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17%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
::1 (all nodes; Figure 3). The payload of this message includes all valid IPv6 prefixes on the local subnet and other flags that allow a sophisticated configuration. The RA message is also repeated
17%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
--------><----------Disks-----------><----------Network----------> #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 3 1 1421 2168 0 0 41000 90 0 2 0 0 3 2 1509 2198 64 2 49712
17%
Parallel Programming with OpenCL
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
17%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
libraries.) The latest Bro packages are included in source and binary form [3]. On CentOS, I download the Bro full install with: # wget https://www.bro.org/downloads/release/Bro-2.3.1-Linux-x86_64.rpm Next
17%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
has some capabilities [3] that sar does not have. A collection of supporting tools [4] can also help collectl gather and post-process data. Collectl is easy to install if Perl is already installed
17%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
using a parallel shell tool. However, for those that might be asking if they can use parallel shells on their 50,000-node clusters, the answer is that you can, but the time skew in the results
17%
History and use of the mail utility
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Vlad Kochelaevskiy, fotolia.com
on a remote server and the resulting text file is about 8,000 lines long, several columns wide, and you don't have an easy way to retrieve it from the remote server. Copying and pasting just won't cut it
17%
Open source monitoring with Zabbix
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Vincentiu Solomon on Unsplash
. Figure 3: Graphs are used for retrospective problem analysis. The services in Zabbix 6.0 are completely new, with powerful features designed for monitoring and alerting with more than 100,000
17%
A DIY HTML Engine
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
© Luca Bertolli, 123RF.com
came with version 1. Developers abridged various features under simple commands to bring about a change in the overall user experience. Table 1: Version Features 0.1–1.0 1.1–2.0 2.1–3
17%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
of nodes using a parallel shell tool. However, for those that might be asking if they can use parallel shells on their 50,000-node clusters, the answer is that you can, but the time skew in the results

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