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Upset about what's happened with CentOS Linux? Here are your best alternative operating systems.
ASRock announces Tiger Lake based NUC, Mini-STX, and Mini-ITX boards
ASRock unveiled a line of 11th Gen Core powered industrial SBCs including barebones NUC 1100, STX-1500 (Mini-STX), and IMB-1224 (thin Mini-ITX), plus Windows-based NUC BOX 1100 and iBOX 1100 mini-PCs. ASRock typically preloads Win 10 on its embedded computers, including industrial focused models, but it usually sells its motherboards as barebones, without an OS. ASRock […]
Practice coding in Java by writing a game
My article about learning different programming languages lists five things you need to understand when starting a new language. An important part of learning a language, of course, is knowing what you intend to do with it.
I've found that simple games are both fun to write and useful in exploring a language's abilities. In this article, I demonstrate how to create a simple guessing game in Java.
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Try the e3 Linux text editor
What if you could have a tiny text editor with different modes to emulate your choice of Emacs, Vi, Pico, NEdit, and even WordStar? Amazingly, such an editor already exists, and it’s called e3. It has no library dependencies, and its binary is less than 20KB.
Installing
On Linux or BSD, you can install e3 from your distribution’s software repository or ports tree.
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How to Use Perf Performance Analysis Tool on Ubuntu 20.04
Perf is a simple but powerful performance monitoring tool for Linux based operating systems. It is used to trace or count both hardware and software events. In this tutorial, we will show you how to install and use Perf performance monitoring tool on Ubuntu 20.04.
Rocky has competition as more CentOS alternatives step into the ring: Project Lenix, Oracle Linux vie for attention
Big Red: This is not some gimmick so that you buy support from us
In the wake of Red Hat's decision to end support for CentOS Linux comes a raft of alternatives to fill the void, including Project Lenix - an offshoot of Cloud Linux - and Oracle's free Linux, which Big Red is heavily promoting.…
Set up an Ansible lab in 20 minutes
Being able to build and tear down a public cloud environment is very useful, but most of us don’t have easy access to a public cloud. The next best thing would be to have a lab on your local machine, but even running on a local machine brings performance, flexibility, and other challenges. Most of the time, the additional workloads on our local machines interfere with doing our daily job, and they certainly prevent having a readily available environment to play and experiment with new software.
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Ultra-compact Apollo Lake net appliance has mini-PCIe and M.2 too
Axiomtek’s “NA347” network appliance runs Linux or Win 10 on a dual-core Celeron N3350 with up to 8GB RAM, 3x GbE, 2x USB 3.0, HDMI, M.2 for SATA, and mini-PCIe and nano-SIM for wireless. Axiomtek has released an even smaller, 146 x 118.2 x 26mm variation on its quad-port, 146 x 118.2 x 33.5mm NA346 […]
Write in XML with the NetBeans text editor
I’ve spent a considerable amount of time in NetBeans, a Java IDE (integrated development environment) maintained by the Apache Foundation. I find it’s got a good mix of automated abstraction and manual configuration that helps me keep my Java projects organized and optimized. Not all IDEs give much thought to text files, but XML is frequently used in Java projects, so XML support in NetBeans is an important feature.
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How to Deploy a Multi-Tier Application with Kubernetes
A multi-tier application is an application distributed among more than one layer. It logically separates the operational layers. The number of layers varies with business and application requirements. In this article, we will see an application divided into 2 layers, backend and frontend layer.
Linux-driven router/gateway unleashes 5G NR
Advantech’s rugged “ICR-4453” 5G NR (New Radio) router runs Conel OS Linux on a Cortex-A72 SoC with 5x GbE ports, an SFP cage, 2x mini-PCIe, 2x SIM, and USB, serial, and CAN connections. Advantech has announced a Linux-driven router and gateway equipped with a 5G NR (New Radio) modem. 3GPP’s 5G NR spec is a […]
Ben Cotton: How Do You Fedora?
The latest interview in the "How do you Fedora Series", catches up with Fedora's very own Ben Cotton.
$199 kit clusters four Jetson Nano or NX modules
Seeed’s $199 “Jetson Mate” is a carrier board for clustering up to 5x Jetson Nano or Jetson Xavier NX modules with a 5-port GbE switch, 5x USB, 2x MIPI-CSI, HDMI, a case, and cooling fan. Ever since Nvidia’s low-cost, Linux-driven Jetson Nano module and Dev Kit arrived last year, developers have set up Nano clusters […]
What web developers love about the Brackets text editor
The Brackets text editor is an editor geared primarily at web developers. Appropriately, its Edit menu is full of functions especially useful to users of web programming languages, with a focus on the classic combination of HTML, CSS, and Javascript.
However, it supports many languages and formats relevant to the internet, including XML, Markdown, YAML and JSON, PHP, Lua, Java, and Python, as well as some common general languages like C, C++, and even the output of diff commands.
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Linus Torvalds launches Linux kernel 5.10 and warns devs not to send 5.11 code too close to Christmas
New long-term support edition of Linux knocks off year 2038 bug, ends support for Power PC 601, and much more
Linus Torvalds has released version 5.10 of the Linux kernel and given developers working on the project a pre-Christmas deadline to get their desired additions for 5.11 into his inbox.…
Power up your Linux terminal text editor with ed
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.
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Containerized OpenStack Clouds? Sure says Mirantis
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.
How to cope with virtual meeting fatigue
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.
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Gemini Lake based Hackboard 2 starts at $99 with Ubuntu
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 […]
Create a DevOps culture with open source principles
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.
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