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18%
Scalable mail storage with Dovecot and Amazon S3
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Vlad Kochelaevskiy, Fotolia.com
to send their 20MB PowerPoint presentations by email. Moreover, the number of email users is still growing steadily, and the amount of data stored by all of a provider's users is growing proportionally
18%
VPN clients for Android and iOS
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © fckncg, 123RF.com
to the local network. The app also supports IPv6, but is not set up using mobile device management (MDM, i.e., security software used by the IT department to manage and secure mobile devices
18%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
Home »  Articles  » 
 
can see how the arp cache poisoning works: $ sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 \ -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2:78:9E \ -H 00:22:6E:71:04:BB -M 00:0C:29:B2:78:9E
18%
Singularity – A Container for HPC
21.04.2016
Home »  HPC  »  Articles  » 
. The . sapp container is a little larger than the previous ones. > ls -sh total 6.1M 16K hello 4.0K hello.f90 6.0M hello_mpi.sapp 4.0K hello_mpi.sspec 4.0K hostfile Executing the container is very
18%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
the code states should be good enough for caches up to 20MB. The Stream FAQ recommends you use a problem size such that each array is four times the sum of the caches (L1, L2, and L3). You can either change
18%
Configuring X Window input and output devices
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Ilya lix on Unsplash
1: +DP-2-2 1080/510x1920/287+0+0 DP-2-2 2: +DP-2-3 1920/598x1080/336+1080+0 DP-2-3 You can use xrandr -q to see which modes the individual devices support. You can then set the desired mode
18%
The Cuckoo sandboxing malware analysis tool
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Tom Baker, 123RF.com
.auxiliary.sniffer] INFO: Started sniffer with PID 9360 (interface=virbr0, host=192.168.122.10, pcap=/home/tscherf/cuckoo/cuckoo/storage/analyses/6/dump.pcap) tcpdump: listening on virbr0, link-type EN10MB (Ethernet
18%
Getting your virtual machine dimensions right
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by ROCCO STOPPOLONI on Unsplash
have 26 cores or 52 hyperthreads per NUMA node for the VM. Figure 2 shows a four-socket server with 28 cores per socket and 6TB of RAM. Figure 2: A four
18%
Porting CUDA to HIP
15.11.2019
Home »  HPC  »  Articles  » 
format. Hipify-perl is easy to use and is the preferred solution for smaller and less complicated programs. Around 90-99 percent of the code converts automatically using the script, and the programmer can
18%
Planning Performance Without Running Binaries
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
bottlenecks, not absolute speedup numbers for the whole codebase. Second, given more resources, you will usually process more data or do more work. Gustafson's law [6] provides an alternative formulation

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