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04.11.2011

Home » HPC » Articles »

with AMD, IBM, and NVidia) submitted a specification to the Khronos Group, which promotes the OpenGL specification. Open Computing Language 1.0 (OpenCL) was released late in 2008 [3]. OpenCL now provides

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Throw Down the Gauntlet

14.08.2018

Home » Archive » 2018 » Issue 47: Findi... »

state="open" reason="syn-ack" reason_ttl="52"/>3"/>

0"/>3 ... 0 ... 0

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D-Wave's Murray Thom discusses the present and future of quantum computing.

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

increasingly difficult problems" explained Murray Thom, director of Quantum Cloud Services at D-Wave. Classical computers use bits of information that live in one state (0 or 1) at a time. A quantum computer

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Prepare, analyze, and visualize data with R

07.06.2019

Home » Archive » 2019 » Issue 51: Self-... »

Lead Image © Buchachon Petthanya, 123RF.com

) Call: lm(formula = Sessions ~ wday + month, data = datPrep[datPrep$isTrainData, ]) Residuals: Min 1Q Median 3Q Max -464.80 -61.88 -6.52 62.38 479.19 Coefficients

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A ptrace-based tracing mechanism for syscalls

06.10.2022

Home » Archive » 2022 » Issue 71: Kuber... »

); } The SYSCALL_DEFINE suffix (3 in this case) refers to the number of arguments the syscall expects. Because syscalls can have up to six arguments, Linux provides seven of these macros (i.e., SYSCALL_DEFINE0

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News for Admins

05.02.2023

Home » Archive » 2023 » Issue 73: Datab... »

system at the EuroHPC center at CSC in Finland underwent a major upgrade to hold on to the #3 spot, with a score of 0.309 EFlop/s. Leonardo – At #4, the new Leonardo system installed at Euro

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Give your servers the once over with Nmap

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp

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Managing virtual machines

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

end (Figure 2). Listing 3 update-dns 01 #!/usr/bin/perl 02 03 use DBI; 04 05 $db_user = "powerdns"; 06 $db_passwd = "powerpass"; 07 08 $hostname = $ARGV[0] . ".my.org"; 09 $ip = $ARGV[1

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Controlling virtual machines with VNC and Spice

14.03.2013

Home » Archive » 2013 » Issue 13: IPv6... »

configuration work is necessary on Linux. You need to set up the Vesa driver explicitly in xorg.conf (Listing 1). Listing 1 Vesa Configuration 01 Section "Device" 02 Identifier "device0" 03

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Udev with virtual machines

14.11.2013

Home » Archive » 2013 » Issue 17: Cloud... »

kernel ordinal number (%n). Listing 3 70-persistent-net.rules Rules for KVM: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:*", KERNEL=="eth*", NAME="eth%n" Rules

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