Showing headlines posted by bob

In a previous article, I explained the process for setting up Cacti, which is a great program for graphing just about anything. One of the main things I graph is my internet usage. And, it's great information to have, until there is internet activity you can't explain.

MariaDB Galera is a multi-master cluster for MariaDB. In this tutorial, we will explain how to setup MariaDB Galera Cluster 10.1 with 3 nodes running on Ubuntu 16.04 server. We will also test database replication between all the nodes.

Mirantis's new Mirantis Cloud Platform's Container-as-a-Service functionality expands beyond private OpenStack clouds to run Kubernetes on the public Amazon Web Services cloud.

Next release promises nice offline features, Matlock before bedtime Microsoft has shed light on next year's preview of Office 2019, talking up the new productivity suite as a boon for those who may prefer to work outside of the cloud.…

Aaeon unveiled two fanless mini-PCs based on its Up Squared (Apollo Lake) and Up Core (Cherry Trail) SBCs, featuring up to 64GB eMMC. Following up on last December’s UP-GWS01 gateway mini-PC, which was based on Aaeon Europe’s original community-backed Up Board, Aaeon announced a similar “UPS-GWS01” model based on its Intel Apollo Lake-driven UP Squared (Up2) SBC.

One day at work, we were discussing the Go programming language in our work chatroom. At one point, I commented on a co-worker's slide, saying something along the lines of: "I think that's like stage three in the seven stages of becoming a Go programmer." read more

4.14 rc2 tarball trapped the unwary with missed patch Linus Torvalds is not noted as having the most even of tempers, but after a weekend spent scuba diving a glitch in the latest Linux kernel release candidate saw the Linux overlord merely label the mess "nasty".…

In this article, I'll explain how Redfish and Ansible can be used together to fully automate, at large scale, systems management tasks from one central location, significantly reducing complexity and helping improve the productivity of IT administrators. read more

Engines are important, both in cars and in browsers. That’s why we’re so revved up this morning – we’re releasing the Beta of a whole new Firefox, one that’s powered...

Everybody's a critic, but today, we're asking you to evaluate yourself. How sharp are your programming skills? In the world of open source programming, you'll readily find people of all different skill levels. In fact, that's one of the best parts about it—beginners can gain valuable experience, while more seasoned developers have the opportunity to give back in the form of not only code, but mentorship as well. In a healthy project community, having contributors who span a spectrum of ability levels isn't a bug, it's a feature. read more

Arduino launched two 67.6 x 25mm boards for wireless IoT nodes based on Atmel’s SAM D21 MCU: The MKR WAN 1300 offers LoRa, and the MKR GSM 1400 provides 3G. At the Maker Faire in New York this weekend, Arduino unveiled two new “MKR” IoT boards with the same 32-bit, Cortex-M0+ based Microchip/Atmel ATSAMD21 MCU used by last December’s MKRZero.

Shove this tool into your PC if it's getting stuck during startup. After enduring roughly two weeks of complaints, HP Inc has today produced a fix for folks struggling with blank screens on their computers.…

A Raspberry Pi HAT called the “8-channel ADC Board” provides a 10-bit ADC with 8x channels split into voltage divider and zero-ohm jumper configurations. Burgessworld Custom Electronics has gone to Tindie to sell an “8-Channel ADC Board” Raspberry Pi HAT for $17.

Since Boltron is out and the team is working hard on Fedora 27 modular server, we could start talking more about what it all means. One of the aspects our team is interested in is utilizing modules in container images.... Continue Reading →

SUSE, one of the oldest Linux and open-source businesses, celebrated its 25th birthday while setting its eyes on its future in the cloud and software-defined infrastructure.

Editor's note: this link opens with an auto-play video.

On a recent trip to Michigan, my friend Tim Sosa mentioned a blog post he read in which the author, Janelle Shane, describes how she built a neural network that generates color names from RGB values. I thought the idea was really neat, but I found the results underwhelming. read more

Sometimes, while working on the command line in Linux, you might want to quickly take a look at the total available as well as used memory in the system. If you're a Linux newbie, you'll be glad to know there exists a built-in command - dubbed free - that displays this kind of information. In this tutorial, we will discuss the basics of the free command as well as some of the important features it provides.

In my introduction to ImageMagick, I showed how to use the application's menus to edit and add effects to your images. In this follow-up, I'll show additional ways to use this open source image editor to view your images. read more

Packet radio is an amateur radio technology from the early 1980s that sends data between computers. Linux has natively supported the packet radio protocol, more formally known as AX.25, since 1993. Despite its age, amateur radio operators continue to use and develop packet radio today. A Linux packet station can be used for mail, chat, and TCP/IP. It also has some unique capabilities, such as tracking the positions of nearby stations or sending short messages via the International Space Station (ISS). read more

The world of open source databases is rapidly evolving. It seems like every day brings a new release of an open source technology that might make a database administrator's life easier, if only he or she knew about it.