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17%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
.6.32-220.4.1.el6.x86_64 kernel GigaByte MAA78GM-US2H motherboard AMD Phenom II X4 920 CPU (four cores) 8GB of memory (DDR2-800) The OS and boot drive are on an IBM DTLA-307020 (20GB drive at Ultra ATA
17%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
18 19 Modules pm_buffer 20 MaxSize 102400 # 100 MByte buffer on the hard disk 21 Type disk 22 23 24 25 Modules om_udp 26 Host GraylogServerName 27 Port
17%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
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
17%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
# Header for user-specific report 19 printf("%2s\t%4s\t%4s\tD=%2d\n", "N", "Xdat", "Xpdq", MAXDUMMIES); 20 21 foreach $users (sort {$a <=> $b} @vusers) { 22 pdq::Init($model); 23 $pdq::streams = pdq
17%
System monitoring with Sysinternals
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Denis Tevekov, 123RF.com
with the /accepteula option, which can be useful in scripting. Unfortunately, this option does not work for all of the Sysinternal tools. The programs only run on a Windows system as of Windows 2000 Server
17%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
under the 18 # following copyright: 19 # 20 # (c) 2002-2005 International Business Machines, Inc. 21 # 2005-2010 Linux-HA contributors 22 # 23 # See usage() function below for more details ... 24 # 25
17%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
, interesting, and worthwhile exercise. I argue that systems administration needs a command-line editor, because it can be used even if X windows isn't working or isn't installed on the servers. Knowing how
17%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
balancing). The OpenStack initiative, which was initiated in July 2010 by US hosting service provider Rackspace, NASA, and other partners, is designed to provide provide an IaaS (Infrastructure as Service
17%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 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
17%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:uucp man:x:15: games:x:20: gopher:x:30: video:x:39: dip:x:40: ftp:x:50: lock:x:54: audio:x:63: nobody:x:99: users:x:100: utmp:x:22: utempter:x:35: floppy:x:19: vcsa:x:69: rpc:x:32: cdrom:x:11: tape:x:33

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