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Introduction to behavior-driven monitoring

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

: "Behavior-Driven Infrastructure." Taking Stock Cucumber-Nagios is integrated as a plugin for any open source monitoring system that can interpret the values returned by Nagios plugins. This tool is based

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A simple approach to the OCFS2 cluster filesystem

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

filesystem (AFS) is another network filesystem that is available in a free implementation, OpenAFS [3]. On the other hand are cluster filesystems. Before computers can access "distributed" data, they first

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Script utilities in depth: grep, awk, and sed

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

the beginning of each ordinary paragraph within the file: grep "opening tag because it can take different

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Installing and managing thedistributed GlusterFS filesystem

30.11.2025

Home » Archive » 2012 » Issue 08: FreeNAS »

shouldn't be much more complicated than installing the packages. In each case, you need to ensure that FUSE, OpenSSH, Wget, and, if needed, the NFS tool (which is available in the nfs-common package

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Full-spectrum security scanner

07.10.2025

Home » Archive » 2025 » Issue 89: Autom... »

Trivy is an open source, all-in-one security scanner by Aqua Security that has rapidly become a go-to tool in the DevSecOps toolkit [1]. It earned this reputation by combining multiple security

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Advanced security in Windows Firewall

31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

. Additionally, you can Change notification settings , which opens the same window that lets you enable or disable the Windows Firewall. The only notification setting you can modify is the one that enables

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Security without firewalls

31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

specifically network services) to a minimum. By having, say, only three ports open on your server, such as HTTP, SMTP, and SSH, you're significantly limiting the number of attack vectors on your system. Aside

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Agile system management in large-scale environments with Func

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

a for loop to open an SSH connection to each of the servers and running the update command is a quick workaround: # for i in `seq 1 10`; do ssh www$i update httpd; done If the administrative SSH key

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A first look at Apache 2.4: Web server for the cloud

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

.4 At the Palmetto Open Source Software Conference (POSSCON, Columbia, South Carolina) in March, I had the good fortune of seeing Jim Jagielski talk about Apache 2.4. If you want to know what's going on with Apache

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Can your web server be toppled with a single command?

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

are of the new variety. That approach won't work here because the poor, old Apache server actively tries to keep the connections to the visitor's browsers open so that it can consume less bandwidth and web server

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