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18%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
consuming and expensive, which is what prompted Linbit to build an alternative to Pacemaker that specializes in handling simple use cases: DRBD Reactor [6]. In this article, I describe how DRBD and DRBD
18%
Persistent Memory
14.01.2016
Home »  HPC  »  Articles  » 
DRAM. At the extreme, you can pretty much buy systems with 1-2TB of memory, but you probably don't buy too many of them because of cost. Typical compute nodes are in the 64-256GB range. Persistent memory
18%
Automation with Chef
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Pablo Bustos on Unsplash
) components. Chef automatically selects the correct procedure depending on the identified platform. When this article went to press, Chef Infra Client supported a total of 167 different resources across 12
18%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
something like Listing 2. Listing 2 Sample Output Starting Nmap 6.47 (http://nmap.org) at 2015-03-12:00:00 CET Nmap scan report for targethost (192.168.1.100) Host is up (0.023s latency). r
18%
How persistent memory will change computing
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © rangizzz, 123RF.com
than DRAM. At the extreme, you can pretty much buy systems with 1-2TB of memory, but you probably don't buy too many of them because of cost. Typical compute nodes are in the 64-256GB range. Persistent
18%
The pros and cons of a virtual desktop infrastructure
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Mariia Puliaieva, 123RF.com
. The reality is rather different. The thin client breakthrough has been announced several times under different headings and has never really happened. A survey by DataCore of nearly 500 IT professionals around
18%
The weak spot of SBCs
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © Lucy Baldwin, 123RF.com
will deliver at least 1,500 input/output operations per second (IOPS) of random read performance and 500 IOPS in random writes. Although not as impressive, a card guaranteeing A1-level performance
18%
Modularize websites with Web Components
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Andrey Prokhorov, fotolia.com
12 Yes (untested) MS Edge 42 No For example, developers can use Web Components to integrate microservices into web pages without diluting HTML documents
18%
AlmaLinux and HPC
31.01.2024
Home »  HPC  »  Articles  » 
. TOP500 with MEGWARE MEGWARE, a leading European supercomputer specialist, develops and installs HPC systems and Linux clusters. Several of MEGWARE’s supercomputers have made the TOP500, a biannual
18%
The Fine Art of Troubleshooting
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Image © Maksim Kabakou, 123RF.com
to the problem. System administrators, especially junior admins, love to see long uptimes for systems. It is impressive to see a system that has an uptime of 500+ days. Everyone loves bragging rights of long

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