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In Linux, if you want to print a file's content on stdout, the first command that comes to mind is cat. However, there may be times when the requirement is to remove certain part of the file and print only the rest of the content. You'll be glad to know there exists a tool - dubbed cut - that lets you do this.

Only thing left now is a Supreme Court bid Over eight years of feuding between Oracle and Google over the use of Java code in Android may be nearing its end following a Tuesday court ruling.…

Nexcom’s compact, IP67 protected “VTC 1911-IPK Telematics IoT Gateway” runs on a Bay Trail Atom and offers CAN 2.0B, dual mini-PCIe and SIM slots, GPS, 2x GbE, SATA, and more. It’s resistant to shock, vibration, humidity, and -40 to 70°C temperatures. With flooding and sea-level rise on the rise due to climate change, there will […]

What's the practical risk with 3D-printed firearms today? In this opinion piece, Kyle explores the current state of the art.

In a complex IT environment, even the smallest tasks can seem to take forever. Sprawling systems are hard to develop, deploy, and maintain. Business demands only increase complexity, and IT teams struggle with management, availability, and cost. How do you address this complexity and while meeting today's business demands? There is no doubt that Ansible can improve your current processes, migrate applications for better optimization, and provide a single language for DevOps practices across your organization. read more

Teach Mutt yet another trick: how to filter messages in your Inbox with a simple macro.

Wave the the CPU trust flag if you're feeling safe enough Linux v4.19-rc1, release candidate code published on Sunday, allows those building their own kernel or Linux distribution to choose whether or not to trust the CPU hardware random number generator, a decision that has become complicated in the wake of the revelations about government surveillance over the past five years.…

Linux command-line aliases are great for helping you work more efficiently. Better still, some are included by default in your installed Linux distro. This is an example of a command-line alias in Fedora 27: read more

VIDEO: A new open-source license addendum, Commons Clause, has lawyers, developers, businesses, and open-source supporters fighting with each other.

In this new series, we'll focus on DevOps monitoring and observability tools. Over the next few weeks, we’ll explore metrics aggregation and monitoring, log aggregation, alerting and visualizations, and distributed tracing. Alternatively, you can download the entire open source guide to DevOps monitoring tools now. Let’s get started. read more

Ibase launched an “SI-324” signage PC that runs Ubuntu or Windows on a Ryzen Embedded V1000 SoC with up to 32GB DDR4, 4x 4K HDMI 2.0, 2x GbE, 2x USB 3.0, mini-PC and M.2 expansion, and remote EDID management. Ibase’s rugged SI-324 was announced in brief back in February as one of the first products […]

News briefs for August 27, 2018.

MCC has launched a stackable “MCC 118” voltage measurement DAQ HAT for the Raspberry Pi with eight ±10 V inputs and sample rates up to 100 kS/s. Norton, Mass. Based Measurement Computing Corp. (MCC) has released a $99 measurement DAQ HAT for the Raspberry Pi that is optimized for single point and waveform voltage.

This tutorial shows the steps to install Seafile into a website on an ISPConfig 3 server. The server that is used for this setup uses Ubuntu 18.04, but the steps outlined in this guide should work similarly on other OS.

The term "containers" is heavily overused. Also, depending on the context, it can mean different things to different people. Traditional Linux containers are really just ordinary processes on a Linux system. These groups of processes are isolated from other groups of processes using resource constraints (control groups [cgroups]), Linux security constraints (Unix permissions, capabilities, SELinux, AppArmor, seccomp, etc.), and namespaces (PID, network, mount, etc.)

VIDEO: Linux has run on mainframes for decades. Now IBM and partners are enabling users to access z/OS using a new open-source framework, Zowe.

The tmux utility, a terminal multiplexer, lets you treat your terminal as a multi-paned window into your system. You can arrange the configuration, run different processes in each, and generally make better use of your screen. We introduced some readers to this powerful tool in this earlier article. Here are some tips that will help […]

Part I of this Deep Dive on containers introduces the idea of kernel control groups, or cgroups, and the way you can isolate, limit and monitor selected userspace applications. Here, I dive a bit deeper and focus on the next step of process isolation—that is, through containers, and more specifically, the Linux Containers (LXC) framework.

Hubzilla is a free and open source platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common web server technology. In this tutorial, I will explain how to install Hubzilla on Ubuntu 18.04 server.

There are plenty of great Raspberry Pi fan sites, tutorials, repositories, YouTube channels, and other resources on the web. Here are my top 10 favorite Raspberry Pi blogs, in no particular order.