I use Oracle VirtualBox to test various Unix-like operating systems. Most of my VMs are headless servers that does not have graphical desktop environment. For a long time, I have been wondering how can we...
Finding disk space usage is no big deal in Unix-like operating systems. We have a built-in command named du that can be used to calculate and summarize the disk space usage in minutes. And, we...
Autotrash is a command line utility to automatically purge old trashed files. It will purge files that have been in the trash for more then a given number of days. You don’t need to empty...
When it comes to schedule tasks in Linux, which utility comes to your mind first? Yeah, you guessed it right. Cron! The cron utility helps you to schedule commands/tasks at specific time in Unix-like operating...
This brief guide describes how to switch between TTYs without function keys in Unix-like operating systems. Before going further, we will see what TTY is. As mentioned in an answer in AskUbuntu forum, the word...
We all know about GNU core utilities that comes pre-installed with all Unix-like operating systems. These are the basic file, shell and text manipulation utilities of the GNU operating system. The GNU core utilities contains the commands,...
If you’re using any latest Ubuntu server edition, you might have noticed some promotional links in welcome message which are not relevant to Ubuntu server platform. As you might already know MOTD, abbreviation of Message...
My 4-years-old niece is a curious-kid. She loves “Avatar” movie very much. When the Avatar movie is on, she became so focused and her eyes are glued to the screen. But the problem is she...
Sometimes, the most recent version of an installed package might not work as you expected. Your application may not compatible with the updated package and support only a specific old version of package. In such...
Are you a developer who often install and test applications on different SDKs? I’ve got a good news for you! Say hello to SDKMAN, a CLI tool that helps you to easily manage multiple software...
Since Linux and Mac OS X are *Nix based systems, many commands would work on both platforms. However, some commands may not available in on both platforms, for example pbcopy and pbpaste. These commands are...
In our previous guide, we discussed how to configure Apache virtual hosts in Ubuntu 18.04 LTS. Today, in this guide, we are going to learn to setup Nginx server blocks in Ubuntu 18.04. The Server...
