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25%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
and nearly 20PB of external memory are available for data. In addition to high computing power, SuperMUC also displays impressive energy efficiency: Its hot water cooling requires 25 percent less electricity
25%
Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
): 17 sol[i,0] = 0.0 18 sol[i,ny-1] = 0.0 19 # end for 20 21 # Iterate 22 start_time = perf_counter() 23 --> with pymp.Parallel(6) as p: <-- 24 for kloop in range(1,100): 25 soln = sol
25%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
NAME PROPERTY VALUE SOURCE myvol type filesystem - myvol creation Sat Feb 22 22:09 2020 - myvol used 471K
25%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
NEW -m tcp --dport 22 -j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT 12 -A INPUT -m limit --limit 30/min -j
25%
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
25%
Azure Application Gateway load distribution tool
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © foodandmore, 123RF.com
that offers security functions (e.g., protection against distributed denial-of-service (DDoS) attacks). To see how AAG works, refer to Figure 1 for the individual components. The front-end IP is, as the name
25%
Smartphone management with Microsoft products
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Javier Brosch, 123RF.com
, and above all more reliable; no mail is lost, and users can also sync with multiple devices. From version 2.2 onward, users and administrators can also remotely wipe lost devices. Android phones need at least
25%
Remote maintenance and automation with RPort
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Claudia Soraya on Unsplash
server in Azure, Amazon Elastic Compute Cloud (AWS EC2), or Google Compute, you have to pay attention to the correct firewall settings when creating the VM. In addition to SSH port 22, you need to allow
25%
Tools for hardware diagnostics under Windows
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © blas, Fotolia.com
://crystalmark.info/en/software/crystaldiskinfo/ AIDA64: https://www.aida64.com/products The Author Thomas Bär has worked in IT since the late 1990s and as a freelance IT journalist since the early 2000s. Frank-Michael Schlede
25%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp

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