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13%
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
13%
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
13%
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
13%
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
13%
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
13%
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
13%
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
13%
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
13%
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
13%
Export and analyze Azure AD sign-in and audit logs
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Franck Boston, Fotolia.com
more attractive, add two more lines and display a pie chart instead of a flat list (Figure 3): AuditLogs | where TargetResources contains "a0fdc91a-a1b2-4ec5-b352-03bda610be0e" | where Time

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