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holhol24

I am a Linux server pro admin and enthusiast, an upcoming web developer, junior php developer.

I am currently a content creator for Holhol24, I love to play with Linux and all other distributions of it.

I loves working with computers and strongly believes in sharing knowledge. Follow me For more insight into what is happening in Tech.

How to execute multiple curl requests in parallel

holhol24

Suppose you want to run multiple curl requests concurrently for whatever reason, say 10 requests at the same time. How would you go about it? In this tutorial, we demonstrate how you can execute multiple curly requests concurrently. Run…

How to Set Hostname Using Hostnamectl Command?

holhol24

The hostname is an identity of the system and is used by the networks to search the system. The “hostnamectl” is a Linux command that is used to set the hostname in the terminal without even opening and editing in the etc/hostname file of…

How to Install and Setup Apache Spark on Ubuntu/Debian

holhol24

Apache Spark is an open-source distributed computational framework that is created to provide faster computational results. It is an in-memory computational engine, meaning the data will be processed in memory. Spark supports various APIs…

How to remove a directory in Linux

holhol24

Performing CRUD Operations in Linux are daily routine tasks like creating, reading, updating, and deleting a file or directory. This post will walk through a detailed guide on how to remove a directory in Linux from the terminal. Removing…

How to Wait For a Specific Process to Complete In Linux

holhol24

If you are operating in a shell script of Linux and want to have the script’s desired outcome, it gets obligatory for you to use the wait command in your script. The wait command is implemented as a built-in command in most Linux…

Linux hdparm Command Tutorial

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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

holhol24

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

holhol24

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

holhol24

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

holhol24

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…

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