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  • Article (Print) (19)
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39%
Manage VMs and Containers with Harvester
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Lightwise, 123RF.com
into the central Rancher UI. You can now use advanced features in the GUI, such as the automatic deployment of an RKE2 or K3S cluster. Rancher then automatically builds the VMs in Harvester, configures them
38%
Checking Kubernetes Security Drift
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Bob Jenkin on Unsplash
When you run multiple Kubernetes (K8s) clusters (e.g., production, staging, disaster recovery), you expect them to enforce the same security controls. But do they? Emergency fixes, temporary
38%
Strengths and Weaknesses of Docker Swarm and Kubernetes
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Stanislav Fadyukhin, 123RF.com
patches. Kubernetes distributions: Products such as Rancher, OpenShift, or K3s offer additional automation, user-friendly administration interfaces, and preconfigured integrations. OpenShift, for example
38%
Disaster Recovery for Entry-Level NAS
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
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in Amazon Simple Storage Service (S3), for example, but cannot be accessed in the clear. Instead, access requires the specified key that the administrator enters in the backup software. For Synology
38%
Pogocache In-Memory Database
06.08.2026
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Pogocache [1] processes more than 3 million requests per second, whereas Memcached only achieves around 2.5 million under the same conditions. At the same time, Pogocache exposes the processor
38%
Realistic Ceph Performance Tuning Measures
02.06.2026
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Photo by Brenton Pearce on Unsplash
, you will want to configure the drive that way. By the way, you can run ceph daemon osd. perf dump to show the performance values currently measured by the OSD for each daemon (Figure 3
38%
Verifying TLS Certificates
06.08.2026
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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
38%
Virtualize Browsers, Apps, and Desktops
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
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. The Neko project does not have any X (Twitter) account[s] and is not involved in any crypto tokens. Please do not fall for these scams." Developers can also carry out manual or automated tests
37%
Testing Disaster Recovery Plans with Chaos Engineering
02.06.2026
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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
37%
Power Pages in Microsoft Dataverse
02.06.2026
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Platform and therefore on Microsoft Azure, which means Azure modules such as a web application firewall (WAF), DDoS protection, and other network functions can be used in Power Pages. These services

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