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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.

An Amazon Machine Image (AMI) provides the information required to launch an instance. An EC2 instance can not be launched without an AMI. We can create as many instances as we want from a single AMI when we need multiple instances with the same configuration. To create an instance we can use readily available AMI or we can create our own AMI.

RabbitMQ is a free, open-source and one of the most popular message broker software. It supports multiple messaging protocols and uses plugins to communicate with popular messaging solutions like MQTT.

The first iteration of former President Donald Trump's Truth Social site appears to have broken the AGPLv3 open source license.

Open source has touched a lot of scientific disciplines, but one area where it is missing is soil science. Until recently, you could only find it in educational materials. A team from the Université de Lorraine, INRAE in France, and Western University in Canada bring open source to the soil science community. read more

Ad-free now but not forever. The Brave browser will now default to the company's own search engine, claimed to preserve privacy, while a new Web Discovery Project aims to collect search data again with privacy protection.…

EcmaScript 6 modules will not stop growing use of Node, claims chair of Technical Steering Committee. Node.js 17 is out, loaded with OpenSSL 3 and other new features, but it is not intended for use in production – and the promotion for Node.js 16 to an LTS release, expected soon, may be more important to most developers.…

One of the best ways to keep your data secure is by only writing data to an encrypted hard drive. On a standard drive, it's possible to view data just by mounting the drive as if it were a thumb drive, and it's even possible to display and recover even deleted data with tools like Scalpel and Testdisk.

Academics advised to consider excluding certain terminology for the sake of inclusivity. A working group in the School of Informatics at the University of Edinburgh in Scotland has proposed a series of steps to "decolonize" the Informatics curriculum, which includes trying "to avoid using predominantly Western names such as Alice/Bob (as is common in the computer security literature)."…

The Cockpit is a free and open-source server management application sponsored by Red Hat. In this post, we will show you how to install and use Cockpit on Debian 11.

Even the best programmers can create programming bugs. Depending on what your program does, these bugs could introduce security vulnerabilities, cause the program to crash, or create unexpected behavior. The C programming language sometimes gets a bad reputation because it is not memory safe like more recent programming languages, including Rust. But with a little extra code, you can avoid the most common and most serious C programming bugs.

MongoDB is an open-source, general-purpose, document-based, and distributed database designed for modern application developers. In this post, we will show you how to install and secure MongoDB on Debian 11.

Writers not only work with words, they often have to work with images. Technical writing involves presenting a lot of screenshots to convey the technology and processes. Different publishing platforms may have various requirements for images, such as image format or file size.

The Java Development Kit (JDK) is the name of the software development kit (SDK) for the Java programming language, which enables anyone to create both Java applications and applets for running on many operating systems. This tutorials shows how to install Java JDK on Debian 11.

Redis is a free, open-source, cross-platform NoSQL, and in-memory Key-value data structure store, used as a database server, cache, and message broker. In this tutorial, I will explain how to install the Redis server on Debian 11.

Logs are great for finding out what an application is doing or troubleshooting a possible problem. Almost every application we deal with generates logs, and we want the applications we develop ourselves to generate them too. The more verbose the logs, the more information we have. But left to themselves, logs can grow to an unmanageable size, and they can, in turn, become a problem of their own. So it's a good idea to keep them trimmed down, keep the ones we're going to need, and archive the rest. read more

Amazon Elastic File System(EFS) provides an NFS file system for use with AWS Cloud services and on-premises resources which is simple, scalable, fully managed. We can mount this file system either on AWS Cloud or our on-premises servers. In this article, we will focus on creating a simple EFS filesystem and mount it on an Ubuntu EC2 instance.

Rsyslog is a free and open-source logging software that forwards all log files to the centralized log server through the IP network. In this post, we will show you how to set up the Rsyslog server on Debian 11.

Drivers slip into the kernel as team ponders GPU hardware. Efforts to bring Linux to Apple Silicon have resulted in a basic functional desktop, according to the Asahi Linux team.…