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Author: Karim Buzdar

Commenting Out/Uncommenting a Line in Ubuntu Configuration File

Comment or uncomment line in config file

Linux, like all operating systems, keeps initial/default settings and configuration parameters for its programs in the form of configuration files. These files are used to configure software applications, server processes and OS settings for your system. As Linux administrators, you

Karim Buzdar August 27, 2018 Shell, Ubuntu Read more

3 Ways to Find PC’s Hostname Using Linux Terminal

Get Linux hostname

Just as Internet Protocol address or IP address gives an identification to your device, similarly, the hostname is another parameter through which you can recognize your device. It is a string of human understandable characters. Unlike IP address, hostname of

Karim Buzdar August 24, 2018 Linux, Shell, Ubuntu Read more

How to Make Password Asterisks Visible in Ubuntu Terminal

Make password asterisks visible in Ubuntu

Whenever you are asked to type a password in Ubuntu terminal, you insert your password without getting any visual display or a feedback from the screen. In such a situation, there are the chances that you may mess up with

Karim Buzdar August 23, 2018 Shell, Ubuntu Read more

Some Common Ubuntu Display Managers and How to Switch Between Them

Ubuntu LightDM Display Manager

The best thing about an open source operating system, such as Linux, is that you can customize it as much as you want, ranging from default applications such as file managers, music players, web browsers, and text editors etc. to

Karim Buzdar April 6, 2022 Ubuntu Read more

How to Make Your Ubuntu PC a Wireless Access Point

Ubuntu Wi-Fi Hotspot

With the release of Ubuntu’s latest operating system, Ubuntu 18.04 LTS, creating a hotspot is easier than ever before. With a wifi hotspot, you can let other wireless devices such as smartphones and televisions etc. make use of your computer’s

Karim Buzdar August 21, 2018 Ubuntu Read more

Copying and Pasting Text onto the Linux Terminal

Copy and paste text to Linux terminal

While working with the Terminal, we sometimes require copying a long command, file name or text from the web, a tutorial, or simply from some text file. You might have observed that the simple pasting control, Ctrl+V does not work

Karim Buzdar August 16, 2018 Shell, Ubuntu Read more

How to Use htop to Monitor System Processes in Ubuntu 18.04

Monitor processes in Ubuntu with htop command

Most of the people are familiar with the use of Task Manager in Windows. It is a feature that is mainly used to view the currently running processes. Similarly, Ubuntu also provides us with a utility to monitor the system

Karim Buzdar August 16, 2018 Shell, Ubuntu Read more

How to Create a Dummy Zombie Process in Ubuntu 18.04 LTS

Create dummy zombie process in Ubuntu

As software testers, we sometimes need to know how a zombie process looks like on our system. We can run various tests on it if we know specifically which program and process ID is associated with that zombie process. What

Karim Buzdar August 15, 2018 Shell, Ubuntu Read more

[SOLVED] “dpkg: error: need an action option”

When you are trying to install Google Chrome on Ubuntu, you may receive the following error: Error Message “dpkg: error: need an action option” Solution This may be because of the command you copied from somewhere and you pasted on

Karim Buzdar August 15, 2018 Ubuntu Read more

How to Install Google Chrome on Ubuntu 18.04 LTS

Install Google Chrome on Ubuntu

Google Chrome happens to be one of the most powerful web browsers these days and naturally many users attempt to install it on their system. This attempt, however, is not fruitful as this popular web browser is not available through

Karim Buzdar August 15, 2018 Ubuntu Read more
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