the simplest case, log viewers show you the data in tabular form; more sophisticated programs at least give
7%
Supercomputing Conference 2024
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © djem, 123RF.com
's Perlmutter Supercomputer. IEEE, 2024: DOI 10.1109/SCW63240.2024.00180: https://conferences.computer.org/sc-wpub/pdfs/SC-W2024-6oZmigAQfgJ1GhPL0yE3pS/555400b391/555400b391.pdf Open OnDemand: https
7%
Microsoft Exchange 2010: The Highlights
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© peapop, Fotolia.com
Exchange 2010 [1] is the latest generation of the Microsoft email server, and it comes with a whole bunch of new and useful functions for administrators and users alike [2]. The version is even
7%
Professional protection for small and mid-size enterprises
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © Guido Vrola, 123RF.com
on the Untangle VM (Figure 1). Figure 1: The path of data through the Untangle NG Firewall or, in special cases, past it. Image from the Untangle wiki [2
7%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
straightforward. If a processor was operating at a fixed frequency of 2.0GHz, CPU utilization was the percentage of time the processor spent doing work. (Not doing work is idle time.) For 50% utilization
7%
VAX emulation with OpenVMS
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Ole Houen, 123RF
-APR-2013 11:54 that is, the day, month as a three-letter abbreviation, year, and time. Then the system searches for devices. After finding all the devices, in particular, the disks DUA0 to DUA2

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