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53%
Parallel I/O Chases Amdahl Away
12.09.2022
Home »  HPC  »  Articles  » 
resources slows down the application. The applications I’ve worked with rely on the rank 0 process having enough memory so it can read the input data before sending it to the other processes and so all
53%
Getting Data Into and Out of the Cluster
14.08.2023
Home »  HPC  »  Articles  » 
 /home/user1/data_files/ . I won’t be discussing the interactive use of sftp , mostly because I’ve never used it that way, but online tutorials can explain how to do that. Because sftp  copies one file
53%
Coming to grips with grep
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Andrey Lavrushov, 123RF.com
at the results of the command I ran on my home directory. With two of the switches I've already talked about, the grep command in Figure 6 searches recursively and counts the number of "one" patterns it finds
53%
Tool your HPC systems for data analytics
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Sergey Nivens, 123RF.com
http://networkx.github.io igraph Network analysis http://igraph.org python-graph Library for working with graphs https://code.google
53%
ZAP provides automated security tests in continuous integration pipelines
23.08.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Galina Peshkova, 123RF.com
a fantastic security learning tool, as well as an excellent automated testing tool. I've read before that it's ideal for beginners, but used by professionals. To my mind, that's a mantra many other software
53%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
=/home/laytonjb/PDSH/hosts WCOLL is an environment variable that points to the location of the file that lists hosts. You can put this command in either your home or global .bashrc file. SSHFS I've written about
53%
Application security testing with ZAP in a Docker container
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Maxim Maksutov, 123RF.com
suitable Docker image, nowasp [4], appears to be courtesy of user citizenstig on Docker Hub. As a small precaution, I've had a look at obvious issues listed in the image's Dockerfile (Listing 1), but that
53%
Get started with OpenShift
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © andegro4ka, 123RF.com
Shift and Kubernetes are fantastic pieces of software with an ever-growing feature list. I've barely scratched the surface of how to operate OpenShift here, but I've looked at a simple crossover or two between
53%
Let the editor wars begin!
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Kirill Makarov, 123RF.com
the editors that interest you. I will likely not include editors that other people use and recommend. I'd love to hear more about them, so please contact me. I've divided the editors into two sections
53%
Ansible collections simplify AIX automation
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © alexutemov, 123RF.com
AIX administrators can use Ansible to automate tasks. I've only scratched the surface of what's possible, but I've tried to shine a light on the possibilities. Many more modules are available that you

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