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48%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
baseos 32 k perl-URI noarch 1.73-3.el8 appstream 115 k perl-Unicode-Normalize x86_64 1.25-396.el8 baseos
48%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
118 x=delta*i 119 u(i,1) = dsin(pi*x) 120 ENDDO 121 122 ! Right hand side of unit square: (E) 123 DO j=1,m 124 u(m,j) = 0.0d0 125 ENDDO 126 127 ! Left hand side
47%
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
47%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
47%
OpenSMTPD makes mail server configuration easy
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © alphaspirit, 123RF.com
effort. Multiple Flavors OpenSMTPD is at home not just on its native OpenBSD, but on Linux (with binary packages for Gentoo, Slackware, Debian, and Arch) and other BSDs, including Mac OS X. The package
47%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Sun Jul 25 20:12:28 2021 from 192.168.122.1 [mfeilner@parrot][~] $ telnet 192.168.122.236 21 Trying 192.168.122.236... Connected
47%
Encrypted backup with Duplicity
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Boing, Photocase.com
backups are created faster. Duplicity is licensed under the GNU GPL and thus can be used free of charge. Duplicity is tailored for Linux and other Unix operating systems, such as BSD or OS X. Most major
47%
HPC Cloud Storage
20.11.2013
Home »  HPC  »  Articles  » 
original files (a portion of this listing is below): [root@home4 ~]# ls -lstar /mnt/s3ql/laytonjb/Documents/ total 897781 5265 -rw-r--r-- 1 root root 5390660 Nov 10 10:25 PGAS Languages NCSA 2009.pdf 65
47%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
897781 03 5265 -rw-r--r-- 1 root root 5390660 Nov 10 10:25 PGAS Languages NCSA 2009.pdf 04 65 -rw-r--r-- 1 root root 65893 Nov 10 10:25 cavp-03.pdf 05 0 drwxr-xr-x 1 root root 0
47%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
are the result of background radiation – primarily neutrons from cosmic rays. The same Wikipedia article said that the error rates reported from 2007 to 2009 varied all over the map, ranging from 1010 (errors

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