If you're living life at your terminal emulator anyway, why not have a little fun while you're there?

Just because you prefer working in a text-mode interface doesn't mean you're not entitled to a little fun here and there.

Last December, I took some time out before the holidays to explore some of my favorite command-line diversions into a series for Opensource.com. It ended up being a bit of an advent calendar for terminal toys, and I got some great suggestions from readers.

The timeout script is a useful resource monitoring program for limiting time and memory consumption of processes in Linux. It allows you to run programs under control, and enforce time and memory limits, terminating the program upon violation of these parameters.

This article will give a brief introduction to SSMTP and steps to install it and use the same to send emails from Linux terminal.

The Topgrade utility will upgrade everything in Linux and Unix operating systems. It is free, open source and written using Rust.

OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, AFS, UPnP media server, DAAP media server, RSync, BitTorrent client and many more.

Elegant music player for LINUX .

The xargs utility allows you to build and execute commands from standard input. Xargs is usually used in combination with other commands through piping. In this tutorial, we'll cover the basics of using the xargs command.

In this article, we will share a list software for accessing a remote Linux desktop: the list starts off with VNC applications.

Etcher is an open-source and cross platform application, simplifies everything to do with creating bootable USB drives or even Micro SD Cards.

If you have a digital audio device that can connect your guitar to a PC, here is some software you can use to record, edit and process the signal.

Portable Document Format (PDF) is a file format created by Adobe Systems in 1993 for document exchange. The format includes a subset of the PostScript page description programming language, a font-embedding system, and a structural storage system.

If you are a Linux sysadmin, you tend to spend a lot of time on the command line. Over the years I have learned to do much of my work without ever touching the mouse. Also, if I open a browser it is just too easy to be distracted. Social media, news articles, and funny cat videos all are designed to suck you in, and it works. In this countdown we will explore 5 things you can do from the command line to keep you productive and break your dependence on the GUI.

• Check the Weather on the Command Line
• Do Calculations On The Command Line (calculator)
• The Command Line Dictionary
• Google Search From the Command Line
• Spell Check on the Command Line

Learn about 5 interesting Linux tools that will help break your dependence on the GUI and keep you productive on the command line.

The type of organizing tools you use to plan your projects can make your work routine more efficient and improve your productivity. A project management application is an essential tool in some business environments. This week's Linux Picks and Pans takes a deep dive into some of the best project management software solutions available for the Linux desktop.

Virtual Hard Disk (VHD) is a disk image file format which represents a virtual hard disk drive, capable of storing the complete contents of a physical hard drive.

A video registration of a presentation at the Linux Fest NW.

Pretty ironic and funny.

nnn is probably the fastest and most resource-sensitive file manager you have ever used. It integrates seamlessly with your DE and favourite GUI utilities, has a unique navigate-as-you-type mode with auto-select, disk usage analyzer mode, bookmarks, contexts, application launcher, familiar navigation shortcuts, subshell spawning and much more.

Integrate utilities like sxiv or fzy easily, or use it as a (neo)vim plugin; nnn supports as many scripts as you need!

Alpine Linux-based Docker images are small, but they can still bloat up quickly. If you're concerned about image size, search for alternatives, like Minideb.

When the Docker revolution started, one argument among many in favor of using containers instead of virtual machines was their size. Container images were supposed to be small.

However, several anti-patterns quickly emerged in the early days of Docker. First, most people wanted to treat containers just like VMs, hence they wanted an SSH server in them, they wanted to run multiple processes in them and they wanted their regular Linux distributions.

This quickly ballooned the size of Docker images that could be pulled from the Docker Hub. Official Ubuntu and CentOS images used to be above 600 MB. Once dependencies and application code got added, it was not rare to see several GB Docker images around.

For the longest time I did not know what everything meant in htop.

I thought that load average 1.0 on my two core machine means that the CPU usage is at 50%. That's not quite right. And also, why does it say 1.0?

I decided to look everything up and document it here.

They also say that the best way to learn something is to try to teach it.

Linux offers a number of tools for examining your running processes. With the applications shown below, you can find out which applications are eating all your memory and which files are attached to those rogue programs. Or you can just get a global view of how your system is performing.

Regardless of your specific level of interest, this tutorial will offer you a starting point on that journey.

• top
• iotop
• monit
• lsof
• ps_mem