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18%
Monitoring IoT devices
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © alexutemov, 123rf.com
] and Azure Monitor [3] services monitor the IoT data stream via the alert path. Azure Monitor also offers additional features for analysis, visualization, and automatic actions, which I will not be discussing
18%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
for different security requirements: GnuPG Desktop [3] and Gpg4win [4] are user-friendly desktop versions. GnuPG VS-Desktop [5] is available for particularly secure use in government agencies and companies
18%
Testing Disaster Recovery Plans with Chaos Engineering
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Mark Timberlake on Unsplash
therefore gained significance primarily because of the proliferation of cloud, DevOps, and Kubernetes approaches. The best-known tools are Gremlin [3] and LitmusChaos [4] (Table 1). Gremlin has been
18%
Backup and Restore in Entra ID
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Pavitra Baxi on Unsplash
+Create (Figure 3) to create a new CA policy, where the read-only values are automatically regenerated. All the important configurations, such as included or excluded elements, are transferred correctly
18%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3
18%
Programming with Go
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dimitar Dimitrov, 123RF.com
.0 of the compiler and the specification were released, promising compatibility with future Go releases [3]. Go is thus suitable right now for genuine software projects, not just experiments. The declared goals
18%
Efficient central management of Windows libraries
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© tupungato, 123RF.com
are available in the group policy management editor below User Configuration | Policies | Windows Settings | Folder Redirection (see Figure 3). Figure 3: Managing
18%
AlmaLinux’s ELevate Migration Tool
11.03.2026
Home »  Articles  » 
Lead Image © sergeyback, 123RF.com
place (Figure 3). You can answer these questions by either editing the file directly or using leapp answer . Listing 1 shows the bare minimum fixes you should perform immediately after running preupgrade
18%
Verifying TLS Certificates
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Christos Georghiou, 123RF.com
_ssl_certificate script [3] and returns a result after 140 lines of Perl code. In contrast, certigo and Bash get the job done with just 11 lines of code (Listing 1). Listing 1 Determining the Expiry Date
18%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
Protocol (CARP) is used in the background [3]. If needed, a pfSense installation can transfer its configuration to all other firewalls and then run pfsync to keep the state tables of all the active firewalls

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