sysstat stores past data in the directory /var/log/sa – for RHEL based OS /var/log/sysstat – for Debian based OS Each day log files are stored in a file with the respective date. sa01 – log file for day 1 sa31 – log file for day 31 To view logs for day 9, run sar -f … Read more
To install sysstat/sar on CentOS, run yum install sysstat Enable and start sysstat systemctl enable sysstat systemctl start sysstat systemctl status sysstat Allow several minutes to collect data, then you will be able to see stats with sar ommand. See sar
Enable sar in Ubuntu install sysstat on CentOS View Past Performance Data With sar To see stats for the previous day, run On Ubuntu: On RHEL/AlmaLinux: Where DD is day of the month. For example, to see stats for 10th, run