Monthly Archives

April 2021

Linux hdparm Command Tutorial

In Linux-type systems, the “hdparm” command tool is used to provide the interface for kernel-supported devices. It is to display the drive disk statistics and set hardware parameters and testing performance. This utility allows the user to…

How to remove blank lines in a file in Linux

Blank lines are not always desirable, and you might feel the need to leave them out and only remain with the lines that contain text. Linux offers a couple of text manipulation expressions that you can use to omit or remove blank lines.…

How to shut down your Linux system

Linux comes with different utilities that allow the device to be rebooted, stopped, or turned off by a system administrator. To run commands, one must be a root or group member. The “shutdown” is employed to shut down and restart our…

How to Run Linux “getent” Command

In the Linux operating system, tons of command-line tools are used to get user’s details from a database. So, here’s one of the commands, which is called “getent”. The “getent” is a short form of “get entries from the administrative…

How to Work with Linux Expr command

The “expr” is a Linux command-line utility that evaluates and displays the output of an expression. It calculates integer and string expressions, including regular expressions that fit patterns. It stops the invoking command-line shell…

How to Run ‘groups’ command in Linux

In Linux, there is user and groups; users use the system, and groups are logical frameworks for managing a set of users. Users can be categorized into various groups, while groups are a set of multiple users. It isn’t easy to manage the…

How to Install NTP Using Chrony in Linux

Keeping accurate date and time on a Linux system is essential because many services such as cron jobs and scripts rely on accurate time to function as expected. The Network Time Protocol, abbreviated as NTP, is a protocol that maintains…

How to Use Linux lscpu Command Tutorial

The beauty of Linux-like systems is that it provides multiple command-line tools for a single operation. Whether you want to download software/packages or fetch any information from hardware/disk drives of the system, you will get several…

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