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26%
Software-defined networking with Windows Server 2016
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Kirill Cherezov, 123RF.com
with the physical adapters on the host. The physical adapters are connected to physical switches, routers, and firewalls. Special features include quality of service (QoS), HNV, and others. Clearly, managing virtual
26%
Resolving problems with DNS, Active Directory, and Group Policy
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Fernando Gregory, 123RF.com
name. By default, Windows Server 2012 R2, for example, tries to resolve the name to the IPv6 address, resulting in undesirable messages. Figure 3: Error
26%
Discover system vulnerabilities and exploits
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Charles on Unsplash
tools are available for testing your own systems. Of course, I assume you will only target your infrastructure and not that of others. Many Options With an image size of about 3.5GB, Kali Linux
26%
The Ruby Version Manager (RVM) hands-on
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
©Mettusr, 123RF.com
.g., with jruby-1.6.3 or ree-1.8.7). If you need a list of the Ruby derivatives and versions that RVM lets you install, just type rvm list known. You will notice that you can specify a patch level (as in ruby-1 ... 6
26%
Designate provides DNS as a Service in OpenStack
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Gabriele Maccaroni, 123RF.com
.g., www.example.com ). To that end, a corresponding A record (or AAAA [quad-A] record for IPv6) must be stored for a domain, and a corresponding PTR record (which refers to the A record) must be created
26%
Persistent storage management for Kubernetes
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by CHUTTERSNAP on Unsplash
Simple Storage Service (S3)/Swift interface to the object storage. Because of its tie-ins to the further history of Ceph, I also need to mention GlusterFS, developed in 2005. The plan was an open source
26%
File access optimization discovery and visualization
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Barnabas Davoti on Unsplash
is important. Most existing tools (e.g., Darshan [1], Vampir [2], libiotrace [3]) are profilers that collect data during runtime and provide the collected data for later analysis. With the libiotrace
26%
Automation with PXE Boot
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Sergey Jarochkin, 123RF.com
OS server. PXE (or Preboot eXecution Environment) started in the early 1990s as an improvement to a series of protocols used to bootstrap diskless clients. The idea was to provide a complete boot
26%
News for Admins
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
 
to deliver support for S/390 as well for eventual full parity with RHEL. The community shouldn't settle for anything less." This is a fully stable release (as the beta was made available back in January
26%
FreeRADIUS for WiFi hotspots
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Tyler Olson, 123RF.com
the hash, for example, with sha1sum for SHA-1: echo -n "magazine" | sha1sum This entry in the users file, ADMIN SHA-Password := "e3d5a52968cef277f476a78124d8e05f1d558953" replaces the one above. One

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