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31%
Resource monitoring for remote applications
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image Gustavo Quepón on Unsplash.com
to adjust a few application parameters in the Fortran program for a longer run time: nx = 8000 ny = 8000 it_max = 10000 tolerance = 0.00004D+00 The code was compiled using GCC 7.1 and run
31%
Coming to grips with grep
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Andrey Lavrushov, 123RF.com
takes everything literally, it is faster than grep. An example pattern file could look like this: patternR2 patternD2 patternC3 patternP0 A very large logfile might also start with lots of similar
31%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
3 04 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 05 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 06 | Source Port
31%
Pen Testing with netcat
14.05.2013
Home »  Articles  » 
 
log in for terminal access: ps –aef |grep ssh This command shows the output: root 571 1 0 Mar26 ? 00:00:00 /usr/sbin/sshd -D Now I can SSH into the target box with my new user account and have
31%
Law of Averages – Load Averaging
01.02.2013
Home »  Articles  » 
 
for it at /proc/loadavg/ [3]:   1.00 0.97 0.94 1/1279 7743   The three additional numbers provided by Linux are the number of running processes (one in this case), the total number of processes, and the last
31%
HPC Software Road Gets a Bit Smoother
10.09.2013
Home »  HPC  »  Articles  » 
.80 626.49 0.70% FT 24,451.57 17,554.99 28.00% IS 470.63 904.86 48% LU 40,600.64 34,120.96 16.00% MG ... New OpenMP 4.0 Spec
31%
One metric to rule them all
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
/loadavg/ [3]: 1.00 0.97 0.94 1/1279 7743 The three additional numbers provided by Linux are the number of running processes (one in this case), the total number of processes, and the last process ID (PID
30%
REMORA
18.09.2017
Home »  HPC  »  Articles  » 
in the Fortran programfor a longer run time: nx = 8000 ny = 8000 i t_max = 10000 tolerance = 0.00004D+00 The code was compiled using GCC 7.1 and run on a four-core AMD A6-6310 laptop (Lenovo
30%
System temperature as a dimension  of  performance
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © Lucy Baldwin, 123RF.com
of alternative sources. Listing 1 sensors Output federico@ferenginar:~$ sensors k10temp-pci-00c3 Adapter: PCI adapter temp1: +42.5¡C (high = +70.0¡C) (crit = +100.0¡C
30%
Managing FOSS applications on AIX
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Lead Image © Nataliia Natykach, 123RF.com
_Toolbox_noarch] name=AIX noarch repository baseurl=https://anonymous:anonymous@public.dhe.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/noarch/ enabled=1 gpgcheck=0 [AIX_Toolbox_73] name=AIX 7.3 specific repository baseurl

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