EMAIL="your email" SUBJECT="Alert $(hostname) load average is $L05" TEMPFILE="/tmp/$(hostname)" TOPLOAD="10" echo "Load average Crossed allowed limit." >> $TEMPFILE echo "Hostname: $(hostname)" >> $TEMPFILE echo "Local Date & Time : $(date)" >> $TEMPFILE echo "| Uptime status: |" >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE /usr/bin/uptime >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE echo "| Top 20 CPU consuming processes: |" >> $TEMPFILE ps aux | head -1 >> $TEMPFILE ps aux --no-headers | sort -rn +2 | head -20 >> $TEMPFILE echo "| Top 10 memory-consuming processes: |" >> $TEMPFILE ps aux --no-headers| sort -rn +3 | head >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE echo "| Memory and Swap status: |" >> $TEMPFILE /usr/bin/free -m >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE echo "| Active network connection: |" >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE /bin/netstat -tnup | grep ESTA >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE echo "| Disk Space information: |" >> $TEMPFILE echo "-------------------------------------------" >> $TEMPFILE /bin/df -h >> $TEMPFILE echo "-----------------THE END-------------------" >> $TEMPFILE L05="$(uptime|awk '{print $(NF-2)}'|cut -d. -f1)" if test $L05 -gt $TOPLOAD then mail -s "$SUBJECT $L05" "$EMAIL" < $TEMPFILE fi rm -f $TEMPFILE