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18%
Business continuity management
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Andrea Danti, 123RF.com
(Figure 3). This is where you define when to start which virtual machine and what scripts or other input are required. This function is very powerful and is best handled in the scope of a brief
18%
Managing Ubuntu with Canonical Landscape
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Kitsadakron Pongha, 123RF.com
because the output is only in the form of charts and cannot be processed downstream to support alerting (Figure 3). Figure 3: Monitoring reveals the machine
18%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
ways, and then kill everything, leaving no lingering processes (Listing 3). Listing 3 Asynchronous Communication 01 Use IO:Handle; 02 03 pipe(READFROMCHILD, WRITETOPARENT); 04 pipe
18%
Software RAID in Windows, macOS, and Linux
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Photo by Mirko Blicke on Unsplash
Utility (Figure 3) lets you select which RAID system you want to configure. As mentioned, you have three options from which to choose: Figure 3: macOS can
18%
Central logging for Kubernetes users
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © zlajo, 123RF.com
by a Prometheus fork named Cortex [3], which extends the original Prometheus, adding the horizontal scalability admins often missed. Prometheus itself has no scale-out story. Instead, the developers recommend
18%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
code is written and compiled in one of three classic HPC languages: Fortran [2], C++ [3], or C [4]. Why these languages? Because they have enabled generation of very efficient code for a long time
18%
Cyber security for the weakest link
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Photo by Geran de Klerk on Unsplash
such a hacker currently proceed in practice? In principle, an attack always follows the same phases: 1. Break-in 2. Persistence 3. Preparatory work (lateral movement) 4. Perseverance and system surveillance
18%
Validating Docker containers
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © 36clicks, 123RF.com
of Listing 1, schemaVersion: "2.0.0" reveals that the test descriptions that follow use the 2.0.0 schema. Without this information, the tool immediately denies service. Under globalEnvVars (lines 3-7; note
18%
Bpfilter offers a new approach to packet filtering in Linux
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © alphaspirit, 123RF.com
(Figure 3). Figure 3: Bpfilter can theoretically process many more packets than iptables – once it gets going. Industry giants like Facebook or Google
18%
Set up and operate security monitoring throughout the enterprise
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Sergey Nivens, 123RF.com
the security team to focus on the genuinely important cases (Figure 3). This means that you want in-depth information, the ability to find similar cases, and the ability to trace precisely why the message

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