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Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
. One easy way to set up a Hiawatha virtual machine is to start up the TurnKey Linux Nginx VM [3], then remove Nginx and add Hiawatha. Start by downloading the TurnKey Linux Nginx VM, a small Linux
10%
Exploring the Xeon Phi
05.11.2013
Home »  Articles  » 
, mainly because it is inside the world’s fastest supercomputer – the Tianhe-2; in fact, the 48,000 Xeon Phi cards built in to the Tianhe-2 help it deliver nearly twice the raw performance of the second
10%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
are written. Figure 2P: Strace excerpt with Python one-by-one code; 256 iterations. In the next two examples, I increase the number of iterations to 500
10%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© yewkeo, 123RF.com
and occupying 500MB of space on the hard disk. The installation does not include a graphical desktop. VMBuilder creates the image file for the virtual disk in the ubuntu-kvm subdirectory relative to the current
10%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/ STOPSIGNAL SIGRTMIN+3 CMD ["/bin/bash"] Listing 2 setup_goss.sh #! /bin/bash set -uo pipefail GOSSVER='0.3.18' GOSSCDIR='/etc/goss' RQRDCMNDS="chmod echo sha256sum tee wget" pre
10%
Useful NFS options for tuning and management
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © gortan123, 123RF.com
tuning options, and (3) NFS management/policy options (Table 1). In the sections that follow, these options are presented and discussed. Table 1 Tuning Options NFS Performance Tuning
10%
The weak spot of SBCs
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © Lucy Baldwin, 123RF.com
on the in-keyboard computer: the Raspberry Pi 400. Definitions and Standards The inscriptions on SD cards include details on storage capacity, format, bus interface, and more [3]. For our purpose here
10%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25,57 26,58 27,59 28,60 29,61 30,62 31,63 The lstopo tool
10%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
10%
News for Admins
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
 
, GCC 11.2.0, Python 3.9.4, Bind 9.16.15, Open vSwitch 2.16.0, and OpenLDAP 2.5.6. To download a copy of Ubuntu Server, head over to the official download page (https

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