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PostgreSQL is a powerful and feature-rich relational database management system (RDBMS). This tutorial shows you how to set up streaming replication with replication slots on two Debian 10 nodes.

Acrosser’s “ACM-XD15MT” COM Express Basic Type 7 module runs Linux 4.9 on an octa-core, 2.6GHz Xeon D-1548 and offers up to 32GB DDR4, 32x PCIe lanes, dual SATA III interfaces, and support for GbE and dual 10GbE ports. Acrosser announced its first COM Express Type 7 module. The 125 x 95mm Basic Type 7 form-factor […]

GNU/Linux developer Arne Exton released a new version of his Raspbian PIXEL fork for PC and Mac with a whole new system base and up-to-date components.

The story of my first mistake goes back to the beginning of my learn-to-code journey. I taught myself the basics through online resources. I was working through tutorials and projects, making progress but also looking for the next way to level up. Pretty quickly, I came across a blog post that told me the best way for beginners just like me to take their coding skills to the next level was to contribute to open source.

As a system administrator, you may be asked to manage disks between different operating systems such as Windows, Linux and MacOS. As a consequence, you may have to format your disk partitions accordingly in order for them to be compatible across multiple environments. What filesystems should you use?

Red Hat officially released today the first point release to its latest Red Hat Enterprise Linux 8 operating system series, Red Hat Enterprise Linux 8.1, which brings updated components, enhanced security, and new developer tools.

Google announced today that its Linux-based Chrome OS operating system for Chromebooks now finally supports virtual workspaces with the latest release.

Given the recent surge in popularity of open source data science projects like pandas, NumPy, and Matplotlib, it’s probably no surprise that the increased level of interest is generating user complaints about documentation. To help shed light on what’s at stake, we talked to someone who knows a lot about the subject: Thomas Caswell, the lead developer of Matplotlib. read more

Here's a quick Apache administration rundown for when you get thrown an Apache server to suddenly maintain at work.

sudo is a command-line utility that allows trusted users to run commands as another user, by default root.

"Open" isn't just a way we can build software. It's an attitude we can adopt toward anything we do. And when we adopt it, we can move mountains. read more

Curious about how SSH establishes secure communication between two systems? We're here to help!

Doppler is a zero configuration remote monitoring tool for Linux systems. Doppler is lightweight tool and it doesn't require any additional configuration.

Previously, I put a lot of blame on impostor syndrome for delaying my first open source contribution. But there was another factor that I can’t ignore: I can’t make a decision to save my life. And with millions of open source projects to choose from, choosing one to contribute to is overwhelming. read more

This tutorial allows you to discover the top memory consumption processes on Linux.

This tutorial shows how to install OpenVas, an open-source vulnerability scanner for Linux, and then run your first vulnerability scan.

Linux has become a go-to operating system for much larger platforms, such as servers, supercomputers, and cloud computing, as well as the small, handy devices we keep on our persons at all times; smartphones.

There are loads of Linux books on the market today, covering a wide range of skill levels, many of which may not suit your unique situation. We’ve comprised this years top 10 best Linux books, sorted from beginner to expert...

In mid-October, System76 made an exciting announcement for open source hardware fans: It would soon begin shipping two of its laptop models, Galago Pro and Darter Pro, with the open source BIOS coreboot. read more

Plasma is the desktop environment for people who want modern looking, customizable, and want new features every now and then.

What training and certification opportunities should you seek as a Linux system administrator? Which ones should you look for if you want to hire a Linux system administrator? There are answers.