This brief tutorial explains how can we adjust monitor brightness from command line in Unix-like operating systems. Adjusting screen brightness in GUI mode is easy. We already have reviewed a Brightness Controller GUI app which...
Finding your Laptop battery status in GUI mode is easy. You could easily tell the battery level by hovering the mouse pointer over the battery indicator icon in the task bar. But, how about from...
I always backup the configuration files or any old files to somewhere in my hard disk before edit or modify them, so I can restore them from the backup if I accidentally did something wrong....
As we all know, the ping command is used to check if a target host is reachable or not. Using Ping command, we can send ICMP Echo request to our target host, and verify whether...
APT, short or Advanced Package Tool, is the default package manager for Debian-based systems. Using APT, we can install, update, upgrade and remove applications from the system. Lately, I have been facing a strange error. ...
Installing the same set of packages on multiple Ubuntu systems is time consuming and boring task. You don’t want to spend your time to install the same packages over and over on multiple systems. When...
In Unix-like systems, we use ‘cat’ command to print and concatenate files. Using cat command, we can print the contents of a file to the standard output, concatenate several files into the target file, and...
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,...
