How to Install sar(System Activity Report) in Linux Ubuntu

 

sudo apt update

sudo apt install sysstat -y

sudo apt start sysstat 

sudo apt ensble sysstat 

And then change the sysstat config file and change the ENABLED status to "true" in /etc/defaults/sysstat location and then restart the service by following command

sudo systemctl restsrt sysstat

and then give the commands to show the cpu utilise by 

sar -u

sar -u 1 3

sar -r 

sar -r 1 3