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01.06.2024

Home » Archive » 2024 » Issue 81: Load... »

is 20x because only 95 percent of the algorithm can execute in parallel (compute the fraction 1/20 from that 5% number). That limitation led to a search for embarrassingly parallel algorithms

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When I/O Workloads Don’t Perform

12.05.2021

Home » HPC » Articles »

_age Always - 28 (Min/Max 22/28) 191 G-Sense_Error_Rate 0x0032 100 100 --- Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 --- Old_age Always - 35 193

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Mailman 3.0 – a long time coming

08.10.2015

Home » Archive » 2015 » Issue 29: Rescu... »

minor errors in postorius.conf and hyperkitty.conf. Apache httpd version 2.4.x is used in CentOS 7, so instead of the information contained for Apache 2.2, Order deny,allow Allow from all ... Mailman 3.0 is a new major version, released 15 years after version 2.0. We put the new version through its paces and explain the installation procedure and new features.

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System monitoring with Sysinternals

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

. For this article, I used Windows Server 2008 R2 and Windows 7. Windows Server 2008 R2, Windows Server 2008, Windows Vista, and Windows 7 do not support access to the hidden System $ shares such as C$, or admin

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Parallel Programming with OpenCL

04.11.2011

Home » HPC » Articles »

::min((int) std::numeric_limits::max(), std::max(value, (int) std::numeric_limits::min())); 20 } 21 22 /** 23 * Convolve a grayscale image with a convolution 24 * kernel on the CPU. 25

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Automate CentOS and RHEL installation with PXE

02.02.2021

Home » Archive » 2021 » Issue 61: Secur... »

timezone 19 timezone Europe/Vienna --isUtc --ntpservers 172.23.48.8,172.23.48.9 20 # user setup 21 user --name=example-user --password= --iscrypted --gecos="example-user" 22 # Disk partitioning

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High availability clustering on a budget with KVM

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

/sda 20 Account information: 21 ACL information: 22 ALL Network Bonding To prevent the network cards and thus the connection to the cluster and storage network from becoming a single

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SHA-3 – The new hash standard

14.03.2013

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

Schneier's blog entry: http://www.schneier.com/blog/archives/2012/09/sha-3_will_be_a.html Talk at 25C3 about spoofed MD5 signatures: http://media.ccc.de/browse/congress/2008/25c3-3023-en

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Getting started with the OpenStack cloud computing framework

28.06.2011

Home » CloudAge » Articles »

) layer for the cloud, virtualizing the various hardware components and making them available through a standard API. The first OpenStack release (dubbed "Austin") became available October 22 [3]; The Open

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mpi4py – high-performance distributed Python

30.11.2020

Home » Archive » 2020 » Issue 60: Secur... »

): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI

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