Create a photo collage from the Linux command line
ImageMagick is the “Swiss Army knife” of manipulating images on the command line. While you could use a desktop graphics program like GIMP or GLIMPSE to adjust or combine photos and graphics, sometimes it’s just easier to use one of the almost dozen tools from ImageMagick. For example, I frequently find myself creating image montages to share on social media. Let’s say I wanted to share a montage or...
Monitor your Linux server with Checkmk
Monitoring IT assets is an essential task for any IT department. Still, due to the growing number of devices in corporate networks, it is getting more and more challenging to find an approach that is flexible enough to monitor the wide range of available systems properly. It’s essential to have a monitoring tool that is flexible, scalable, and easy to use. read more Powered by...
Print files from your Linux terminal
Printing on Linux is easy, but sometimes it feels like a lot of work to launch an application, open a file, find the Print selection in the menu, click a confirmation button, and so on. When you’re a Linux terminal user, you often want to perform complex actions with simple triggers. Printing is complex, and there’s little as simple as the lpr command. Print using the lpr command To print a file from your terminal, use the...
4 Linux technologies fundamental to containers
In previous articles, I have written about container images and runtimes. In this article, I look at how containers are made possible by a foundation of some special Linux technologies, including namespaces and control groups. read more Powered by...
Get started programming with DOS conio
One of the reasons so many DOS applications sported a text user interface (or TUI) is because it was so easy to do. The standard way to control console input and output (conio) was with the conio library for many C programmers. This is a de-facto standard library on DOS, which gained popularity as implemented by Borland’s proprietary C compiler as conio.h. read more Powered by...