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29%
Integrating Podman and systemd
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Nick Fewings on Unsplash
/systemd/system/httpd.service.d/; echo -e '[Service]\nRestart=always' > /etc/systemd/system/httpd.service.d/httpd.conf EXPOSE 80 CMD [ "/sbin/init" ] you create a new image based on the container file, which is then used directly
29%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
Sar Statistics Options Key Function A Outputs everything; equivalent to -bBdHqrRSuvwWy -I SUM -I XALL -m ALL -n ALL -u ALL -P ALL b I/O statistics and transfer
29%
HPC Software Road Gets a Bit Smoother
10.09.2013
Home »  HPC  »  Articles  » 
on the application. Assuming a pure OpenMP solution will always work better than an MPI application on a single node would be a mistake. Consider Table 1, which shows the results of NAS Parallel Benchmarks (NPB3
29%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
You ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives? ... , a is the application speedup, n is the number of processors, and p is the “parallel fraction” of the application (i.e., the fraction of the application that is parallelizable), ranging from 0 to 1. Equations are nice ... You  ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives?
29%
Automate Active Directory management with the Python PyAD library
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Eric Issele, 123RF.com
. The Python you need is available from the Python website [2]. For this project, I used the 3.11.3 version current at the time of writing and the Windows Installer for 64-bit architectures. For easier handling
29%
Matlab-Like Tools for HPC
03.01.2013
Home »  HPC  »  Articles  » 
===================================================================================== Install 14 Package(s) Total download size: 21 M Installed size: 81 M Is this ok [y/N]: y ... Installed: octave.x86_64 6:3.4.3-1.el6 Dependency Installed: GraphicsMagick.x86_64 0:1.3.17-1.el6
29%
Julia: Fast as Fortran, easy as Python
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Andrey Suslov, 123RF.com
flexible, but less predictable. Try 1 +"1" and 2 * "3" in your browser's JavaScript console – but first try to predict the results. Static Languages The other major class of languages are statically
29%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
't need a working X setup on the system, which is common in the admin world. tput (TUI): Tput is part of the ncurses package supplied with most Linux distributions. At first blush, tput [3] sounds really
29%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
, Packstack [1] is used for quickly setting up development or demonstration cloud environments. In this article, I present an example of an IaaS-type RDO [2] OpenStack Pike [3] installation using the Packstack
29%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, N , goes to infinity, the wall clock time approaches a constant. In general, this constant can be thought of as the “serial time” of the application. That is, the amount of time the application needs

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