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14%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
# Compute the potential energy and forces 174 12525000 7036459.0 0.6 2.0 for j in range(0, p_num): 175 12500000 7730669.0 0.6 2.2 if (i != j): 176
14%
Tools to Manage Storage
03.02.2024
Home »  HPC  »  Articles  » 
.168.4.100:/home/laytonjb/work_laptop_dir  977421312  524672000  403025920  57% /mnt/work_laptop_dir tmpfs                                          26377268        108   26377160   1% /run/user/1000 Listing 2
14%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
of the application scales linearly with the number of processors. Further Exploration To further understand how Amdahl's Law works, take a theoretical application that is 80 percent parallelizable (i.e., 20 percent
13%
Jenkins Configuration as Code
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Amri Wolfgang, 123RF.com
-jdk-alpine 02 03 RUN apk add --no-cache git openssh-client curl bash # for Jenkins AWT 04 ttf-dejavu 05 06 ARG JENKINS_USER=jenkins 07 ARG UID=1000 08 ARG HTTP_PORT=8080 09 ARG JENKINS
13%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
->execute("INSERT INTO pingtime (tstamp, tvalue) VALUES(?, ?)", 16 [$1*1000, $3], 17 { consistency => "one" }); 18 } 19 } 20 21 $client->shutdown; The timestamp, which ping prints thanks to the -D option
13%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
.4M  81.4M     0 100% /snap/gtk-common-themes/1534 /dev/loop7  squashfs  63.5M  63.5M     0 100% /snap/core20/1974 /dev/sda1   vfat      41.3M     6M 35.3M  15% /boot/efi /dev/loop8  squashfs  91.8M  91
13%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
at the Bro website [2]. The installation instructions I cover here are based on a CentOS 6.5 Linux distribution. (Note: At the time of publication, CentOS 7 still has a missing dependency for the Python
13%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
the free command reveals its current size (Listing 1). At first glance, 2.7GB of 7.7GB of RAM is available to the system. If the RAM usage for the page cache is deducted, then actually 5.6GB is free
13%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
, PHP, and MySQL could take a rest with a load of 0.01. Performance tests on the cache resulted in 100,000 requests per second for 1,000 parallel requests without the base load of the server changing
13%
Monitor your network
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Endrille, Fotolia
is the graphs icon that lets you graphically chart the values of the various monitored parameters (Figure 6). Figure 6: You can pool multiple monitors in one graph

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