Finding files is a very common task on any operating system. The Linux "find" and "locate" commands can both be used to search for files on the filesystem. This guide will cover how to use these two tools to craft spe...

Grep is a tool used to search for specified patterns within text input using regular expressions. Regular expressions are a system for describing complex text patterns. Regular expressions are a powerful tool that c...

This tutorial shows you how to configure system services to automatically restart after a crash or a server reboot. We cover the three most common init systems in this tutorial: System V, Upstart, and systemd.

Process management is an essential skill when using any computer system. This is especially true when administrating a server environment. This article will introduce some powerful tools that can be used to manage p...

Most modern Unix-like operating system, rely on a centralized package management system for finding and installing software. This guide serves as a quick reference for the fundamentals of finding, installing, and upgr...

In this second tutorial about starting Linux services automatically, we'll take a step back and explain init processes in more detail. You should gain a good understanding of how they control a daemon's start-up behav...

Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 18.04 server.

In recent years, Linux distributions have increasingly migrated away from other init systems to systemd. The systemd suite of tools provides a fast and flexible init model for managing an entire machine, from boot onw...

The sed stream editor is a non-interactive line editor that can perform powerful editing operations on text streams or files. Learning to use sed well will allow you to transform text with great speed and flexibility.

Awk is a programming language and utility included in all Linux distributions that can be used to manipulate and process text files in a fine-grained manner. In this guide, we will discuss the basics of how to use aw...

Iterate through the files in a directory and run commands against them using shell scripting loops.

The Go programming language comes with a rich toolchain that makes obtaining packages and building executables incredibly easy. One of Go's most powerful features is the ability to cross-build executables for any Go-s...

In this guide, we'll talk about how bash, the Linux system, and your terminal come together to offer process and job control. In a previous guide, we discussed how...

Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, you'll learn to add and delete users and assign sudo privileges on a Debian 8 server.

When you first create a new Debian 8 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give yo...

Advanced Package Tool, more commonly known as "APT", is a collection of tools used to install, update, remove, and otherwise manage software packages on Debian and its derivative operating systems, including Ubuntu an...

Accurate time keeping is critical for almost any service or software. Emails, loggers, event systems and schedulers, user authentication mechanisms, and services running on distributed platforms all need accurate time...

Download files from a remote server to your local system from the command-line using the curl command.

In this guide, we will discuss the basics of managing software packages with apt-get and apt-cache. The apt packaging tools provide a user-friendly interface to mange packages and their dependencies. A working knowl...

Accurate time keeping is critical for almost any service or software. Emails, loggers, event systems and schedulers, user authentication mechanisms, and services running on distributed platforms all need accurate time...