How does at command scheduling differ between distributions?

The at command is a utility for scheduling tasks to be run once at a specified time. However, its usage and configuration can vary between different Linux distributions. Understanding these differences is essential for efficient task scheduling.

Differences in at Command Scheduling Between Distributions

While the basic functionality of the at command remains consistent, distributions may differ in terms of:

  • Defaults: Some distributions may have atd (the daemon responsible for running scheduled jobs) enabled by default, while others require manual activation.
  • Permission Management: The permissions for using the at command are often managed via the /etc/at.allow and /etc/at.deny files, with differences in how they are set up across distributions.
  • Configuration Files: Configuration file locations and defaults may vary, influencing how jobs are logged or executed.

Example Usage

Below is an example of how to schedule a task using the at command:

echo "echo Hello World" | at now + 1 minute

at command scheduling tasks Linux distributions task scheduling atd cron jobs

Related Questions

How do I avoid rehashing overhead with std::set in multithreaded code?

How do I find elements with custom comparators with std::set for embedded targets?

How do I erase elements while iterating with std::set for embedded targets?

How do I provide stable iteration order with std::unordered_map for large datasets?

How do I reserve capacity ahead of time with std::unordered_map for large datasets?

How do I erase elements while iterating with std::unordered_map in multithreaded code?

How do I provide stable iteration order with std::map for embedded targets?

How do I provide stable iteration order with std::map in multithreaded code?

How do I avoid rehashing overhead with std::map in performance-sensitive code?

How do I merge two containers efficiently with std::map for embedded targets?