Install the at package if you need a utility for time-oriented job control. The batch command will execute commands when the system load levels drop to a specific point. The at tool allows you to specify that a command will run at a particular time. The at and batch ( at -b) commands read from standard input or a specified file. Learning path: Deploy a cluster in Red Hat OpenShift Service on AWS (ROSA).Get a Red Hat Learning Subscription trial.Learn about Red Hat Certified System Administrator (RHCSA) certification.Explore Red Hat training and certification options.Skip to bottom of list Skip to the bottom of list Nov 09 17:47:48 systemd: Started Job spooling tools. Loaded: loaded (/usr/lib/systemd/system/atd.service enabled vendor preset: enabled)Īctive: active (running) since Wed 17:47:48 -03 14min ago The package provides the atd daemon, which you'll interact with through the use of the at and atq commands: $ sudo systemctl status atd The at package installs other binaries that are used together with the main command: $ sudo dnf repoquery -l at | grep bin For Red Hat Enterprise Linux (RHEL)-based distributions: $ sudo dnf install at You can install it using your distribution's package manager if it's not installed. ![]() Let's get started! Install the 'at' utilityĭepending on your Linux distribution, the at utility may or may not be installed by default. This article aims to be as brief, straightforward, and practical as possible, meaning I won't be able to explore all available options for the at utility. My colleague Seth previously wrote a great article about at, so I recommend you check it out, as well as my article about the cron command, another Linux scheduling tool. In this article, I focus on a straightforward tool available on Linux operating systems to help achieve this goal: the at command. You can accomplish task scheduling in numerous ways. ![]() You can apply this concept in numerous scenarios, from scheduled backup tasks to collecting system logs periodically. To manage time, a skilled sysadmin must know when and how to control tasks so that they can be programmatically executed at certain times, whether recurring or a set number of times. Time is precious, making time management an appreciated virtue in every aspect of life, whether you're talking about financials, technology, or any other daily activity.
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