atop + what define when /var/log/atop/atop_log should be created today I installed the atop tool ( before two hours ) in order to trace the OS performance rpm -i atop-2.3.0-8.el7.x86_64.rpm atop -V Version: 2.3.0 - 2017/03/25 09:59:59 <gerlof.langeveld@atoptool.nl> when we try to find the logs under ls -ltr /var/log/atop/ total 0 we do not see logs my question - what is defined when the logs creation and how to force the logs creation after for example one hour note- in order to trigger the atop it is necessary to perform the following steps : systemctl enable application.service systemctl start atop

From `man`

> When atop is installed, the script atop.daily is stored in the /etc/atop directory. This scripts takes care that atop is activated every day at midnight to write compressed binary data to the file /var/log/atop/atop_YYYYMMDD with an interval of 10 minutes. Furthermore the script removes all raw files which are older than four weeks. The script is activated via the cron daemon using the file /etc/cron.d/atop with the contents
>
>
> 0 0 * * * root /etc/atop/atop.daily
>

If you have installed from epel the script path will be `/etc/sysconfig/atop`

Dont forget to start the service.


[root@testserver atop]# pwd
/var/log/atop
[root@testserver atop]# ls
atop_20180829 atop.log