A user can be a member of one primary and one or several secondary (supplementary) groups in Linux. The file '/etc/group' defines group membership for each user in the Linux system. In this tutorial, we will learn how to remove [...]
Install Python 3.7 on Ubuntu 18.04 LTS
Python is one of the most popular and on-demand general-purpose programming language. It is an interpreted, high-level programming language that supports multiple programming paradigms which includes procedural, object-oriented, and functional programming. It is often described as a "batteries included" language [...]
How to Install RPM on CentOS
Usually, a user installs packages using the yum command line utility. The official CentOS repositories contain thousands of RPM packages, but in some cases, you may come across an RPM file that is not in any repository. Some software authors [...]
Ubuntu Keyboard Shortcuts that Every User Should Know
Regardless of whatever Operating system you are using, keyboard shortcuts have come in handy and help in saving time and energy when launching applications or navigating to your desired window. Just like in Windows, there are Ubuntu hotkeys that you [...]
Wait Command in Linux with Examples
Wait is a shell command that waits for a given process to complete, then returns its exit status. Wait command is used to wait either particular process ID and job ID and return their termination status. When executing the big [...]
MySQL Create User Accounts and Grant Privileges
MySQL is arguably one of the leading and widely used opensource database management systems. It's the preferred relational database management system of choice in most web hosting companies and other cloud providers. In this tutorial, we will look at how [...]
How to Install PHP 7 on CentOS 7
PHP is a popular, free and opensource scripting language used mainly for web development. At the moment the current version of PHP (at the time of writing this tutorial) is PHP 7.3.14. However, CentOS 7 ships with PHP 5.4 by [...]
Top 48 Linux Interview Questions & Answers
Are you preparing for a Linux interview? We have prepared some of the commonly asked Linux interview questions and their answers. If you are a beginner (with some knowledge of Linux or having certification) or with professional Linux administration experience, [...]
How to Mount a Drive in Linux
Mount is a command used in Linux to attached filesystems and drives and umount command is used to detach (unmount) any attached file systems or devices. In this tutorial, we will learn how to mount (attach) a drive in Linux [...]
How to Delete a Directory in Linux
Earlier in one of the tutorials, we have explained how to create directory in Linux. Now let's check how to delete a directory in Linux which is either empty or having subdirectories with files. This is especially when you need [...]
How to Install JIRA on Ubuntu Linux
Developed by Atlassian, JIRA is a proprietary and comprehensive software tool mainly used for project management, issue tracking, and bug fixing. JIRA comes with an intuitive dashboard that helps you track issues. These issues could be software defects or bugs, [...]
How to Get Current Date and Time in Python
In this tutorial, you will learn the DateTime module supplies classes for manipulating dates and times in both simple and complex ways in Python 3.x. The datetime module contains datetime class, to get current date and time you will use [...]
How to Install Fonts on Ubuntu
In Ubuntu, you already have many fonts installed by default, but there might be a time you would want to install some additional fonts. Or maybe you want to install Microsoft fonts and Google web fonts for off-line use or [...]
MBR vs GPT - Things to Know When Partitioning (Screenshots)
With the evolution of technology, it exists now many ways to store and organize data. This brings along new devices with a large amount of storage capacity. To manipulate such a large amount of capacity, you will need to use [...]