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17%
Monitoring network traffic with ntopng
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
not provide for permanent storage of the analysis data with n2disk. Ntopng focuses on two important Linux distribution branches: Debian/Ubuntu and Red Hat/CentOS. The packages required for ntopng are easily ... The open source ntopng tool provides deep insights into network traffic and supports troubleshooting when network problems occur.
17%
Create your own turnkey solutions
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fandorina Liza, 123RF.com
that does not demand extensive knowledge of the internal design. For some appliances, you will have to provide a complete stack – all the way from the kernel to the userland applications. Other times, you ... Software appliances provide a convenient means for packaging, transporting, and deploying software without the need for complex, repetitive configuration steps.
17%
Outfitting an IT training environment with Docker containers
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kamonrat Meunklad, 123RF.com
is to provide the user with an isolated container with root privileges. However, you need to be sure the user doesn't use the root privileges outside of the container environment. We overcame this security ... Docker provide a fast and easy means for giving the students in an IT lab access a personal work environment.
17%
Open source monitoring with Zabbix
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Vincentiu Solomon on Unsplash
, and stores the data in a relational database. The Zabbix web interface is a PHP application that accesses the Zabbix database to visualize the data collected by the server. It provides an interface ... Zabbix provides comprehensive, highly configurable, but easy-to-use system monitoring.
17%
Working with Microsoft Azure RemoteApp
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © bloomua, 123RF.com
Microsoft uses the in-house Remote Desktop Services with Azure RemoteApp to provide Windows applications as a cloud service. It supports both Microsoft Office and applications of your choice ... We describe the setup and functionality of Azure RemoteApp for providing Windows applications as a cloud service.
17%
Software instead of appliances: load balancers compared
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Patrick Fore on Unsplash
setup anyway, so complexity is not a difficulty. HAProxy connections are available for all common automation systems, either from the vendor or from third-party providers. I also need to mention ... We introduce the most important software load balancers, look at their strengths and weaknesses, and provide recommendations for use scenarios.
17%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
this kind of hardware monitoring. But much hardware information can also be retrieved using SNMP. An SNMP monitor called OpenNMS relies on users to provide vendor-independent hardware monitoring. Popular ... The OpenNMS monitoring tool is a kind of all-purpose weapon that can provide administrators with a versatile range of information.
17%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
without spending a large amount of cash on service providers or proprietary software? The ideal solution would be open source – free of licensing costs and similar complications and definitely not cloud ... The Easy-RSA tool that comes with OpenVPN provides trouble-free open source PKI management.
17%
Back up virtual machines and clusters
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © ximagination, fotolia.com
granularity. In the event of a sudden power failure, the MRT file still provides a record of what has changed on the disk and guides the back up of data on recovery. The technology thus accelerates ... Vembu BDR Suite provides comprehensive software that supports flexible configuration when backing up virtual production operations.
17%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
Commands provided by plugins: ps.bro [] - Show Bro processes on nodes' systems Interactive Shell Besides the install and start commands used earlier, the ps ... The Bro network analysis framework provides network security monitoring as well as more general network traffic analysis.

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