sar output for Yesterday statistics
To check the load:
sar -q -f /var/log/sa/sa$(date +%d -d yesterday)
To check the CPU status:
sar -p -f /var/log/sa/sa$(date +%d -d yesterday)
To check the Swap Space usage:
sar -S -f /var/log/sa/sa$(date +%d -d yesterday)
To check the RAM memory usage:
sar -r -f /var/log/sa/sa$(date +%d -d yesterday)