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25%
VM and cloud management with openQRM
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Jason Murillo, 123RF.com
a Connection to the Amazon Public Cloud The Amazon Web Services (AWS) consist of services, for example, virtual servers (EC2), storage (S3), and networking (CloudFront, VPC), which are managed in a web
25%
Harden your Apache web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
have been using Apache for many years, it is best to take a look at the changes in version 2.4 [3], which include the new mod_authz_host access module with the Require directive, which replaces
25%
Better monitoring for websites and certificates
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © amasterpics123, 123RF.com
. Also available are commercial editions with support and additional convenience features for self-hosting as well as a software-as-a-service (SaaS) offering. In this article, I show you how
25%
Troubleshooting and analyzing VoIP networks
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Ioannis Kounadeas, Fotolia.com
problems on Open Systems Interconnection (OSI) model Layer 2 or 3 is almost trivial compared with VoIP analysis. In Internet telephony, the sources of error migrate to higher OSI Layers 4 through 7. Vo
25%
Password management with FreeIPA
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Marqs, photocase.com
CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUlJQklqQU5CZ2txaGtpRzl3MEJBUUVGQUFPQ0FROE FNSUlCQ2dLQ0FRRUEycGtHL2YzTDd0VmpxblA2cTdPaApkMmJvbTFVTDhPeXdveXZTaXptdUYvME94 NjErRWRIbmRld25icGlXYjdaaER4c05lVk14SXRpc
25%
pyamgx – Accelerated Python Library
16.05.2018
Home »  HPC  »  Articles  » 
with GPUs using MPI (according to the user’s code). OpenMP can also be used for parallelism on a single node using CPUs as well as GPUs or mixed with MPI. By default, AmgX uses a C-based API. The specific
25%
Access Anywhere with Mobile IPv6
16.04.2013
Home »  Articles  » 
Imagine that you are working in your home office with your tablet, which is connected to your home’s wireless network. You leave the house for the airport, and while you’re traveling in a taxi
25%
Parallel I/O Chases Amdahl Away
12.09.2022
Home »  HPC  »  Articles  » 
Amdahl’s Law explains why the serial portion of applications don’t scale in performance as computing resources are added for the same problem size. The serial portions of an application can come
25%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
for Enterprise JavaBeans (EJB) [2] and a web server based on Tomcat that supports servlets and JavaServer Pages (JSP). History and Architecture JBoss was developed in the 1990s by Marc Fleury as a pure EJB
25%
Network overlay with VXLAN
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Fikri Rasyid on Unsplash
, which is based on classic 802.1Q VLAN technology, is interrupted by a routed link in Layer 3, the required transparency is lost. A virtual extensible local area network (VXLAN) solves this problem

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