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17%
Creating load for fun and profit
22.05.2023
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Lead Image © Lucy Baldwin, 123RF.com
to maxing out a core with 100 percent load. For example, stress-ng -t 1m -c 0 -l 40 will burden all cores in the system (-c 0) with a 40 percent load (Figure 4). Loading all cores to 40 percent is something
17%
Visualizing IT infrastructures with IVRE
27.05.2025
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Lead Image © Victoria, Fotolia.com
simply start Nmap on your system (e.g., to scan a private home network); just swap in the correct network prefix in the command: nmap -Sv -oX localnet.xml 192.168.0.0/24 The results of the scan
17%
Scalable mail storage with Dovecot and Amazon S3
10.04.2015
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Lead Image © Vlad Kochelaevskiy, Fotolia.com
to send their 20MB PowerPoint presentations by email. Moreover, the number of email users is still growing steadily, and the amount of data stored by all of a provider's users is growing proportionally
17%
OpenMP – Parallelizing Loops
03.04.2019
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code by writing parallel code as much as possible. Why run 100,000+ serial jobs on an Exascale machine? You can accomplish this with cloud computing. OpenMP is one of the programming technologies
17%
HTTP/1.1 versus HTTP/2 and HTTP/3
30.05.2021
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Lead Image © alphaspirit, 123RF.com
by the image with the previously announced size of 32,768 bytes. Listing 1 Opening a Page GET /trainings HTTP/1.1 Host: www.it-administrator.de User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64
17%
Network analysis with Wireshark
30.11.2025
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© Reinhard Eisele
-click the packet details in the packet list to add protocol fields. The release of Libpcap 1.0.0 added the ability to define the buffer size for recording and to view JPG files directly in Wireshark. Version 1
17%
From debugging to exploiting
17.02.2015
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Lead Image © Maksim Kabou, 123RF.com
can refer to the entire process environment by means of the **environ variable; therefore: (gdb) p &environ $4 = ( *) 0xf7f83d64 (gdb) x/100s *environ 0xffffc815
17%
HTML to database with a Perl script
30.11.2020
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Lead Image © Danila Krylov, 123RF.com
for the categories representing the language that was identified in the menu iframe. Listing 1 HTML iframes 01 02 03
17%
File Integrity Checks with AIDE
04.12.2024
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Lead Image © rudall30, 123RF.com
. Further details for each change follow this summary. If you automate the use of AIDE, you will definitely need to evaluate the program's return values. Like (virtually) any application, a return value of 0
17%
Intruder detection with tcpdump
30.11.2025
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© Monika Wisniewska, 123RF.com
.g., 192.168.0.0/24). # tcpdump net 192.168.1.1/24 Src, dst Only capture packets from a source or destination. # tcpdump src 192.168.100.234# tcpdump dst 10.10.24.56 host

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