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36%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
complex data structures. Because it's an object-oriented language, you can create classes and objects with these data structures. Libraries such as NumPy [2] can create new data types (e.g., N -dimensional
36%
Building sustainably safe containers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
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, the applications also need to be tested with every new build to rule out incompatibilities from changes in the libraries. For Spring Boot applications, the number of dependencies in the Java container is manageable
36%
Best practices for secure script programming
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Jorge Fernández Salas on Unsplash
application scenarios: if [ "$FOO" = "foo" ] ; then echo $FOO fi The "new" version of the script evaluates the content of the variable completely, which results in the rejection of invalid input: ./itaworker
36%
Multicloud management with Ansible
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Pawel Nolbert on Unsplash
Many cloud providers vie for the user's favor. Besides the top dogs, Amazon Web Services (AWS), Azure, and Google Cloud Platform (GCP), smaller regional or specialized providers are increasingly
36%
Zero-Ops Kubernetes with MicroK8s
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
filling up your iptables chains. You can also use the watch command in a new terminal: $ watch -n1 iptables -nvL The next thing I realized was that Docker wasn't necessarily playing that nicely with Micro
36%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
, Prometheus is the Titan that gifted fire to humanity, but in this article, Prometheus is an open source application that, since its first release in 2016, has offered a new way to monitor and observe
36%
Security after Heartbleed – OpenSSL and its alternatives
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
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simply waved through the code and integrated it into OpenSSL. Shortly before this issue went to press, a message arrived stating that, in a new release, OpenSSL had plugged seven critical vulnerabilities
36%
Creating Active Directory reports using free tools
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
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reports, which are simply structured and can be stored as CSV files. Pressing the Windows flag in the toolbar lets you configure the connection to AD. You can create multiple connections with the New
36%
Harden your OpenStack configuration
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
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for writing API operations (say, creating a new VM or a virtual network) and a viewer role for read operations. Then the principle of separation of concerns applies: If you perform only read operations, you
36%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
orchestrator: Whereas Kubernetes comes from Google's Borg cluster system, Prometheus is rooted in Borgmon, the monitoring tool for Borg. Matt Proud and Julius Volz, two former site reliability engineers (SREs

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