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27%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
with approximately 8,200 cores each, and six newer islands with 14,300 cores each. It achieves a speed of around 6 petaFLOPS (10^15 floating-point operations per second). In total, almost 500TB of main memory
27%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
when a user leaves. checkCertWithoutUser.pl and revoke_and_delete (called in Listing 4, line 2) [6] get rid of certificates after some time has elapsed (Figure 3
27%
Darshan I/O Analysis for Deep Learning Frameworks
18.08.2021
Home »  HPC  »  Articles  » 
, the command I used for Darshan to gather I/O statistics on the application was: env LD_PRELOAD=/home/laytonjb/bin/darshan-3.3.1/lib/libdarshan.so ./ex1 I copied the Darshan file from the log location
27%
Hardware suitable for cloud environments
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Orlando Rosu, 123RF.com
are required for each server. If you add SSDs to the hard disks as fast cache for your own write-ahead log (WAL) and Ceph's metadata database, the storage devices cost around $3,800 (EUR3,500) per server
27%
Monitoring network traffic with ntopng
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
organizations can obtain licenses for all ntop products free of charge. Details of the requirements and registration can be found online [3]; also see the "Versions and Licensing" box. Versions and Licensing
27%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
version of Vyatta, most notably VyOS [3]. The fork was successful, because VyOS includes all the DMVPN components: dynamic routing with high availability on top. EdgeOS Another player in the Vyatta market
27%
Business continuity management
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Andrea Danti, 123RF.com
the agent required for VMM from the dashboard – 7MB are unlikely to be an obstacle. Figure 2: Scenarios supported by Azure Site Recovery – An overview
27%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
=> /lib64/libpthread.so.0 (0x00007f5bc524a000) libpgc.so => /opt/pgi/linux86-64/16.10/lib/libpgc.so (0x00007f5bc4fc2000) librt.so.1 => /lib64/librt.so.1 (0x00007f5bc4dba000) libm.so.6 => /lib64
27%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
the asymptote is the inverse of the serial portion of the code, which controls the scalability of the application . In this example, p = 0.8 and (1 – p ) = 0.2, so the asymptotic value is a = 5. Further
27%
Run rootless Podman containers as  systemd services
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Photo by Geeky Shots on Unsplash
container images, and podman pull nginx:alpine downloads the nginx:alpine image from one of the registered container repositories. A Podman Compose [3] solution also processes docker-compose.yml files

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