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18%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
are over i = 2,n − 1 and j = 2,n −1. Here is how you can write the iteration over the domain using array notation: a(2:n-1,2:n-1) = 0.25 * &     (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n
18%
Linux nftables packet filter
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © alphaspirit, 123RF.com
: /lib/modules/4.20.5-200.fc29.x86_64/kernel/net/netfilter/nf_tables.ko.xz alias: nfnetlink-subsys-10 author: Patrick McHardy license: GPL depends
18%
Linux infrastructure servers for small and midsize businesses
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Lead Image © stillfix, 123RF.com
introduced update is based on a 12-month-old CentOS/RHEL release, with no sign of a new version based on Rocky Linux/RHEL 8. NethServer: Looking to Break New Ground NethServer [2] is an open source project
18%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
/lib/sheepdog root 582 581 0 13:13 ? 12:00:00 AM sheep -p 7000 /var/lib/sheepdog # grep sheep /proc/mounts /dev/sdb1 /var/lib/sheepdog ext4 rw,relatime,data=ordered 0 0 # grep sheep /etc/fstab /dev
18%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
port Capture packets coming from or going to a port or a range of ports. # tcpdump port 21# tcpdump port 20-25 AND (&& or and)OR (|| or or)EXCEPT (! or not) Combine
18%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
't need a working X setup on the system, which is common in the admin world. tput (TUI): Tput is part of the ncurses package supplied with most Linux distributions. At first blush, tput [3] sounds really
18%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
-host storage like Ceph like Ceph or the more cloud-friendly GlusterFS [12]. It's What's Inside that Counts Security used to be much worse when it came to the internals of a container. Up until Docker v1
18%
Intel Rolls Out New High Performance Processors
17.09.2013
Home »  News  » 
 
's leading 22nm manufacturing process. Equipped with up to 12 cores, the new chips support a variety of computationally intensive workloads, with performance gains of up to 50 percent. The Intel Xeon E5-2600 v
18%
A self-hosted server and site manager for WordPress
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © Marek Ulliasz, 123RF.com
. When the control panel deploys a WordPress server, its scripts assume that the server is running on Ubuntu 20.04 or 22.04. The other shortcoming is the user interface (UI). Because it is based on Word
18%
Finding Your Way Around a GPU-Accelerated Cloud Environment
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
) is currently based [3]. It has been replaced since by ec2-metadata [4] as Canonical decided to standardize on Amazon's implementation of the tool beginning with Groovy Gorilla (20.10). Documentation indicates

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