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12%
Nagios on a Rasp Pi 3 with NEMS
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Chris Gendreau; Fotolia
a browser and SSH, in which case no other hardware is necessary (i.e., a keyboard, monitor, or mouse). The Pi is powered by a 5V micro-USB. To avoid power issues, use a power supply that provides 2.5A
12%
Users speak on Kubernetes in business practice
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © alphaspirit, 123RF.com
, which are asserting themselves in many places and are generally seen as drivers of IT innovation. Porsche Informatik [1] has taken this path. The company provides IT services for Porsche Holding Salzburg
12%
What's new in PostgreSQL 9.4
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
attribute values or the existence of certain keys in JSONB documents and the associated possibility to index relevant queries provides a variety of interesting applications compared with the old JSON data
12%
Business continuity management
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Andrea Danti, 123RF.com
administrators the ability to use their own data center, a hosting service provider, or Azure as the replication location. This saves costs and overhead for setting up and managing a secondary site. Environments
12%
Data center networking with OpenSwitch
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © higyou, 123RF.com
. However, not everyone has access to the required compatible hardware; fortunately, the project provides an alternative for virtual servers. The image is available in the Open Virtualization Appliance (OVA
12%
VPN clients for Android and iOS
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © fckncg, 123RF.com
server. However, I wasn't able to establish a connection to the corporate server using any of these apps. Other apps only allow a connection to remote sites of certain providers. For example, an IPsec
12%
Dialing up security for Docker containers
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © Dmytro Demianenko, 123RF.com
the processes outside the container – provided that there is no vulnerability in the namespace implementation of the Linux kernel. Docker also creates control groups for new containers. Control groups limit
12%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
, particularly for HPC. Vmstat reports Linux system virtual memory statistics. Although it has several “modes,” I find the default mode to be extremely useful. Listing 2 is a quick snapshot of a Linux laptop
12%
Securing containers with Anchore
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © loiic, Fotolia.com
has its place and can speed up scenarios in which you need to bring up multiple containers. On my laptop, I'm using a Debian derivative (courtesy of Ubuntu 18.04 and Linux Mint "Tara"). When installing
12%
PC over IP
03.09.2013
Home »  Articles  » 
 
1) provides support for two Mini DisplayPorts and imaging performance of up to 130 megapixels per second (Mpps). Figure 1: TERA2220 host card with two

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