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22%
Market Overview of OpenStack Distributions
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Håkon Grimstad on Unsplash
) [6], a central SCS component, as well. It shows how OpenStack can be operated consistently with modern tools. Figure 4: OSISM is considered
22%
Protecting web servers with ModSecurity
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© KrishnaKumar Sivaraman, 123RF.com
of the client request (both for POST and for GET), as well as the most important server environment details [6]. Additionally, you can use regular expressions. For example, to investigate an HTTP request to find
22%
Warding off the rise of VoIP spam
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Izaokas Sapiro, 123RF.com
, and to provide protection against VoIP spam by various means. Additionally, other initiatives are SpITAssassin [6], an extension of SpamAssassin functionality, and the SPIT defense solution (SPIT AL). SPIT AL
22%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
). The following command finds all lines that begin with an opening tag and end with the corresponding closing tag: grep "^<([^/ >]+)[^>]*>.*$" something.htm The command displays lines 1, 2, 6, 7, and 10
22%
Ceph Dashboard at a Glance
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © Prin Pattawaro, 123RF.com
in a short space of time. Object Storage Daemons (OSDs) [6], for example, can fail because the underlying drive has failed. In this case, placement groups [7] change their states, resulting in rebalancing

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