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15%
Aggregate alerts from various monitoring systems
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Chittima Kasa, 123RF.com
alias alerta="docker exec -it root_web_1 /venv/bin/alerta" alerta version The final command outputs the version number and automatically checks whether the containers are running and whether internal
15%
Bare metal lifecycle management with six open source tools
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Beth Macdonald on Unsplash
world will inevitably have heard of Foreman [1]. The software is a classic utility in bare metal lifecycle management and has its roots in the early years of the Linux automation movement. For a long time
15%
Testing Disaster Recovery Plans with Chaos Engineering
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Mark Timberlake on Unsplash
infrastructure. Conclusion The changes in today's IT landscapes call for new tools to get to the root of potential sources of error. Modern systems, applications, and infrastructures often host dozens or even
15%
Disaster Recovery with Built-In Tools on Windows Server 2025
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © andresr, Fotolia.com
section in the context of the installed roles. The corresponding EVTX files reside in %SystemRoot%\System32\winevt\Logs. Pay attention to the following event IDs: IDs 8193 and 12289: These errors occur
15%
Realistic Ceph Performance Tuning Measures
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Brenton Pearce on Unsplash
, such as the root filesystem. Caution is advised with RAID controllers in Host Bus Adapter (HBA) mode: These often do not work properly and, in Just a Bunch of Disks (JBOD) mode, limit the writes available across all
15%
Taming the HPC Software Stack Fragmentation Problem
21.07.2026
Home »  Articles  » 
 
_INIT; some of them are due to configuration settings and some are due to hardware failures. -------------------------------------------------------------------------- The root cause for the error is that the runtime linker found a different
15%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
person by phone or pager. Once the root cause of the problem has been identified, any subsequent errors shouldn't lead to more alerts. And so on. OpenNMS can send notifications to users and groups
15%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
package manager RubyGems (1.3.5 or newer) in place. Once Ruby and RubyGems are ready for action, you can install Cucumber-Nagios and all its dependencies by becoming root and executing: gem install
15%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
runs with root privileges. The exceptions are Mac OS X and Solaris, where the user only needs access privileges for the network interface card device file. By default, Tcpdump reads all the data
15%
Zarafa on the Univention Corporate Server
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Andres Rodriguez, 123RF.com
is already working on an implementation. To set up the integration kit, you need to follow these steps, all of which assume you have root privileges. Before you can install on a UCS system, you need

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