Script for server health_check monitoring

#!/bin/sh

> /tmp/report.csv

printf "\n" >> /tmp/report.csv

date_sar=`date | awk '{print $3}'`

echo "`hostname` = `date` " >> /tmp/report.csv
echo "============================" >> /tmp/report.csv

echo "CPU Average utilization" >> /tmp/report.csv
echo "------------------------" >> /tmp/report.csv
printf "\n" >> /tmp/report.csv

sar -u -f /var/log/sa/sa0$date_sar | grep -i "Average\|%idle" >> /tmp/report.csv
printf "\n" >> /tmp/report.csv
echo "Load Average : " >> /tmp/report.csv
echo "---------------" >> /tmp/report.csv
printf "\n" >> /tmp/report.csv

sar -q -f /var/log/sa/sa0$date_sar | grep -i "Average\|ldavg-15" >> /tmp/report.csv

printf "\n" >> /tmp/report.csv
echo "MEM Utilization " >> /tmp/report.csv
echo "---------------" >> /tmp/report.csv
printf "\n" >> /tmp/report.csv
free -g | grep -i "mem\|total" >> /tmp/report.csv
printf "\n" >> /tmp/report.csv
echo "Memory utilization per process " >> /tmp/report.csv
echo "==============================" >> /tmp/report.csv

ps axo %mem,pid,euser,cmd | sort -r | head -n 10 | awk '{print $1"  "$2"  "$3"  "$4}' >> /tmp/report.csv
printf "\n" >> /tmp/report.csv
echo "==========================================================================" >> /tmp/report.csv