Showing headlines posted by bob

With Docker restricting how quickly users can pull down images from its Docker Hub for free, Amazon Web Services is finally creating its own repository of public container images. But there's a bigger problem here for all container and cloud users.

JavaScript is a popular programming language that started out as a single-threaded, synchronous language, meaning that one step runs after another step without waiting to fetch any external resources or perform any lengthy calculation or process. If the script requires such a resource or calculation, this synchronous behavior results in an error. This blocks all other processes in the queue from running whether or not they were dependent on the step that produced the error.

Intel’s 10th Gen CPUs recently showed up on several new systems including a v2 respin of Purism’s Librem Mini mini-PC, Sintrones’ EBOX-7010 upgrade of its earlier 9th Gen EBOX-7000 AI box, and Portwell’s 2.5GbE enabled WADE-8212 Mini-ITX SBC. Just as we wondering whether Intel’s 14nm 10th Gen Comet Lake-S processors were going to be a […]

I was introduced to open source by my husband, a long-term Unix/Linux user. When he encouraged me to attend the Triangle Linux Users Group (TriLUG), a local meetup in the Raleigh, NC, area, I was quite intimidated, as I was one of a handful of women in attendance. But the more I learned about open source, the more intrigued I became.

Infineon’s “Optiga Trust-M eval kit” is a Pi add-on for evaluating the ZigBee Alliance’s Connected Home over IP home automation standard. The eval kit is built around a Trust-M Shield2Go board equipped with the EAL6+-compliant Trust-M security chip. Infineon Technologies, which is primarily known in these pages for its widely used Optiga TPM security chips, […]

Git's git config command (hereafter referred to as "config") enables you to set repository or global options for Git. It has many options, and one of them, includeIf, is handy when you have dual roles using Git, for example, working full time as a developer and contributing to open source projects in your spare time.

Advantech’s “ROM-5780” and Engicam’s “SmarCore RK3399” SMARC 2.1 modules run Linux or Android on a Rockchip RK3399 with 2GB RAM, 16GB eMMC, and optional carrier boards. Yesterday while researching Kontron’s fA3399 SMARC module, we were unable to find any other Rockchip RK3399-based SMARCs on LinuxGizmos so we cast the Inter-net and found two more. Advantech’s […]

Kontron unveiled a -20 to 85°C tolerant, full-size SMARC form-factor “fA3399” module that runs Linux on a RK3399K with up to 8GB LPDDR4 and 128GB eMMC plus support for 2x GbE and 3x PCIe. Today Kontron announced its first product based on the Rockchip RK3399. The Linux-powered fA3399 adopts the rarely used 82 x 80mm […]

A how-to guide on using LVM to resize your Ext4 filesystem in order to get more storage space.

I play a lot of Dungeons and Dragons (D&D), a tabletop role-playing game in which players take control of mythic heroes to explore imaginary dungeons and fight make-believe dragons. D&D players often like to draw maps on big sheets of butcher's paper, or buy and craft evocative set pieces, so that they can track their progress through the realms with gaming miniatures.

DokuWiki is a free, open-source and most versatile wiki application written in PHP. It is simple and light-weight that uses a simple file format to store its data, so it does not require any database. In this tutorial, we will show you how to install DokuWiki with Apache and Letsencrypt SSL certificate on Ubuntu 20.04.

As this chart from GitHub's State of the Octoverse report shows, JavaScript has consistently been most popular programming language based on the number of contributors to projects on GitHub.

Filesystems, like file cabinets or drawers, control how your operating system stores data. They also hold metadata like filetypes, what is attached to data, and who has access to that data. Quite honestly, not enough people consider which file system to use for their computers.

The Jupyter project offers interactive ways to write software with technology like JupyterLab and Jupyter Notebook. This software is commonly used for data analysis, but what you might not know (and the Jupyter community didn't expect) is how many things you can do with it. Here are my top five unexpected and creative ways to use Jupyter. read more

Do you want to make sure your webcam and microphone are off? Dell's adding code into Linux to support its hardware privacy controls.

Flutter is a popular open source toolkit for building cross-platform apps. In "Create a mobile app with Flutter," I demonstrated how to install Flutter on Linux and create your first app. In this article, I'll show you how to add a list of items in your app, with each item opening a new screen. This is a common design method for mobile apps, so you've probably seen it before, but here's a screenshot to help you visualize it: read more

This strange time has given us, on one hand, the chance to slow down, yet on the other, it's busier than ever. Especially if you have others in your life to care for in addition to yourself. But you can't give from an empty cup, so, this list of evening rituals is focused on what you can do for yourself right after you turn the computer off, shut the laptop, or say goodbye to the last virtual meeting of the day. read more

AWS CloudWatch is a monitoring service provided by the AWS cloud. AWS provides default monitoring for server parameters like CPU Utilization, Network In, Network Out and many more. This tutorial shows how to send the application or server logs to AWS CloudWatch.

ICOP’s Linux-ready, 2.4W “VEX2-6415” SBC features DM&P’s x86-based dual-core Vortex86EX2, which enables two OSes to run at once. The SBC offers dual LAN ports, dual mini-PCIe interfaces with SIM, and -40 to 85°C support. Taiwan-based ICOP, which primarily manufactures embedded boards and systems based on x86 CPUs from its sister company DM&P Group, has announced […]

Fail2Ban is a log parsing utility that scans log files of various processes and bans IP addresses that make too many password failures. This tutorial shows the installation and configuration of Fail2Ban on CentOS 8 and Fedora 33.