SysAdmin

The gawk command is a powerful text-processing and data-manipulating tool. Read this guide to learn how to use gawk.

Git stash is a way of storing unfinished work locally, without having to commit the changes. This tutorial shows how to create and use Git stash.

PowerDNS is a flexible open source DNS server. This guide outlines the setup of PowerDNS with a MariaDB backend, the PowerDNS Admin web interface and how to link the API.

The egrep command searches for patterns or regular expressions in files and directories. Read this tutorial to master the egrep command.

This guide shows an overview of basic functions to perform with Git tags. See how to create, delete, push, replace, or checkout a Git tag.

Linux provides two commands to add users to the system: useradd and adduser. Learn about the difference between these two commands and when to use which.

The comm command allows you to compare two files line by line. Read this tutorial to learn how to use the comm command.

This tutorial shows how to create a Git tag for the latest commit in the repository, and for a specific commit in the Git project history.

This tutorial shows how to clone a specific Git tag from a remote repository, and address the detached HEAD state.

Git tags highlight specific points in a project development history. Listing tags allows you to quickly find a specific commit or project version. This tutorial shows how to list local and remote Git tags.