Showing headlines posted by savona

In this article we discuss using the uniq command to print or remove adjacent duplicated lines. We also discuss the different between uniq and sort -u, which are often compared as having the same functionality.

Easily create a restricted user to allow guest access to your system or to create a Linux based kiosk. The xguest package makes this a snap!

An in-depth look at the three commands that allow you to manipulate the directory stack. How to add, remove, view and clear the directory stack as well as some interesting uses.

How systemd path units work together with service units to monitor files and directories and trigger actions on changes.

Learn the basics of command substitution, the rules of using backslashes in command substitution, and how to work with nested command substitutions.

The Linux wc command it one of the many text utilities that come packaged with the GNU Core Utilities. It allows you to print a count of words, lines, characters, or even bytes in a file or standard input (STDIN). In this article we will show you the basics of using the wc command, and include some real world examples.

Can Photopea be a viable Photoshop alternative for Linux users? Let's take a brief look at this interesting web based tool.

We explore 3 examples of privacy and security focused Linux distributions. Each of these operating systems approach security in a different manner. We provide an overview of how each works and outline the some benefits of each.

Learn how to send traffic from a client machine port to a server port, or vice versa, through a secured SSH tunnel. We discuss local and remote forwarding, show examples and cover server configurations necessary to allows SSH forwarding.

The clipboard is an important OS feature that many take for granted. GPaste adds functionality to a utility that many cannot live without. After a couple weeks of use we decided to outline how install and use GPaste as well as explain it's many benefits and features.

In this article we discuss prime numbers, factorization, and how it is related to encryption. We also demo a fun little Linux utility called factor, which prints prime factors for an integer on the command line.

In this in-depth article we discuss the Linux du command. We touch on the differences between disk usage and file size, how to use the popular options, and offer plenty of real world examples.

As we continue our GNU Core Utilities series we come to the logname command. This simple utility has no options and takes no arguments. It does one thing, it prints the name of the current user. Great for use in bash scripts and other scenarios where a simple output is needed.

Using the fold command to wrap long lines of text makes it much easier text files on the command line. In this article we show you how to wrap at x number of characters or columns.

In this article we examine how to view, redo, undo and rollback system changes using the DNF history command.

We examine the pros and cons of tools that allow you to run an internet speed test from the Linux command line.

This introduction examines what /dev/null is, it's nicknames and how to use it for things like suppressing output, inputting EOF, and clearing files.

In this Linux quick tip we should you how to find which process is listening on a specific port. We use 4 different commands, each with it's own syntax and options.

While working on the Linux command line you interact with a lot of different files. Each of these files has attributes attached to them. These attributes contain details about the files size, permissions, modification time, and an assortment of other information. There are a multitude of reasons that you might need to the print the attributes of a file. This is where the Linux stat command comes in. In this article we will discuss how to use the stat command, using it’s options and formatting the output.

How to install, configure and use Cluster SSH to save time managing multiple servers. Whether you are a seasoned SysAdmin or budding DevOps engineer, cssh can increase your efficiency.