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13%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
modified mine to keep it really simple: server 2.rocky.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz
13%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
Companies often do not exclusively use public cloud services such as Amazon Web Services (AWS) [1], Microsoft Azure [2], or Google Cloud [3]. Instead, they rely on a mix, known as a hybrid cloud
13%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
, and there are several implementations [3]. What Happened Thus Far Figure 1 shows a typical setup with port knocking. The components involved here are the client and the server application, with a firewall to keep out
13%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
on strcpy() and other functions that are tagged as deprecated? As an example, you can find a comprehensive example of C coding standards for the development of embedded software online [3]. Some development
13%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
.   Maximum Elapsed Time: 3,376.819 seconds   file: file_18591.pickle Minimum Elapsed Time: 3,376.810 seconds   file: file_18596.pickle Average Total Elapsed Time = 3,376.815 seconds Standard Deviation
13%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
.   Maximum Elapsed Time: 3,376.819 seconds   file: file_18591.pickle Minimum Elapsed Time: 3,376.810 seconds   file: file_18596.pickle Average Total Elapsed Time = 3,376.815 seconds Standard Deviation
13%
Maintaining Android in the enterprise
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
the situation without investing in expensive mobile device management software. In this article, we show how you can use tools from the Android SDK  [3] to retrieve information about the state of the device. You
13%
Processor Affinity for OpenMP and MPI
13.10.2021
Home »  HPC  »  Articles  » 
with various HPC applications. In this article, I present examples for (1) serial applications, (2) OpenMP applications, and (3) MPI applications. I’ll use the same architecture as before: a single-socket system
13%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
. The measured values are then similar to those for sequential access. Each operation will cost a certain amount of overhead; therefore, the throughput results will be better for larger blocks. Figure 3 shows
13%
Update your Docker containers safely
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © yelenayemchuk, 123RF.com
the container, you are in for trouble: The software version might go from nginx-8.3 to nginx-11.2, which, bottom line, could break things. On the other hand, if you do not update at all, the software after some

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