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The GNU ed command is a line editor. It’s considered the standard Unix text editor because it was the very first text editor for Unix, and so it was (and generally still is) available on any POSIX system. In some ways, it’s easy to tell that it was the first because, in many ways, it’s extremely rudimentary. Unlike most other text editors, it doesn’t open in a window or screen of its own, and in fact, by default, it doesn’t even prompt the user for input. On the other hand, its near lack of any interface can also be a strength. read more

We usually think about containers running on clouds, but there's no reason -- except it's hard -- to run clouds on containers. Now, Mirantis is making it easy to run OpenStack on Kubernetes-managed containers.

TUXEDO Computers announced today the TUXEDO Book XP14 Linux laptop as the company’s smallest and lightest gaming notebook, but also ideal for office work on the go.

Throughout much of 2020, virtual meetings have been a major part of our lives. This is new for many of us—while we may have participated in webinars or other virtual meetings on occasion, we have never relied on our webcams for doing our day-to-day work. read more

A “Hackboard 2” SBC has launched on Crowd Supply with Ubuntu ($99) or Win 10 Pro ($140) running on a dual-core Gemini Lake CPU with 4GB DDR4, 64GB eMMC, 3x USB, HDMI, 40-pin RPi GPIO, and 2x M.2 for NVM and 4G/5G. The Hackboard 2 is billed by Austin, Texas based startup Hackboard as “a […]

Learn how to use Docker Compose to deploy and run multi-container applications

As this article goes online, DevOps teams are rounding the bend of eight months of remote work. Some teams were remote by design. Other teams had remote work forced on them. Now is an excellent time to take a refresher on what it means to be a high performing DevOps team that just works remotely. Remember that people come before tools for a remote DevOps team. Here’s how you keep your people operating and feeling refreshed during these times. read more

DHCP (Dynamic host configuration protocol) used to assign an IP address automatically to Mobile, Laptop, PC, and other network devices so they can communicate. In this tutorial, we will learn how to install and configure DHCP Server on Centos8. So, let’s get started.

AWS S3 Storage Lens gives visibility into object storage usage, activity trends. It gives recommendations to improve cost-efficiency, also it applies data protection best practices. It is the first analytics service that provides a  single view of object storage usage and activity across hundreds and thousands of accounts in an organization.

Single board computer? It’s time for Single board servers. A new product, ZimaBoard, is being prepared for its crowdfunding campaign to give you a “hackable single board server”.

2DayGeek: This quick article shows you how to list and remove a repository gpg key in Ubuntu.

Gromit-MPX (GRaphics Over Miscellaneous Things) is a utility to make annotations on the desktop. It’s a multi-pointer port of the original Gromit annotation tool, and uses the Multi-Pointer X.org feature.

There’s always room in my Activities menu for a utilitarian text editor. Of course, the exact meaning of "utilitarian" is different for each user, but for me, it means a text editor with all the features I need and not much else. So far, FeatherPad has proven in many ways to fit these requirements. read more

This guide explains how to migrate CentOS Linux to Oracle Linux using centos2ol script.

Red Hat is transforming CentOS into a DevOps-friendly, leading-edge rolling release. Many people liked it just the way it was. Now, CentOS's founder is working on giving them what they want.

Most programming languages have certain things in common, such as: Variables Expressions Statements These concepts are the basis of most programming languages. Once you understand them, you can start figuring the rest out. Programming languages usually share some similarities. Once you know one programming language, you can learn the basics of another by recognizing its differences. read more

Slack is a modern communication platform for companies to replace emails. In this guide we will learn how to install Slack under Ubuntu 20.04. Slack can be easily installed on your system by following a few basic steps. Here we will use the snap package to install Slack, but you can also use the deb package, as both will help you achieve your goal.

The creator of CentOS started planning for a new Linux Distribution called Rocky Linux. It is going to be a true replacement for CentOS and will be enterprise-ready.

Use both Cirrus CLI and Podman to better manage and secure container environments for rootless builds.

Symlinks are essential for linking files and directories but can easily break without notice. Here's how to find broken symlinks in Linux.