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Bash shell scripting data redirection with stdout and stdin

OpenNMS is a free and open-source Open Network Management System written in Java. It is a network monitoring application that gathers critical information from local and network hosts using the SNPM protocol.

It's almost Halloween, one of my favorite days and party times. This year, I decided to (pumpkin) spice up some of my decorations with automated motion sensing. This spooktacular article shows you how I made them, step by step, from building and wiring to coding. This is not your average weekend project—it takes a lot of supplies and building time. But it's a fun way to play around with Raspberry Pi and get in the spirit of this haunting holiday.

Long awaited KDE Connect is now available for iPhone (iOS >= 15). Here are the details.

Microsoft Dynamics 365 is a product line of enterprise resource planning and customer relationship management intelligent business applications. What are the best open source alternatives?

I am a current graduate student at the University of Minnesota, Twin Cities in the Scientific and Technical Communication MS program. The following is an interview I conducted with Jim Hall to learn about international professional communication strategies in the multinational group, the FreeDOS Project.

The terminal is like a virtual second home for many Linux users since they spend most of their working time typing commands in it. It's important to personalize the terminal to your heart's desire if you don't want to bore yourself with the dull, black command-line screen.

There's a big data table with lots of fields and lots of records. Each record has one or more unique identifier field entries. How to check for records that are exactly the same, apart from those unique identifiers? I've been tinkering with this problem for years, and I described a fairly clumsy method in a 2020 blog post. Here I present a much-improved command-line solution.

Security is becoming an increasingly key piece of the open source puzzle amid industry-wide pushes to shift left and integrate security during early stages of application development. The Linux Foundation’s Open Source Security Foundation (OpenSSF) is one example of how the open source community is working to improve software security through an ecosystem approach, vying for proactive handling of security by default.

NVIDIA released today the NVIDIA 495.44 proprietary graphics driver for GNU/Linux, FreeBSD, and Solaris systems with various new features and improvements.

There are several service mesh products and projects today, promising simplified connectivity between application microservices, while at the same time offering additional capabilities like secured connections, observability, and traffic management. But as we’ve seen repeatedly over the last few years, the excitement about service mesh has been tempered by practical concerns about additional complexity and overhead. Let’s explore how eBPF allows us to streamline the service mesh, making the service mesh data plane more efficient and easier to deploy.

The blog "Anticipating Your Memory Needs" discussed the memoptimizer daemon which monitors the rate of consumption and reclamation of memory pages of different orders on a system. Using this information, memoptimizer builds a mathematical model of memory usage trend on the system and uses this model to anticipate potential upcoming memory shortage. This allows it to take actions ahead of time to force reclamation/compaction of memory pages before memory shortage happens.

Maintaining a non-trivial set of GStreamer patches can be tricky. Thanks to the recent move to a single, unified git repo, you can now easily run a GStreamer continuous integration pipeline on your own GitLab instance. Here's how.

Megaquarium: Architect's Collection is the next expansion for the great aquarium building game from developer Twice Circled and it's ready to release on November 11.

People frequently inquire about the best ways to learn Linux. I’ve already done extensive research on the subject and written three articles on how to learn Linux online. Candidates that are serious about learning Linux can get started immediately by joining online communities or purchasing video courses. Books, on the other hand, have always been the best source of in-depth knowledge on any topic, including learning Linux.

The KDE Project announced today the general availability of KDE Plasma 5.23.2 as the second point release to the latest and greatest KDE Plasma 5.23 desktop environment series.

If you are looking for a GUI solution that allows you to create OpenVPN users, their certificates, and routes in convenient to use UI, we have good news for you. OVPN-Admin gives you all that and more.

Serverless functions are driving the fast adoption of DevOps development and deployment practices today. Knative on Kubernetes is one of the most popular serverless platforms to adopt serverless function architectures successfully. But developers must understand how serverless capabilities are specified using a combination of Kubernetes APIs, Knative resources, and function-oriented programming.

Planning to get the Python 3.10 installed for your work? Here's how to install Python 3.10 in Ubuntu and related distributions.

Rust is a programming language with three key design tenets: safety, concurrency, and practicality. In this article, we will learn how to install Rust on an AlmaLinux 8 system. This tutorial includes detailed instructions along with screenshots of the steps in the process.