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15%
Working with the Lustre Filesystem
24.02.2022
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     0        1         0    0      1 1073741824 67108864    4096.0 POSIX      0 Finished            : Tue Jan 25 20:04:13 2022 For a virtual machine deployment on a 1GigE network, I get roughly 2.2GiBps reads, which again, if you think about it, is not bad at all
15%
A closer look at hard drives
18.07.2013
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Lucy Baldwin, 123RF
: 156301488 20 Logical Sector size: 512 bytes 21 Physical Sector size: 512 bytes 22 device size with M = 1024*1024: 76319 MBytes 23
15%
Protect Your Servers with Nmap
23.07.2012
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.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            53/tcp  open   domain  ISC BIND 9
15%
Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
.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
15%
Configuring the JBoss application server
30.11.2025
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HONGQI ZHANG, 123RF.com
/server/all/deploy/helloworld.war 10:25:22,371 INFO [TomcatDeployment] undeploy, ctxPath=/helloworld # cp -r /opt/examples/helloworld.war/ /opt/jboss-5.1.0.GA/server/all/deploy/ 10:25:22,412 INFO [TomcatDeployment] deploy, ctx
15%
System temperature as a dimension  of  performance
28.11.2022
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Lead Image © Lucy Baldwin, 123RF.com
: 42 Celsius federico@voronoi:~$ Infos Sound-proofing a Picocluster: https://twitter.com/0xF2/status/1244422315011645444 Noctua NF-A6x25 PWM, Premium Quiet Fan, 4-Pin (60mm): https
15%
HDF5 and Parallel I/O
17.05.2017
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, 5 ) / ( 8, 5 ) }       DATA {       (0,0): 0, 1, 2, 3, 4,       (1,0): 5, 6, 7, 8, 9,       (2,0): 10, 11, 12, 13, 14,       (3,0): 15, 16, 17, 18, 19,       (4,0): 20, 21, 22, 23, 24,       (5,0): 25, 26, 27, 28, 29,       (6
15%
Embarrassingly parallel computation
01.06.2024
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Lead Image © Lucy Baldwin, 123RF.com
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
14%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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© kudryashka, 123RF.com
and arrival rate 19 $pdq::streams = pdq::CreateOpen($Workload, $ArrivalRate); 20 # Define the service rate for customers at the cash desk 21 pdq::SetDemand($ServerName, $Workload, $SeviceTime); 22
14%
Server virtualization with Citrix XenServer
04.08.2011
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.pm.xenserver.utils.Server; 12 13 public class TestAPI { 14 15 /** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19 20 if (args.length != 3 && args.length != 5) 21

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