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Icinga 2 is a modern open-source network monitoring application which can be used to monitor the network infrastructure and check the health of servers and their services. In this tutorial, we’ll show you how to install Icinga 2, Icinga Web 2 and all the required components on a Debian 9 VPS.

Created in 2012 at SoundCloud, Prometheus is a time series database used in DevOps for real time monitoring. Prometheus is part of an ecosystem that provides alerting, dashboarding as well as a whole set of tools to bind to your existing datasources but Docker is a virtualization platform that provides a way to easily create, manage and run containers in a single node environment or a cluster. In this tutorial, we are going to install Prometheus with Docker as well as setting up a basic configuration for Prometheus.

There are many excellent resources available to teach you how to run an open source project—how to set up the collaboration tools, how to get the community engaged, etc. But there is much less out there about open source strategy; that is, about how to use well-considered open source investments to support an overall mission. read more

Three ways are available in Red Hat based systems to exclude certain packages from yum update.

SDCV is a dictionary utility you can run on your Linux Terminal. Learn how you can install a dictionary on Linux Terminal and look up words with commands.

Secure your systems with multiple SSH keys without losing your mind

Swappiness is a Linux kernel property that sets the balance between swapping out pages from the physical memory to the swap space and removing pages from the page cache. It basically defines how often the system will use the swap space.

To run Mac apps on Linux, you'll need some sort of virtual machine or translation layer. You can either make use of Virtualbox, or Darling translation layer

Free/Open Source software (FOSS) and (GNU/)Linux don’t quite change the world as much as they’re being changed by monopolies (software, hardware and entertainment) to suit their agenda and eliminate any remnants of freedom

Linux runs almost everything these days, but many people are not aware of that. Some might be aware of Linux and might have heard that this operating system runs supercomputers. According to Top500, Linux now powers the five-hundred fastest computers in the world. Go to their site and search for "Linux" to see the results for yourself.

pgAdmin4 is an open-source PostgreSQL management tool designed for multiple PostgreSQL database versions. In this tutorial, we're going to show you the installation and configuration of pgAdmin4 'Server Mode' on Ubuntu 18.04 server.

Arbor’s fanless, rugged ”ELIT-1930” signage player runs Linux or Windows on an 8th Gen Coffee Lake-S CPU with up to 32GB DDR4, triple 4K displays, 2x GbE, 3x COM, 4x USB 3.1, and 3x M.2. Arbor Technology announced a new member of its ELIT series of digital signage systems equipped with Intel’s 8th Gen Coffee […]

There are many technical problems to be solved before this popular, formerly proprietary file system can be in the shipping open-source Linux code.

Collabora put out a fresh technical blog post today to talk a little about virglrenderer, with the latest version enabling a big leap for accelerated OpenGL within a virtual machine.

Save the family joules, urge Apple's WebKit developers. Apple WebKit engineers Benjamin Poulain and Simon Fraser have offered advice to web developers about how to design power-efficient web pages, to preserve the life of mobile device batteries and give users move time interacting with web content.…

VirtualBox is an open-source cross-platform virtualization software which allows you to run multiple guest operating systems (virtual machines) simultaneously. This tutorial explains how to install the latest VirtualBox on Debian 10, Buster.

Neousys has launched a “Nuvo-8208GC” edge AI PC and three variants of a “Nuvo-7100VTC” automotive controller with 9th and 8th Gen Coffee Lake CPUs. It also added 9th Gen support to the 8th Gen ready Nuvo-7000 and Nuvo-7164GC. Taiwan-based Neousys Technology announced support for Intel’s 9th Generation Coffee Lake processors on six Nuvo-branded industrial computers, […]

If you spend most of your day staring into a terminal, it's only natural that you want it to look pleasing. Beauty is in the eye of the beholder, and terminals have come a long way since the days of CRT serial consoles. So, the chances are good that your software terminal window has plenty of options to theme what you see—however you define beauty.

hyperfine is a command-line benchmarking tool. It’s designed to measure the full execution time of a program. This open source tool is written in the Rust programming language.

Converseen is a GUI batch image processor that allows us to convert, compress, resize, rotate and flip one or multiple images with a few mouse clicks!