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7%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
, the use of real Internet links is mostly impossible. Thus, the features are tested in a lab network with simulated links and virtual machines. The demonstration network here (Figure 2) contains several
7%
Processor Affinity for OpenMP and MPI
13.10.2021
Home »  HPC  »  Articles  » 
, along with tools included in the OpenMP standard, MPI libraries, and Slurm. Strap in, it’s going to be a bumpy ride. ... , as in this simple example: $ numactl --physcpubind=2 --localalloc application.exe The kernel scheduler will bind application.exe to core 2 and allocate memory by using the local NUMA node (node 0 for the sample
7%
Highly available storage virtualization
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Les Cunliffe, 123RF.com
. In a situation like this, an effective contingency manual is often worth its weight in gold. In this context, it also makes sense to generate regularly possible error states in the scope of a disaster case test
7%
Monitor and optimize Fibre Channel SAN performance
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © 3dkombinat, 123RF.com
; the FC frames are forwarded to multiple locations along the way in the B2B process, as is the case whenever an HBA or a storage port communicates with a switch port or two switches exchange data with each
7%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
.40 0.00 0.54 1.66 0.00 96.39 Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 393.19 2.17 137.48 2
7%
Opportunities and risks: Containers for DevOps
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ping Han, 123RF.com
FS, so if manual updates are still required, the number of affected installations will be small. 2. Reproducible Containers As elegant as the OverlayFS solution may be, it might not fit situations
7%
How graph databases work
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © iofoto, Fotolia.com
of URI for the designation of Internet pages). The elements of an RDF triple, the URIs, are plain references – or simple literals in the case of some objects – that have no internal structure. One
7%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
and configure the options. Of the many available options, you only need to worry about making changes to a handful of configuration variables. Figure 2: Raspi
7%
Storage protocols for block, file, and object storage
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo Johannes Plenio on Unsplash
, and the momentum in the pace of development also seems undiminished. Above all, the speed at which innovations enter the market is surprising. On the other hand, the storage protocols that guarantee data access
7%
Harden services with systemd
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
on GitHub [1]. With systemd-analyze as a measuring tool, you can track your progress in each case. Infos Hardening options for systemd services: https://gist.github.com/ageis/f5595e59b1cddb1513

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