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A new vulnerability in the core runc container code could potentially enable a malicious container to get access to the host operating system. Major vendors and cloud providers are already pushing out patches, but there are other things users can do to limit risk.

In this article, we will show you how to use the Ubuntu command line and the graphical user interface in order to add, list and remove PPA Repositories.

The open-source Istio service mesh technology provides many security options, though a number of critical controls are not turned on by default.

Unsurprisingly readers had great interest in—and strong opinions on—which programming languages you should learn, which brought in almost 15,000 page views to Marty Kalin's article recent article. read more

Matomo (formerly Piwik) is a free and open source web analytics application developed by a team of international developers, that runs on a PHP/MySQL web server. It tracks online visits to one or more websites and displays reports on these visits for analysis.

In my previous article on user namespace and Podman, I discussed how you can use Podman commands to launch different containers with different user namespaces giving you better separation between containers. Podman also takes advantage of user namespaces to be able to run in rootless mode. Basically, when a non-privileged user runs Podman, the tool sets up and joins a user namespace. read more

A look at the benefits of using pathlib, the "object-oriented way of dealing with paths".

Almost all developers around the world use a version controlling software for managing & sharing their codes. SVN has always been a good choice but now Git is in demand & people are shifting their focus more and more towards Git as their choice of version controlling system.

But what about the old SVN repositories, well we can also migrate old SVN repositories to Git by using a nice little open source application called ‘svn2git’.

Swap space is one of those things that everyone seems to have an idea about, and I am no exception. All my sysadmin friends have their opinions, and most distributions make recommendations too. Many years ago, the rule of thumb for the amount of swap space that should be allocated was 2X the amount of RAM installed in the computer. Of course that was when a typical computer's RAM was measured in KB or MB. So if a computer had 64KB of RAM, a swap partition of 128KB would be an optimum size. read more

2DayGeek: This tutorial allow an users to remove the empty lines in a file.

KDE Plasma widgets (also known as plasmoids) are a smart way of customizing the desktop. There’s an abundance of widgets available that act like building blocks, constructing a desktop that’s perfect for your needs and requirements. I’ve tried the vast majority of KDE Plasma widgets. In this article, I recommend 21 of them. There should be something for everyone. And there’s a few fun widgets along the way!

When the Parkman Branch of the Detroit Public Library was flooded with bored children taking up all the computers during summer break, the library saw it not as a problem, rather an opportunity. read more

Nagios is a popular open source monitoring software. It keeps an inventory of your entire IT infrastructure and ensures your networks, servers, applications, services, and processes are up and running. In case of failure of a critical infrastructure component, Nagios sends notification alerts.

The KDE Project finalized the release schedule of the next major series of their open-source software suite for GNU/Linux distributions, KDE Applications 19.04.

EFCO has launched a Linux-ready “EGL6087” gaming box based on an G-Series GX218 LX with dual HD displays, 72-pin JAMMA I/O, an LED light strip package, and a gaming security package. EFCO announced its first gaming logic box based on the quad-core, 2.0GHz AMD Embedded G-Series GX218 LX SoC. Designed for class 2 and 3 […]

There are hundreds of Linux distributions which serve a plethora of different purposes. When it comes to the average computer user they just need a browser, maybe word processor, email client, video editor and audio player and a way to play games. The operating system needs to be easy to install and easy to use. In this review I looked at Debian to see how well it suits this purpose.

Excel is perfectly OK for what it does, and millions of people happily use Excel every day. But when Excel data get exported for use in various other applications, sometimes Bad Things Happen.

Canonical released a new kernel update for Ubuntu 18.10 (Cosmic Cuttlefish) and Ubuntu 18.04.1 LTS (Bionic Beaver) systems to address a regression introduces by the last kernel security patch.

FFmpeg is a free and open source command line tool for transcoding multimedia files. It contains a set of shared audio and video libraries such as libavcodec, libavformat, and libavutil.

Part of using a Linux-based operating system is using the package manager of your Linux distribution to download and install new software. On CentOS/RHEL-based distributions for example, the EPEL repositories provide you with almost everything you need. And often when a pre-installed repository is unavailable, you can manually add it and the files will be downloaded securely after verifying it with a key.

However, sometimes you have no choice but to download the packages directly over the Internet. One example is the operating systems themselves. If you want to download a new distribution, you’ll have to get it from a website.