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New Report Exposes the Prevalence of Lame Passwords
19.08.2014
Home »  News  » 
 
characters or a diversified character set. "An automated tool can crack a completely random eight-character password including four character types such as "N^a&$1nG" much faster than a 28-character passphrase
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OpenACC – Porting Code
07.03.2019
Home »  HPC  »  Articles  » 
; you should collapse two or more loops. Table 4: Collapsing Loops Fortran C !$acc parallel loop collapse(2)    do i=1,n       ...       do j=1,m          ...       enddo
50%
Migrating CentOS to Rocky Linux with migrate2rocky
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Ray Hennessy on Unsplash
in this article [4] supports upgrades from CentOS 8, and another script called migrate2rocky9.sh supports RHEL 9-based distributions. If you are still using CentOS 7, the recommended solution is to set up a new ... CentOS users need to find a replacement soon. If you use CentOS 8 and you're looking for safer ground, the migrate2rocky script will automatically migrate your system to Rocky Linux – an enterprise ... migrate2rocky ... Migrating CentOS to Rocky Linux with migrate2rocky
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When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
%[=============================================================================================>] 1.77M 8.85MB/s in 0.2s 2021-03-21 15:40:30 (8.85 MB/s) - 'perf-5.9.0.tar.xz' saved [1857268/1857268] Extract the file into a local working directory $ tar xJf perf-5.9.0.tar.xz and change
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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
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History and use of the mail utility
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Vlad Kochelaevskiy, fotolia.com
[<-] 220 mx.google.com ESMTP t2fjm4427fd213ply.2523 - gsmtp [->] EHLO smtp.box.tld [<-] 250 SMTPUTF8 [->] STARTTLS [<-] 220 2.0.0 Ready to start TLS [->] EHLO smtp.box.tld [<-] 250 SMTPUTF8 [->] AUTH LOGIN
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Securing the container environment
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © zeferli, 123RF.com
Running hunger-check 0 56218b2e56fa8 hunger-check-deployment-96b6764f9-7zsbk cbdd56829a054 0ff4eace8cd5b 2 months ago Running metadata
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CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
command, except it lists all of the cores at once. Listing 4 Real or SMT? Method 2 $ cat $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0
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Monitoring Memory Errors
17.09.2013
Home »  Articles  » 
 
of an uncorrectable error by factors of 9–400. Uncorrectable errors following a correctable error are still small at 0.1%–2.3% per year. The incidence of correctable errors increases with age
50%
Using loop directives to improve performance
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © orson, 123RF.com
if z(i) depends on a previous value, as in the following: do i = 2,n z(i) = z(i-1)*2 enddo As written, you can't generally parallelize the loop because of data dependency [4]. This dependency

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