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A properly configured firewall is one of the most important aspects of the overall system security.

Yum is default package manager for RPM based Linux distributions like RHEL, CentOS & is used to managing packages for the system. We can install, remove or update packages using the yum command. But can we rollback an update that has been installed on the system ?

Let us show you how to install MySQL on your CentOS 7 server. MySQL is a relational database management system that functions through the use of a query system. Created in 1995, it’s an open-source project that is currently developed by Oracle, and has existed since 1995.

To be able to choose the theme Qt applications are using on your Linux system, tweak some settings, and have an overall better integration with Gnome / Gtk, you can give Kvantum a try. This is a SVG-based theme engine for both Qt4 and Qt5, KDE and LXQt. Using it, you'll not only be able to theme Qt4 and Qt5 software to match your current Gtk theme almost entirely (as long as your current Gtk theme has a Kvantum theme available), but also configure some Qt theme-related settings.

The BlackArch Linux ethical hacking and penetration testing operating system based on Arch Linux received an updated install media six months after the previous ISO release.

The GDPR is breaking advertising apart. . Never mind the specifics of the regulation. Just look at the effects. Among those, two are obvious and everywhere: 1) opt-back-in emails and 2) "consent walls" in front of websites. Both of those misdirect attention away from how an entire branch of advertising ignored a simple moral principle that has long applied in the offline world: tracking people without their knowledge, approval or a court order is just flat-out wrong.

Atari quickly jumped to $2 million in funding for its Ubuntu-based “Atari VCS” console. Aimed primarily at retro games, the $199 and up device has an AMD A1 CPU and an optional joystick and controller. Attempts to establish Linux as a gaming platform have failed time and time again, with Valve’s SteamOS being the latest high-profile casualty.

As I described in my last article, when I'm using a Linux-based computer to listen to music, I pass that music through a dedicated digital-analog converter, or DAC.

Many people today are using assistant software in their homes and offices to help with everyday tasks. There are many different models to purchase, but did you know you can build your own? Amazon Developer allows you to use the Alexa software to create your own Amazon Echo with Raspberry Pi.

A while ago, I cobbled together Photo Funnel, a simple tool for importing photos and RAW files from storage cards to a Linux machine. Although it wasn’t meant to replace digiKam, I ended up using it as my primary import tool for two reasons: speed and simplicity.

A colleague recently told me about one of his favorite utilities, PDFtk. Among other things, it lets you merge, split, and burst PDF documents, with or without encryption. You can learn more about it in this Opensource.com article.

Boxes is the GNOME application for running virtual machines. Recently Boxes added a new feature that makes it easier to run different Linux distributions. You can now automatically install these distros in Boxes, as well as operating systems like FreeBSD and FreeDOS. The list even includes Red Hat Enterprise Linux.

Fragmentation has been a big problem for IoT since the beginning. Companies were doing their own workarounds, there were no standardizations, and there was no collaborative platform that everyone could work on together. Various open source projects are working to solve this problem...

When rooting your Android device, tools like Magisk allow you to easily gain complete control over your Android device without the need for complicated hacks.

There are many GUI tools available to compare files & folders to check for any changes or dissimilarities, but it does not mean that one can’t perform comparison or diff using CLI on a...

When it comes to sending personal information over the Internet, whether it is account information, credentials, contact information, location information or anything else that may be abused, the public is, to a large extent, purely paranoid to hackers and identity thieves.

The following article will describe a Minecraft server configuration procedure on Ubuntu 18.04 Bionic Beaver Linux. As you will see later, it is possible to run multiple instances of the Minecraft server on a single host. From this reason we will create a separate directory for each instance under the /opt/minecraft directory.

Red Hat's strategic planning isn't like yours, but with 64 straight quarters of revenue growth and continuing on course to become the first billion-dollar-a-quarter open-source company, the Linux and cloud power is clearly on to something.

Linux Lite developer Jerry Bezencon announced today the release and general availability of the final Linux Lite 4.0 operating system series based on Canonical's Ubuntu 18.04 LTS operating system.

News briefs for May 31, 2018.