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18%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
"kernel by-pass" applications (i.e., these are "on the wire" data transfers that are hard to virtualize). If high-performance networks are not available, many HPC applications run slowly and suffer from
18%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
++ agents in OpenNMS. All of this makes OpenNMS a professional, convenient, and secure network management system from a single source – from small to medium-sized businesses, through to the enterprise field
18%
Installing and managing thedistributed GlusterFS filesystem
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Tetiana Pustovoitova, 123RF.com
add more servers or remove existing servers from the storage pool on the fly. GlusterFS works kind of like "RAID on the network," and if you look closely, you will discover many RAID concepts during
18%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
easy to develop your own applications for SIP. However, if you use the SIP protocol for Voice over IP calls, you will discover some complications reaching an address on a private network that resides
18%
Setting up Exchange Server 2010 with SP1
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Francois Lariviere, 123RF.com
Before you can install Exchange Server 2010, whether in a test environment or on a production network, you first need to fulfill a couple of requirements. The server needs to run Windows Server 2008
18%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
VPN. The free SSL virtual private network (VPN) joined the mainstream with release 2.1, and it is useful for large-scale setups. Aladdin [2] dominates the market for USB stick-based cryptographic access control
18%
Building more efficient database applications with a graph database
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Jakub Krechowicz, 123RF.com
Peter knows Paula, a freeway links Cologne with Dortmund, and a network cable leads from Marvin to Zaphod. These relationships can be recorded in a visually intuitive way (Figure 1), and the results
18%
Server virtualization with Citrix XenServer
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Goss Vitalij, Fotolia
to restore. Test Setup Installing XenServer on a server system is typically fast and painless, but you'll need to consider network and disk capacities and assignments because these might be difficult
18%
vSphere 5 vs. XenServer 6
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kozinia, 123RF.com
Availability VMware completely reengineered clustering services, such as VMware high availability (HA), for vSphere 5. In the past, an isolated host could cause issues, creating a network failure, interrupting
18%
Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Henner Damke, 123RF.com
the important remote network tools (e.g., SH, RDP, VNC, Telnet, Rlogin, FTP, SFTP, and XDMCP). X11 forwarding is supported by OpenSSH. The full MobaXterm package thus consists of the embedded X server, the tab

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