Deploy OpenStack in a few minutes

In this blog, we will provide a procedure for installing an all-in-one OpenStack Newton Open Virtual Appliance (OVA) on Linux (Fedora 27) and KVM hypervisor. We will make use of the image created by Matt Dorn for the really great book "Preparing for the Certified OpenStack Administrator Exam" published by Packt Publishing  in august 2017.…

AI Can Be Made Legally Accountable for Its Decisions

In the near future when Artificial Intelligence (Intelligence displayed by machines) will start to spread out and autonomously make important decisions that will impact our daily lives, the issue of its accountability under the law will raise. AI systems are expected to justify their decisions without revealing all their internal secrets, to protect the commercial…

Nagios Plugins for Linux v22

I'm delighted to announce the immediate, free availability of the version 22 of the the Nagios Plugins for Linux. The Nagios Plugins for Linux is a free and open source (license) set of plugins for monitoring the major system parameters of the Linux servers. As usual the complete source code is available at GitHub (nagios-plugins-linux-22.tar.xz). You can…

Nagios Plugins for Linux v21

The Nagios Plugins for Linux version 21 is now available. The source is available at GitHub: nagios-plugins-linux-21.tar.xz You can find documentation on https://github.com/madrisan/nagios-plugins-linux What's new in this release Enhancements check_paging - the command-line option --swapping-only has been added for displaying only the swap reads and writes. The help message has been updated and improved by…

SaltStack SDB Interface

The SDB (Simple Data Base) interface is designed to store and retrieve data that, unlike pillars and grains, is not necessarily minion-specific. It is a generic database interface for SaltStack. We will show how we can make use of SDB for storing and retrieving passwords. SDB Configuration The SDB interface requires a profile to be…

SaltStack Execution Modules

SaltStack (or Salt, for short) is a Python-based open-source configuration management software and remote execution engine. It supports the "Infrastructure as Code" approach (the process of managing and provisioning computer data centers through machine-readable definition files, rather than physical hardware configuration or interactive configuration tools) to deployment and cloud management. I'll describe in this short…