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38%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
)/8; switch(count%8){ case 0: do{ *to = *from++; case 7: *to = *from++; case 6: *to = *from++; case 5: *to = *from++; case 4: *to = *from++; case 3: *to = *from++; case 2: *to
38%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
and least connected, and they are also the most commonly used in LVS clusters. Configuration Piranha [3] is a clustering product from Red Hat based on the LVS concept. It includes the IPVS kernel code ... 3
38%
Monitor applications end to end
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Photo by Adam Winger on Unsplash
continuously slows down after 3:00pm, suitable extrapolation methods can be used to determine when the shopping cart will no longer respond and allow developers and administrators to take action in good time
38%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© 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 1.6 ... An administrator can only gain useful insights from network analysis if they understand the underlying procedures and protocols. The new version of Wireshark, 1.6, formerly known as Ethereal, can
38%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
CentOS 5 to 6 would work – a procedure the release notes advise against – a virtual environment seemed like the prudent decision. The first step is to create a copy of the current system, which should
38%
Efficient central management of Windows libraries
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© tupungato, 123RF.com
to view other system folders, such as the trash or the Action Center: 645FF040-5081-101B-9F08-00AA002F954E BB64F8A7-BEE7-4E1A-AB8D-7D8273F7FDB6 respectively. A full list is available at the MSDN Library
37%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
. Here are some examples: _{3,} – Three or more consecutive underscores · {2,5} – Between two and five spaces in a row (where · is a space) (the·){2} – Two consecutive

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