Automating tasks on Linux
Tutorial – Cron
Learn how to leverage cron for routine maintenance, backup automation, and critical system monitoring to enhance operational reliability.
In the world of Linux and Unix-like systems, automation is key to efficiency. Whether it's running backups, updating system packages, or executing custom scripts, cron is the go-to tool for scheduling and automating repetitive tasks. This time-tested utility has been a fundamental part of Unix-based operating systems for decades, providing users with a simple yet powerful way to manage scheduled jobs.
Despite its simplicity, cron is often underutilized or misunderstood. Many users struggle with writing proper cron expressions or debugging jobs that don't execute as expected. In this article, I will explore how cron works, its syntax, and practical use cases to help you master task automation on Linux. Whether you're a beginner looking to schedule your first job or an advanced user aiming to fine-tune your automation workflow, this guide will provide you with the knowledge to make the most of cron.
Installation and Setup
On Ubuntu, cron is usually installed by default, but in some cases, it may need to be installed manually. To check if it is already available on your system, open a terminal and run the command
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Linux Now Runs Most Windows Games
The latest data shows that nearly 90 percent of Windows games can be played on Linux.
-
Fedora 43 Has Finally Landed
The Fedora Linux developers have announced their latest release, Fedora 43.
-
KDE Unleashes Plasma 6.5
The Plasma 6.5 desktop environment is now available with new features, improvements, and the usual bug fixes.
-
Xubuntu Site Possibly Hacked
It appears that the Xubuntu site was hacked and briefly served up a malicious ZIP file from its download page.
-
LMDE 7 Now Available
Linux Mint Debian Edition, version 7, has been officially released and is based on upstream Debian.
-
Linux Kernel 6.16 Reaches EOL
Linux kernel 6.16 has reached its end of life, which means you'll need to upgrade to the next stable release, Linux kernel 6.17.
-
Amazon Ditches Android for a Linux-Based OS
Amazon has migrated from Android to the Linux-based Vega OS for its Fire TV.
-
Cairo Dock 3.6 Now Available for More Compositors
If you're a fan of third-party desktop docks, then the latest release of Cairo Dock with Wayland support is for you.
-
System76 Unleashes Pop!_OS 24.04 Beta
System76's first beta of Pop!_OS 24.04 is an impressive feat.
-
Linux Kernel 6.17 is Available
Linus Torvalds has announced that the latest kernel has been released with plenty of core improvements and even more hardware support.