Undo a commit & redo git reset –hard <commit_id> “Move” your HEAD back to the desired commit. Alternatively, to edit the previous commit or just its commit message, use git commit –amend. This will add the changes from the current index to the previous commit. To eliminate (not undo) a commit that has been pushed … Read more
Introduction A .tar.gz file is a commonly used compressed archive format in Linux environments. It combines multiple files and directories into a single file, reducing their overall size. This format utilizes tar for archiving and gzip for compression. Knowing how to unzip a .tar.gz file is essential as it allows users to efficiently extract and … Read more
Introduction Vim (Vi IMproved) is a versatile and open-source text editor designed for Unix and Linux systems. Renowned for its power and stability, Vim excels in text editing and writing, whether you’re using the command-line interface or a graphical user interface (GUI). Begin your journey with Vim by mastering the essential save and exit commands. … Read more
Introduction A deb package (.deb file) is a software package format designed for Debian-based distributions, identified by the .deb extension. These packages facilitate the installation of local software on an Ubuntu system. This article outlines multiple methods for installing and removing deb packages on Ubuntu. Prerequisites Install deb Files Using GUI Installing deb files via … Read more
Introduction ZIP is the most popular archive file format for compressing files and directories. Compressing files into an archive format helps conserve space and network bandwidth. While the tape archive (tar) format is more common on Linux systems, ZIP is also widely used due to its popularity. Linux offers the zip command for compressing files … Read more
Introduction Removing a directory in Linux is straightforward with the GUI. However, if the GUI isn’t available, you can also delete directories using terminal commands. This tutorial will guide you on how to remove a directory in Linux using terminal or command line commands. Prerequisites How to Delete a Directory in Linux? Removing Directories with … Read more
Introduction Python is a popular programming language widely used for automation and various types of scripting. Python 3, the latest version, offers performance improvements, new features, security patches, and enhanced compatibility with libraries and tools. In this tutorial, you will learn how to install Python 3 on Ubuntu 20.04 or Ubuntu 22.04. Prerequisites: Check if … Read more
Introduction SCP (Secure Copy Protocol) is a network protocol used to securely copy files and folders between Linux (Unix) systems on a network. It utilizes the scp command line utility, which is a more secure alternative to the traditional cp (copy) command. SCP ensures the protection of your data during transfer by encrypting both the … Read more
Introduction If a Linux process becomes unresponsive or consumes excessive resources, you may need to terminate it. While most processes have their own methods for shutting down, they can sometimes malfunction, necessitating the use of a command to manually kill them. This guide will demonstrate how to terminate a Linux process using the command line. … Read more
Introduction The PATH environment variable in Linux tells the system which directories to search for executable files. By using the PATH variable, users can run commands without needing to specify their full paths. This article will guide you on how to add a directory to the PATH, both temporarily and permanently, as well as how … Read more