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57%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
Scenarios: 21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page 22 23 1 scenario (1 failed) 24 4 steps (1 failed, 3 skipped) 25 0 ... 3
57%
Processing the new sudo logging format
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Kelly Sikkema on Unsplash
-formatted logfile to a different logging instance to analyze the logs there. The syslog-ng website provides some examples [2]. Listing 1 /etc/syslog-ng/conf.d/sudo.conf # cat sudo.conf source s
57%
Supercomputing Conference 2024
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © djem, 123RF.com
's Perlmutter Supercomputer. IEEE, 2024: DOI 10.1109/SCW63240.2024.00180: https://conferences.computer.org/sc-wpub/pdfs/SC-W2024-6oZmigAQfgJ1GhPL0yE3pS/555400b391/555400b391.pdf Open OnDemand: https
57%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3
57%
The Resurrection of bWatch
02.06.2025
Home »  Articles  » 
Photo by NASA Hubble Space Telescope on Unsplash
-purpose, interpreted and dynamic Tool Command Language (Tcl) was created by John Ousterhout in the 1990s. From the name you can probably tell that it was intended to be a language for writing tools for whatever platform
57%
Using a tablet as a portable management console
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Peter Bernik, 123RF.com
, somehow the signal could reach you. During the post-pager revolution (The 1990s), you received a new device that offered two-way communications: The ubiquitous cell phone. The cell phone could not only
57%
Managing mailing lists with Mlmmj
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© suze, Photocase.com
is mainly web-based, protected by the same password for all moderators, and mailing lists of the same name will not be supported until version 3.0 is released. After evaluating several systems, Mlmmj
57%
The Ruby Version Manager (RVM) hands-on
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
©Mettusr, 123RF.com
applications. Java-related and performance-critical projects use JRuby [3], a Ruby implementation in Java that leverages Java bindings in a Rails project. RubyGems [4] is a de facto standard for extensions
57%
File access optimization discovery and visualization
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Barnabas Davoti on Unsplash
for its effect on the optimization potential and classifies it accordingly. If one of the calls would prevent an optimization, the loop is broken and the optimization point receives a category 0 or 3
57%
Programming with Go
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dimitar Dimitrov, 123RF.com
, Russ Cox joined the Go project, and the work went forward a little faster. In November 2009, the team finally presented the first public release of the Go compiler. In March 2012, version 1.0

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