System & Network Admin

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.

How could I search the contents of PDF files in a directory/subdirectory? I am looking for some command line tools. It seems that grep can't search PDF files.

Here's how to use open source tools to run your next virtual event.

Pinggy is the simplest way to bring your localhost projects online. It the the fastest way to create secure tunnels to localhost with a public url.

Pi-Hole is a lightweight DNS sinkhole that can block internet ads and malicious domains. Learn how to install and use it in Linux.

If you are new to Linux or have used it for a few months, then you must have heard or read statements such as “In Linux, everything is a File”.

Is there a way to search PDF files using grep, without converting to text first in Ubuntu?

Smallest full text search engine (lucene replacement) built from scratch using inverted MGRB bitmap index, highly compact storage, operating in database and document modes

SearXNG is a powerful meta-search engine that you can self-host on your machine. Learn how to create an instance of SearXNG in Linux.

Learn about step-ca and where to begin

Learn about step-ca

Need to use the command line in Unix but don’t know where to start? Read this Unix commands cheat sheet and pick up the commands you need without delay.

The set of plugins streamlines and automates workflows and provisioning of developer resources for internal developer platforms.

Discover how to use GNU Privacy Guard (GPG) to communicate with security triage teams as a security researcher.