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In an age where hacker attacks are a daily occurrence, it is of fundamental importance to minimize the attack surface. Containerization is probably the best way to isolate a service provided for the public, but this is not always possible for several reasons. For example, think of a legacy system application developed on systemd. This could make the most of the capabilities provided by a systemd-based operative system and it could be managed via a systemd unit, or it could automatically pull updates using a systemd timer, and so on. For this reason, we are going to explain how to improve the security of a systemd service.

Massive ransomware attacks to the left of us, supply chain attacks to the right of us, but the Linux Foundation is answering the president's call for greater software security.

Memcached is an open-source and high-performance memory caching system. It stores data in memory and is being used for optimizing dynamic websites. In this guide, I will explain how to install Memcached on CentOS 8 operating system.

You can perform operations on SQS like list, create, delete Queues and send messages, receive messages from your terminal using aws-cli. In this article, we will see the commands to perform these kinds of operations.

This article describes the extension of the Fedora 32 user count mechanism to rpm-ostree based systems. It also provides tips for opting out, if necessary. How Fedora counts users Since the release of Fedora 32, a new mechanism has been in place to better count the number of Fedora users while respecting their privacy. This […]

Nginx is a free, open-source and one of the most popular webserver around the world. It can also be used as a reverse proxy, load balancer and HTTP cache. In this tutorial, I will show you how to set up a highly available Nginx web server with KeepAlived on CentOS 8.

This the third article in a series about features that first appeared in a version of Python 3.x. Some of those Python versions have been out for a while. For example, Python 3.2 was first released in 2011, yet some of the cool and useful features introduced in it are still underused. Here are three of them.

In my introduction to Autotools, I demonstrated how to manage building and packaging code with GNU Autotools. It's a robust and common platform that integrates easily into many packaging systems, including RPM, APT, pkgsrc, and more. Its syntax and structure can be confusing, but luckily there are alternatives, including the open source CMake framework.

Learn more about PipeWire—Fedora Linux's new default audio and video daemon—in this interview with it's creator Wim Taymans.

Forecr’s compact, $905 “DSBox-NX2” edge AI system integrates the Jetson Xavier NX version of its $242 “DSBoard-NX2” carrier board, which also supports the Nano and TX2 NX. Features include 8GB LPDDR4, 16GB eMMC, GbE, HDMI, 2x USB, CAN, and 3x M.2. Ankara, Turkey based Forecr has begun shipping a DSBox-NX2 embedded computer that runs Ubuntu […]

WebAssembly, or Wasm for brevity, is a standardized binary format that allows software written in any language to run without customizations on any platform, inside sandboxes or runtimes – that is virtual machines – at near native speed. Since those runtimes are isolated from their host environment, a WebAssembly System Interface (WASI) […]

Learn how to use Ansible to manage and configure Podman containers.

This is the second in a series of articles about features that first appeared in a version of Python 3.x. Python 3.1 was first released in 2009, and even though it has been out for a long time, many of the features it introduced are underused and pretty cool. Here are three of them.

Linux containers have greatly simplified software distribution. The ability to package an application with everything it needs to run has helped increase stability and reproducibility of environments.

Also: Why Rust in Android will use the Soong build system, not Cargo. The Rust 2021 Edition Working Group has scheduled the new version for release in October, with what it says are small changes that amount to a significant improvement.…

In Linux circles, eBPF has evolved into a powerful tool for running sandboxed userspace programs inside the kernel. Now, Microsoft is working on porting eBPF to Windows as well.

Gateworks has launched a “Venice GW7200” SBC that runs Ubuntu on an i.MX8M Mini with up to 4GB RAM and 64GB eMMC. Highlights include 2x GbE with PoE, 2x mini-PCIe, MIPI DSI/CSI, and -40 to 85°C support. Last year when Gateworks announced its 105 x 100mm GW7300 SBC based on NXP’s i.MX8M Mini, the company […]

Sfera Labs has launched a $276 “Exo Sense Pi” multi-sensor computer based on an RPi CM4 with sensors for air quality, temp, humidity, light, and motion plus RS-485, an open collector output, 2x digital inputs, a mic, and an RTC. In 2019, Sfera Labs launched an Exo Sense Py environmental monitoring system that runs MicroPython […]

Linux users generally need a lot of virtual visual space. One terminal window is never enough, so terminals have tabs. One desktop is too constraining, so there are virtual desktops. And sure, application windows can stack, but how much better is it when they tile? Heck, even the back-end text console has F1 to F7 available for flipping back and forth between tasks. read more

This is the first in a series of articles about features that first appeared in a version of Python 3.x. Python 3.0 was first released in 2008, and even though it has been out for a while, many of the features it introduced are underused and pretty cool. Here are three you should know about. read more