At Command in Linux
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At Command in Linux
We hope this post helped you to find out At Command in Linux
at
is a command-line utility that permits you to schedule instructions to be executed at a selected time. Jobs created with at
are executed solely as soon as.
On this article, we’ll clarify find out how to use at
and its companion utilities batch
, atq
, atrm
to view, delete, and create jobs to be executed at a later time.
installing in at
#
Relying on the distribution, at
might or might not be current in your Linux system.
If at
will not be put in, you may simply set up it utilizing the bundle supervisor of your distribution.
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Install at
on Ubuntu and Debian
sudo apt update
sudo apt install at
Install at
on CentOS and Fedora
sudo yum install at
As soon as this system is put in ensure that atd
, the scheduling daemon is working and set to start out on boot:
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sudo systemctl enable --now atd
How you can Use the at
Command
The simplified syntax for the at
command is as follows:
The at
command takes the date and time (runtime
) if you need to execute the job as a command-line parameter, and the command to be executed from the usual enter.
Let’s create a job that might be executed at 9:00 am:
at 09:00
When you hit Enter
, you’ll be offered with the at
command immediate that almost all typically begins with at>
. You additionally see a warning that tells you the shell wherein the command will run:
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warning: commands will be executed using /bin/sh
at>
Enter one or more command you want to execute:
tar -xf /home/linuxize/file.tar.gz
When you’re done entering the commands, press Ctrl-D
to exit the prompt and save the job:
at> <EOT>
job 4 at Tue May 5 09:00:00 2020
The command will show the job quantity and the execution time and date.
There are additionally different methods to go the command you need to run, in addition to coming into the command within the at
immediate. A method is to make use of echo
and pipe the command to at
:
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We hope this post helped you to find out At Command in Linux . You may also want to see — Kill Command in Linux