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News briefs for July 24, 2019.

Created in 2013, InfluxDB has established itself as one of the most used time series database. Used by many successful companies around the world like eBay, IBM or Mozilla, InfluxDB can be used in a wide variety of sectors : DevOps, monitoring, IoT and even cybersecurity!

I've spent the last few weeks, unbelievably busy with our latest project, and we may need some help on that soon, but that's another discussion. I titled this article "It's About Time" for good reason.

It's time that I go.

This tutorial shows you how to set up a JMeter cluster for load tests. JMeter can be used to simulate a heavy load on a server, group of servers, network, or object, to test its strength, or to analyze overall performance under different load types.

The ls command lists files on a POSIX system. It's a simple command, often underestimated, not in what it can do (because it really does only one thing), but in how you can optimize your use of it.

"/dev/null" in Linux is a virtual device file, and whatever you write to "/dev/null" is discarded and forgotten. Learn how /dev/null works in Linux.

As spotted in the latest beta build of Dropbox, the support for ZFS, XFS, Btrfs and eCryptFS is coming back to Linux. It was dropped from Dropbox on Linux in late 2018.

Have an old computer gathering dust in your basement? Why not put it to use? A backup machine could come in handy if your primary computer fails and you want to be online with a larger screen than your smartphone. Or it could act as a cheap secondary computer shared by the family. You could even make it into a retro gaming box. You can take any computer up to a dozen years old and—with the right software—perform many of the same tasks you can with new machines. Open source software is the key.

Canonical drags the telco into the 21st century. British Telecom has chosen Ubuntu OpenStack, developed by open-source specialist Canonical, as the cloud platform that will help support the introduction of 5G and fibre-to-the-premises connectivity in the UK.…

Visual Studio, ASP.NET Core and Linux: Some tension Hands On Microsoft loves Linux – but coding and deploying an ASP.NET Core application for the open-source OS comes with a bit of friction compared to using Windows.…

The Fedora CoreOS team is excited to announce the first preview release of Fedora CoreOS, a new Fedora edition built specifically for running containerized workloads securely and at scale. It’s the successor to both Fedora Atomic Host and CoreOS Container Linux. Fedora CoreOS combines the provisioning tools, automatic update model, and philosophy of Container Linux […]

Cryptomator, a free and open source client-side encryption tool for cloud files, got an update today and with it, some new features like password saving on Linux, and custom mount flags.

Canonical introduced Live patch Service in Ubuntu 14.04 LTS system. Live patching service allows you to install and apply critical Linux kernel security updates without rebooting your system. You can enable Canonical Live patch in both variants desktop and server, through the command line.

Linux kernel headers are the unstable, constantly-changing, internal API of the kernel. This includes internal kernel structures (for example, task_struct) as well as helper macros and functions. Unlike the UAPI headers used to build userspace programs that are stable and backward-compatible, the internal kernel headers can change at any time and any release.

In this article, we will see how to downgrade the installed packages on Ubuntu. There are two different ways to downgrade an installed package to its earlier version: using Synaptic Package Manager and using the Terminal. We will see how to use both of these ways.

The latest version of npm Enterprise adds new package filtering capabilities and enhances single sign-on, in an effort to improve developer workflow.

Axiomtek’s “PICO319” SBC is built around a quad-core Atom x5-E3940 SoC and offers 2x GbE, 2x USB 3.0, DP and LVDS, mini-PCIe and M.2, and -40 to 70°C support. The PICO319 is the latest of several Axiomtek Pico-ITX boards with an Intel Apollo Lake processor, including last year’s PICO316. The PICO319 incorporates the quad-core, up […]

If you are learning Bash scripting by reading other people’s code you might have noticed that the first line in the scripts starts with the #! characters and the path to the Bash interpreter. This sequence of characters (#!) is called shebang and is used to tell the operating system which interpreter to use to parse the rest of the file.

Zenity is a very useful utility which let us create graphical user interfaces for our shell scripts. Several widgets exists, and can be used by invoking the program with the respective options. The widgets are based on the GTK toolkit, and return the result of the user interaction either on the standard output or as a return code.

Today, you’ll be happy to know that there’s a rainy-mood-like extension for GNOME Shell, that allows you to listen to many similar sounds directly from your desktop. Its setup and usage is quite simple and easy. Its name is Focusli.