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36%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
 /var/log/syslog.1 , so a new syslog can begin. All of the previous syslogs have their extensions incremented by 1, and the syslog with the largest count (e.g., syslog.7 ) is erased from the system, so /var/log  won
36%
Purdue Model for industrial networking
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © James Thew, Fotolia.com
the facility network with state-of-the-art Ethernet switches. Although these technologic advances open up new options, they also harbor specific risks. Centralized control of a zoo of systems on a network
36%
Identify malicious traffic with Maltrail
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Andrea De Martin, 123RF.com
system, open a new terminal window and type the commands: [[-d maltrail]] || git clone --depth 1 https://github.com/stamparm/maltrail.git cd maltrail python server.py When the sensor is started
36%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
behind them listening for a connection, but of course they can be opened up by an application whenever a new process is spawned. An Unfiltered Port means that Nmap can't see through the fog and tell
36%
Programming with Go
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dimitar Dimitrov, 123RF.com
. The language inventors are employed by Google, and Go has made its way onto the Google App Engine just like Java and Python; however, support for Go is currently in the experimental stage [2]. Future Promise
36%
Monitoring Tools for Admins
04.11.2025
Home »  Articles  » 
. I originally started this article by using those fancy new AI tools that everyone has been talking about. In particular, I was looking for a list of possible problems or issues that HPC Administrators
36%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
a message for each document. At the end of the run, a statistic is shown. When new documents are added, information for the documents is added to the existing index. The index is not normally rebuilt
36%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
behind Shinken [4], analyzed Nagios from the distributed monitoring point of view. Unhappy with the existing approaches, he began to develop a new concept in Python. He decided to launch a separate project
36%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
(capsd) assisted by plugins. Version 1.8 introduces a new mechanism, which is integrated into the provisioning daemon (provisiond) as a foreign source. OpenNMS currently supports both mechanisms (Figure 2
36%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
the victim discovers the compromise, new security measures and password changes rapidly go into effect. Strong vs. Weak System administrators need to audit passwords periodically, not only to make sure

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