Holhol24 - Linux Howtos, Tutorials & Guides

In this tutorial, we will provide the ultimate guide on understanding UFW logs, an essential part of network security for system administrators. UFW (Uncomplicated Firewall) is a popular firewall for Linux users due to its user-friendliness…

In this tutorial, we will guide you on how to install NumPy on Rocky Linux 9. NumPy is a widely-used Python library for scientific computing that supports large multidimensional arrays and matrices. This library is vital for data analysis,…

Are you a new Linux user trying to familiarize yourself with the system? Or are you a system administrator who wants to manage users on your Linux server? Anyway, being able to list users on a Linux system is a basic task. Whether you…

In this tutorial, we will show you how to install LibreOffice on Linux Mint 21. For those of you who didn't know, LibreOffice is a great open source alternative to Microsoft Office and offers similar functionality to…

In this tutorial, we will show you how to install MyPaint on Ubuntu 22.04 LTS. For those of you who didn't know, MyPaint is a free, open source graphics program designed specifically for digital painting and drawing. It offers a…

JSON (JavaScript Object Notation) is a format used for exchanging data between web applications. On the other hand, the JSON schema is a standard that defines the structure and content of a JSON document, which includes expected properties,…

ifconfig is a command line utility that you can use to get the details of the network interface of your system. Most of the time ifconfig command is already installed on the Linux system but somehow you get an error that the command or file…

shred is a Linux command line utility that enables users to erase a disk and file from the terminal. It overwrites the data in the file or a whole disk with random bits and removes it securely from the system. This command makes it harder…

bc is a command line tool that allows users to perform mathematical operations the same as they do on a calculator. The users can do operations like addition, multiplication, division and more right on the terminal. The tool is preinstalled…

If the process in the Linux system becomes unresponsive and takes too long to respond you might need to kill it. When an application fails to close on your Linux system it keeps using the processing power and the memory. In Linux, you can…