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18%
Core Linux Commands for HPC
09.03.2025
Home »  Articles  » 
will be controversial, revolve around networking (Table 3). The idea is to start understanding the basics of networking and a few commands on how to check on various aspects. Table 3: Secondary Networking HPC Linux
18%
Server validation with Goss
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Ewa Walicka, fotolia.com
passes an IPv4 address to the API website and expects the correct geographical assignment: http: geoip-api: status: 200 url: http://geoip.example.net/1.2.3.4 body: - Australia
18%
Live migration of virtual machines on Hyper-V
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Anna Omelchenko, 123RF.com
, such as an external hard drive, or directly across the network. You can also set up a schedule (Figure 3). Figure 3: Scheduling the replication
18%
Tools for troubleshooting the network
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Photographer, 123RF.com
(Figure 3). In subsequent test runs, you can compare the results with a previously saved map; devices added or removed are listed in each category. Figure 3
18%
Improve the physical security of your business
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© ginasanders, 123RF.com
. Often, pressing the handle doesn't just activate the latch, but it also draws back the bolt on the locked door. In this case, an attacker needs a door handle catch (Figure 3). A piece of wire, bent
18%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
of approximately $3M per MW of IT. In addition, IT systems that can tolerate higher temperatures can reduce the risk of IT failures during facility cooling outages." Red Hat and SAP Red Hat announced
18%
Convenient graphical remote control
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Thor Jorgen Udvang, 123RF.com
set of important remote control functions. On the bottom right is the connection monitor, which you can also hide and which tells you who is accessing the computer across the wire (Figure 3
18%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
to this component as Horrorsync. Corosync was later split up again. Whereas Corosync now primarily handles the exchange of data between the different systems in a cluster, Kronosnet [3] ensures that the information
18%
OpenStack workshop, part 1: Introduction to OpenStack
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
), Glance (images), Nova (cloud controller), Dashboard (web interface; Figures 2 and 3), and Swift (storage), they now include Quantum, which takes care of the network in the cloud, and Cinder, which provides
18%
Flexible user authentication with PAM
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Ana Vasileva, Fotolia.com
configuration, you might want to test the device itself. To do so, scan a fingerprint by giving the tf-tool --acquire command (Figure 3). Then you can use tf-tool --verify

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