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16%
One metric to rule them all
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
, I'll examine the response of my laptop to: watch cat /proc/loadavg 0.03 0.03 0.07 1/362 23038 This is what an idle system looks like. When examining load average numbers, you should also be aware
16%
The System Security Services Daemon
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Nikita Sobolkov, 123RF.com
, but the cause is often much more trivial. For example, roaming users who do not always have a network connection for their laptops will obviously not always be able to communicate with a central directory service
16%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
 
as a managed service that are accessible remotely on a variety of clients, including desktop systems, laptops, and even the iPad. However, the platform can be a bit tricky to spec out, so VMware is providing
16%
Avoiding chaos in clusters with fencing
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© kobra78, Fotolia.com
interval="0" timeout="60" 06 op stop interval="0" timeout="60" 07 op monitor start-delay="0" interval="1200" 08 meta resource-stickiness="0" failure-timeout="180" Listing 2 STONITH
16%
ARP cache poisoning and packet sniffing
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© elisanth, 123RF.com
includes tools such as dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy, which passively monitor networks for data of interest. The arpspoof, dnsspoof, and macof tools help intercept network
16%
Verifying TLS Certificates
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © Christos Georghiou, 123RF.com
The --json switch enables certigo JSON support. Together with the handy jq [2] tool, information from certigo can be used easily in scripts for monitoring or in continuous integration (CI) pipelines without
16%
How Upstart boots Ubuntu-based systems
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
, such as plugging in or replacing a hard disk at run time. It also will monitor the processes it launches, if desired, and restart them in the case of a crash. To do all this, Upstart completely breaks
16%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
/prerm. With these scripts, you can install software, start services, and call a monitoring system to tell it exactly what's going on with the new instance. For example, open ./DEBIAN/postinst and add something like: curl
16%
Testing Disaster Recovery Plans with Chaos Engineering
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Mark Timberlake on Unsplash
tests, and more Security features MFA, RBAC, audit logs, agent isolation RBAC through Kubernetes, namespace isolation Integration (CI/CD and monitoring) APIs, SDKs
16%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
 
, essentially creating a full-blown monitoring system that is scalable, versatile, and more informational. For more information, see: https

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