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15%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
before other problems. Although the Nagios Remote Plugin Executer (NRPE) is the standard in many environments, SSH is preferable, not only because of its firewall awareness and vendor updates, but above
15%
Server virtualization with Citrix XenServer
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Goss Vitalij, Fotolia
information GUI, which provides a plethora of useful information concerning the server. The SMTP Agent that installs at the same time lets you remotely monitor XenServer using, say, Nagios. The close link
15%
Can your web server be toppled with a single command?
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Almagami, 123RF.com
. Of course, you can apply these rate-limiting rules to any port number on your server, but proceed with caution and don't lockout remote access by accident if you decide to experiment with the ruleset. What I
15%
News for Admins
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
 
with open source software also value factors such as work-life balance, remote work, open source policy guidelines, and training and certification opportunities. "This report offers a unique view into what
15%
Full-spectrum security scanner
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Jakob Boman on Unsplash
images and those in registries), the filesystems of running systems or virtual machines (VMs), remote code repositories, infrastructure-as-code (IaC) manifests, and even live Kubernetes clusters
15%
Internal central repositories for PowerShell modules
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Kenny Eliason on Unsplash
SilentlyContinue)){ Register-PSRepository <Repo-Name> } This command can be executed in different ways on all of your systems, and you can use PowerShell remoting to start this command centrally
15%
Centralized Password Management
06.08.2013
Home »  Articles  » 
 
for authentication in remote login scenarios on Linux servers. Personal, non-administrative identifiers in combination with the use of sudo on Linux, or UAC on Windows, make shared knowledge of the root
15%
HPC Data Analytics
08.08.2014
Home »  HPC  »  Articles  » 
to an interactive system or a user's workstation. Some HPC systems offer what is termed ``remote visualization.'' The University of Texas Advanced Computing Center (TACC) has a system named Longhorn [28
15%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
added 'myfirstapp-feilner.rhcloud.com,\ 54.89.183.121' (RSA) to the list of known hosts. 19 Connection closed by 54.89.183.121 20 fatal: Could not read from remote repository. 21 22 Please make sure
15%
Tool your HPC systems for data analytics
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Sergey Nivens, 123RF.com
"remote visualization." The University of Texas Advanced Computing Center (TACC) has a system named Longhorn [28] that was designed to provide remote visualization and computation in one system. HPC systems

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