Install SysStat on Centos 8

gistfile1.txt

# Installation

$ dnf -y install sysstat
$ systemctl enable --now sysstat

# create a new config to override the default 10 minutes
$ systemctl edit sysstat-collect.timer


[Unit]
Description=Run system activity accounting tool every minute

[Timer]
OnCalendar=
OnCalendar=*:00/1
AccuracySec=0


# Troubleshooting 

show timers

$ systemctl list-timers sysstat-*
NEXT                         LEFT     LAST                         PASSED  UNIT                  ACTIVATES
Mon 2021-03-22 10:04:00 CET  10s left Mon 2021-03-22 10:03:00 CET  49s ago sysstat-collect.timer sysstat-collect.service
Tue 2021-03-23 00:07:00 CET  14h left n/a                          n/a     sysstat-summary.timer sysstat-summary.service


# old timer config
$ grep -A 1 'Timer' /usr/lib/systemd/system/sysstat-collect.timer

# new timer config
$ grep -A 2 'Timer'  /etc/systemd/system/sysstat-collect.timer.d/override.conf
[Timer]
OnCalendar=
OnCalendar=*:00/1