Creating LVM Volumes in Linux
Logical Volume Management (LVM) is a feature in Linux that allows you to combine multiple physical disks into larger, flexible storage pools called Volume Groups. From these Volume Groups, you…
Managing services with systemctl in Linux
In this blog post, we cover all the essential systemctl commands you need to know in order to properly manage services in a Linux system.
How to reset the root password on RHEL 9
Resetting the root password of a RHEL virtual machine (VM) or physical server is a frequently encountered challenge. Fortunately, resetting the root password for a RHEL 9 machine is a straightforward process.
How to use AWK in Linux
AWK is a programming language in Unix-based systems that is used to process and manipulate text. You can perform operations such as searching, filtering, formatting, etc on an input file…
Must-Know Linux Terminal Navigation Shortcuts
In this blog post, we will discuss the top 10 most useful Linux terminal shortcuts that can help you save time and increase productivity.
Regular Expressions in Linux
Regular Expression is a set of characters that defines a search pattern in a text. Regular Expression is used in UNIX text processing utilities like AWK, sed, grep, and more.…
How to use grep command in Linux/macOS
Global Regular Expression Print (grep) is a UNIX utility that searches text files or standard input for lines that match a string (Regular Expression) and prints the result to standard…
How to reset forgotten root password on CentOS 7 / CentOS 8
In this short step by step tutorial, you will learn how to reset a forgotten root password for CentOS / RHEL 7 and 8 nodes.