System & Network Admin

OTEL tracing can collect detailed data on request execution and provide visibility into the entire system. By catching performance issues early on, it can improve the user experience and reduce the risk of application failures.

iperf3 is a free open source, cross-platform command line based program for performing real time network throughput measurements between servers in Linux.

The Text Processing Commands are a set of built-in commands that are used to manipulate text. The commands allow users to quickly and efficiently search, modify, and extract data from text files.

PDF is one of the most popular file formats, mainly due to its unified standard across platforms and devices, compatibility, and small size.

Here's how to deploy an instance of the Bitwarden password manager server on your own server, using Docker.

A comprehensive comparison of API gateways, Kubernetes gateways, and service meshes with actionable insights.

Here are four areas — and their associated open source tools — where developers can better use Dockerfiles and images.

Gus inherited this nice Apple Extended Keyboard II, released in 1990. The keyboard connects using Apple Desktop Bus (ADB) instead of later USB models. Someone on eBay Australia had listed a “…

This open source tool makes it easier than ever to convert Markdown to web pages.

A quick methodology for overcoming common error messages with examples of commands to help — useful for both the administrator and developer alike.

Jupyter Notebook is most commonly used for data science, machine learning, and visualisation. It is an open-source web application that allows us to write and share code. Jupyter Notebook includes cells that allow us to run our program in sections, m...

Guix is a distribution of the GNU operating system. Guix is technology that respects the freedom of computer users. You are free to run the system for any purpose, study how it works, improve it, and share it with the whole world.

Learn how pwru provides end-to-end insight to find the networking culprit even when you don't know it exists...

DIY Kubernetes is hard. If you’re looking for a solution to help you scale your modern application platform, be sure to look for these features.

ValidKube combines the best open-source tools to help ensure Kubernetes YAML best practices, hygiene & security.

With the right query optimization techniques, organizations can extract valuable insights from their time-series data more efficiently and accurately. Here are some strategies and tips.

As you may know, GNOME 42 adopted Microsoft RDP protocol for its built-in remote desktop feature. Ubuntu 22.04 Beta previously excluded it because of the bug due to mixed Gnome-control-center and G…

This is an updated clone of the Recoll WEB UI from koniu@GitHub. Access your Recoll index from a browser.

Searching for files is relatively easy when you are using a GUI. But in certain environments like GUI-less servers, you need to search for files using the command line. There is a powerful command in Linux that helps you search for files and folders called find. In this article,

When you're using a search engine to find the closest coffee shop, you're probably not thinking about the technology behind it all. But later, you might wonder how did that search engine do that? How did it sort through the entire internet so quickly and choose the result you saw

Linux offers six different ways to search, and each has its merits. We’ll demonstrate how to use find, locate, which, whereis, whatis, and apropos. Each excels at different tasks; here’s how to choose the right tool for the job.

Learn how to perform some common text searching in Linux using the grep command-line utility

In this tutorial, we'll look at some specialized commands that can be used to search for strings in PDF files.