Showing headlines posted by bob

Decades ago, people predicted that IBM and its mainframes would soon be history. But then IBM and Red Hat brought Linux to the mainframe and things would never be the same again.

The ability to access, connect, and manage multiple devices remotely through a single account is important. Going a step further, being able to completely update devices remotely is another way for sysadmins to reduce effort and minimize headaches.

In March 2020, rdiff-backup advanced to version 2, 11 years after the last major release. The deprecation of Python 2 at the beginning of 2020 was the impetus for this update, but it gave the development team the opportunity to incorporate other features and benefits.

In this article, we will see two examples to access data from configmaps in Kubernetes. In one example we will use config maps as environment variables in the pod command and in the other we will  populate a volume with data stored in a ConfigMap

Axiomtek’s Linux-ready “CEM130” COM Express Compact Type 6 module provides a Ryzen Embedded V1000 SoC with up to 32GB DDR4 and support for quad displays, 2x SATA, 7x PCIe, 9x USB, and -20 to 60°C operation. Axiomtek, which has previously tapped AMD’s Ryzen Embedded V1000 SoC in a 3.5-inch CAPA13R SBC and DSP600-211 signage player, […]

Variscite’s “VAR-SOM-MX8M-PLUS” and smaller “DART-MX8M-PLUS” modules run Linux or Android on NXP’s AI-enabled i.MX8M Plus with up to 4GB LPDDR4, 64GB eMMC, WiFi/BT, and optional dev kits. Variscite has launched some of the first embedded boards to support NXP’s i.MX8M Plus, an up to quad-core, Cortex-A53 SoC running at 1.8GHz and equipped with a 2.3-TOPs […]

Part of the system administrator's job is to analyze the performance of systems and to find and resolve problems that cause poor performance and long startup times. Sysadmins also need to check other aspects of systemd configuration and usage. read more

The Raspberry Pi is a small, versatile device that makes interfacing with the real world a breeze for mere mortals. The Raspberry Pi Foundation's idea was to sell the devices at such a low cost that breaking one would be sad—but not a disaster. This is one reason it has been a massive success as an educational tool. But their usefulness has not escaped the business world, where they are becoming a valuable tool for automating the physical world. read more

Apache Spark is an open-source framework and a general-purpose cluster computing system. Spark provides high-level APIs in Java, Scala, Python and R that supports general execution graphs.

Some things about the Ruby community have always impressed me. Two examples are the commitment to testing and the emphasis on making it easy to get started. The best example of both is Ruby Koans, where you learn Ruby by fixing tests. read more

Python has incredibly scalable options for exploring data. With Pandas or Dask, you can scale Jupyter up to big data. But what about small data? Personal data? Private data? JupyterLab and Jupyter Notebook provide a great environment to scrutinize my laptop-based life. read more

Avnet’s $72.50 “MaaxBoard Mini” SBC offers Linux and Android images to run on an i.MX8M Mini with 2GB DDR4, GbE, 4x USB 2.0, MIPI DSI- and -CSI, WiFi/BT, and 40-pin GPIO. A year ago, Avnet’s Embest unit launched a $60 MaaXBoard SBC featuring NXP’s i.MX8M. We missed the company’s July announcement of the promised, i.MX8M […]

One of the most important things to do well in a modern enterprise is to collect company knowledge. Organizations need shared workspaces where individuals and teams can collaborate and share their experience and knowledge. This makes knowledge-management systems essential in today's agile environments.

Puppet is a free and open-source administration automation engine for Linux, Unix and Windows operating systems. In this tutorial, we will explain how to install Puppet server and agent on Ubuntu 20.04 server.

'51 billion' active JVMs can't be wrong. Oracle on Tuesday marked the arrival of Java 15, known as Oracle JDK 15 among those concerned about formalities and trademarks, in the 25th year of the programming language's existence.…

This is a howto guide to use btrfs snapshots combined with the send/receive commands to setup an incremental backup routine on Fedora.

Plex is a powerful and feature-rich media streaming server that can be used to organize your video, music, and photo, and stream them to remote the remote devices from anywhere. In this tutorial, we will explain how to install Plex media server with Nginx as a reverse proxy on Ubuntu 20.04 server.

As part of my role as a principal communication strategist at an enterprise software company with an open source development model, I publish a regular update about open source community, market, and industry trends. Here are some of my and their favorite articles from that update.

Vecow’s rugged “ECX-2200/2100 Series” embedded computers run Linux or Win 10 on 10th Gen Comet-Lake-S CPUs with up to 64GB DDR4, 2x SATA, 2x or 6x GbE with optional PoE+, 3x M.2, and PCI or PCIe x16 slots. Vecow announced six embedded computers that follow its similarly 10th Gen Comet-Lake-S based ECX-2000 Series. The ECX-2200/2100 […]

SinoVoip’s Raspberry Pi-style “Banana Pi BPI-M5” SBC runs Android or Linux on a quad-core -A55 Amlogic S905X3 and offers 4GB LPDDR4, 16GB eMMC, 4x USB 3.0, GbE and HDMI, and 40-pin GPIO. SinoVoip has posted specs for an upcoming, yet to be priced Banana Pi BPI-M5 SBC with the same Amlogic S905X3 SoC and many […]