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52%
Managing Logs
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Conny Schneider on Unsplash
://packages.graylog2.org/repo/packages/graylog-6.3-repository_latest.deb sudo dpkg -i graylog-6.3-repository_latest.deb sudo apt update sudo apt install graylog-datanode Graylog uses OpenSearch as the search
52%
From Out of the Blue
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
editor, grep, and a cross-referencer (either cscope [2] or LXR [3]). Although automated source code vulnerability scanners have their place, especially in auditing very large code bases, I haven't found ... 3
51%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
, Mac OS X, and Solaris), and it supports a wide number of guest systems, including exotics such as DOS/WIN 3.1 and OS/2. Installing VirtualBox is easy on any platform because it usually only involves
51%
Virtualize Browsers, Apps, and Desktops
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © denis cristo, 123RF.com
available. Most images are not limited to AMD64 (x86_64) architectures but also work with ARM64 (aarch64) processors and even comparatively low-performance 32-bit ARMv7 systems, such as the Raspberry Pi 3
51%
Flexible user authentication with PAM
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Ana Vasileva, Fotolia.com
configuration, you might want to test the device itself. To do so, scan a fingerprint by giving the tf-tool --acquire command (Figure 3). Then you can use tf-tool --verify
51%
Warding off the rise of VoIP spam
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Izaokas Sapiro, 123RF.com
't envisage a centralized instance for mutual authentication. Although RFC 4474 [3] defines how to sign SIP messages to allow Alice to authenticate against Bob, there are no widespread implementations
51%
Filesystem for Self-Healing Storage
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Sergey Nivens, 123rf.com
consistency-checking tools. One of the most important is xfs_scrub, which performs metadata verification while the filesystem is mounted and active [3]. Instead of modifying data directly, it checks internal
51%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
on hand; it is available on the web [2]. You will also find it useful to have the current version 1.0.2 [3] of the OCF Resource Agent Developer's Guide , created by Hastexo's Florian Haas. The Developer
51%
Protecting web servers with ModSecurity
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© KrishnaKumar Sivaraman, 123RF.com
but comprehensively documented [3]. It logs HTTP requests and gives administrators unrestricted access to the individual elements of a request, such as the content of a POST request. It also identifies attacks in real
51%
A free anti-spam tool for Exchange environments
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© baurka, 123RF.com
businesses might also be interested in the POP3 connector in ASSP. This feature lets you pick up email from various POP3 servers, scan the messages for viruses and spam, and then forward the results

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