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17%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
consuming and expensive, which is what prompted Linbit to build an alternative to Pacemaker that specializes in handling simple use cases: DRBD Reactor [6]. In this article, I describe how DRBD and DRBD
17%
Remora – Resource Monitoring for Users
08.12.2020
Home »  HPC  »  Articles  » 
solver. In this case, all of the cores in the system are used. Notice in Figure 5 that the application execution time with OpenMP is much shorter when using four cores than when using one core. Figure 6
17%
Denial of Service in the Cloud
12.11.2013
Home »  Articles  » 
that return very long DNS responses. This typically results in up to a 10 times amplification factor. CloudFlare claims the Spamhaus attacker achieved an amplification factor of about 100 by requesting
17%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases from 1.00
17%
Tools to Manage Storage
03.02.2024
Home »  HPC  »  Articles  » 
                                938G  718G  173G  81% /home /dev/nvme0n1p1                                511M  6.1M  505M   2% /boot/efi /dev/sda1                                     5.5T  3.1T  2.1T  60% /home2 192.168.4.100:/home
17%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
,000 seconds. Amdahl's Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases
17%
Managing Active Directory sites and subnets
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Allan Swart, 123RF.com
and assign them to the respective sites. To create a new subnet, right-click Subnets in the snap-in and select New Subnet from the context menu. If desired, you can create IPv6 subnets. After you create
17%
HTTP/1.1 versus HTTP/2 and HTTP/3
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
by the image with the previously announced size of 32,768 bytes. Listing 1 Opening a Page GET /trainings HTTP/1.1 Host: www.it-administrator.de User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64
17%
Improved Performance with Parallel I/O
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ying Feng Johansson, 123RF.com
seconds) and 80% parallel (800 seconds), but with only one process. Amdahl's Law says the speedup is 1.00. As the number of processes increase, the wall clock time of the parallel portion decreases
17%
The limits and opportunities of artificial intelligence
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © sebastien decoret, 123RF.com
pioneers of neural networks, expressed it in an interview as follows: "My view is throw it all away and start again" [6]. ADMIN: If the mood among scientists is fairly sober, then where did all this hype

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