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SELinux may seem complex at first, but with the right cheat sheet it can become a powerful ally for sysadmins. This guide is designed to help you to improve your skills managing and using Security-Enhanced Linux. Also check out my more in-depth article, A sysadmin's guide to SELinux: 42 answers to the big questions. Download the free SELinux cheat sheet. read more

NFS clients and servers push file traffic over clear-text connections in the default configuration, which is incompatible with sensitive data. TLS can wrap this traffic, finally bringing protocol security. Before you use your cloud provider's NFS tools, review all of your NFS usage and secure it where necessary.

GetSimple CMS is a free, open source, simple and easy to use web Content Management System that can be used to create blogs and websites. In this tutorial, we will explain how to install GetSimple CMS on Ubuntu 18.04 server.

Few people know that they can convert their filesystems from one type to another without losing data, i.e. non-destructively. It may sound like magic, but Fstransform can convert an ext2, ext3, ext4, jfs, reiserfs or xfs partition to another type from the list in almost any combination. More importantly, it does so in-place, without formatting […]

Day 2 of Akademy started with a wonderfully insightful keynote by Claudia Garad, the Executive Director of Wikimedia Austria.

Trying to find out what's running on your machine—and which process is using up all your memory and making things slllooowwww—is a task served well by the utility top. top is an extremely useful program that acts similar to Windows Task Manager or MacOS's Activity Monitor. Running top on your *nix machine will show you a live, running view of the process running on your system. read more

We've only seen the beginning of what artificial intelligence can do for information security.

Lydia Pintscher, President of KDE e.V. opens this year's Akademy. Akademy 2018 got off to a wet start with rains accompanying all attendees pouring into Vienna for KDE's largest annual community conference.

prior to the 2016 elections, attackers had been trying to hack the election process “for decades”, and while it was very difficult to manipulate an election, those running elections are not the most resourced, so the challenge had to be on how to help them ensure their security and use best practices for when they deal with old technology and software.

Bash is a shell and command language. It is distributed widely as the default login shell for most Linux distributions. We've rounded up some of the most popular Bash-related articles for your weekend reading.

Everyone wants to improve their experience at work. Whether that takes the form of increasing efficiency, reducing confusion and anxiety about what needs to be done, feeling like your ideas and feedback are heard and respected, or simply knowing that the projects you work on are making an impact, there are seemingly endless ideas about how the nature of work can be improved for employees and employers alike. Within the world of software, agile practices have been among the most talked about ways of improving processes. But are they all that they're cracked up to be? read more

News briefs for August 10, 2018.

With all the collaboration technology available for offices today, there's no reason telecommuters can't be as productive and as connected as other team members.

Aetina announced a Linux-driven, 87 x 70mm “ACE-N310” carrier board for Nvidia’s Jetson TX1/TX2/TX2i modules with up to 12x MIPI-CSI-2 lanes and 6x optional cameras, as well HDMI, USB 3.0, and GbE ports and -40 to 85°C support.

Elementary OS has been my distribution of choice for some time now. I find it a perfect blend of usability, elegance, and stability. Out of the box, Elementary doesn’t include a lot of apps, but it does offer plenty of style and all the apps you could want are an AppCenter away.

In this tutorial, we will show you step-by-step how to install and configure Matrix Synapse on Ubuntu 18.04 LTS. Matrix is a new ecosystem for decentralized communication in real time for open federated instant messaging and VoIP services.

Google’s recent announcement that it had ported its open source TensorFlow machine intelligence (ML) library for neural networking to the Raspberry Pi was the latest in a series of chess moves from Google and its chief AI rival Nvidia to win the hearts and keyboards of embedded Linux developers.

Feeling creative? There are a multitude of applications available for Fedora to aid your creativity. From digital painting, vectors, to pixel art there is something for everyone to get creative this weekend. This article highlights a selection of the applications available for Fedora for creating awesome images. Vector graphics: Inkscape Inkscape is a well known […]

The bash shell is one of the most widely used login shells in Linux. But there exist other shells as well, and you can use them for your command line work (until of course there's a specific requirement for your work). In this article, we will discuss a tool - dubbed chsh - that lets you switch to a login shell different from your current shell.

A couple of years ago, I returned home from a 15-day trip in the middle of a heat wave, and my apartment was way too hot—at least 45ºC (113ºF) inside. Needless to say, it wasn't the most comfortable way to come home, especially since it took several hours for my in-wall air conditioning (AC) units to cool the apartment. read more