SysAdmin

RPM is a low-level command utility tool used for installing, removing, upgrading, and verifying RPM packages on Linux-based distributions. Learn how to use the command through easy-to-follow examples.

This article offers two slick methods to rename a column in a MySQL table. Use ALTER TABLE command combined with the RENAME COLUMN clause for a swift resolution. The CHANGE clause offers more options and allows you to micromanage the renaming process.

The file permission feature specifies how much power each user has over a given file or directory. This tutorial explains how to read and change Linux file or directory permissions.

NumPy (Numerical Python) is an open-source library for the Python programming language. It is used for scientific computing and working with arrays. This tutorial outlines how to install NumPy using PIP, Conda, or from source.

This tutorial shows how to display disk usage from a command line in Linux. It is important to know how much disk space you have used up, as well as how free disk space you have left, when managing your system.

This tutorial provides an overview of different ways you can update Git on Linux, Windows, and macOS systems.

Renaming directories is one of the most basic tasks for a Linux system administrator. This tutorial shows you how to rename directories using the terminal window.

This article explains how to increase the upload_max_filesize directive and fix the PHP error preventing you from uploading large files to your WordPress website.

USB formatting is done for several reasons, such as deleting data or changing the file system. In this tutorial you will learn how to format a USB drive, wipe it, or recover data from a formatted drive.

Maven is an open-source project management tool for developing Java applications. Learn how to install Maven on Ubuntu in this tutorial.