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Update On: 23 Jul 2021Server load alerts shell script

Simple Server load signals shell script to control your server load center, Free Memory and Swap status, Disk space report. etc., Please make sure this script will not generate an extra load score on your Cpanel server. This shell script will send a signal to your email account at the server part goes more than 10.

cd /root

vi loadalert

EMAIL="your email"SUBJECT="Alert $(hostname) load average is $L05"TEMPFILE="/tmp/$(hostname)"TOPLOAD="10"echo "Load average Crossed allowed limit." >> $TEMPFILEecho "Hostname: $(hostname)" >> $TEMPFILEecho "Local Date & Time : $(date)" >> $TEMPFILEecho "| Uptime status: |" >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILE/usr/bin/uptime >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILEecho "| Top 20 CPU consuming processes: |" >> $TEMPFILEps aux | head -1 >> $TEMPFILEps aux --no-headers | sort -rn +2 | head -20 >> $TEMPFILEecho "| Top 10 memory-consuming processes: |" >> $TEMPFILEps aux --no-headers| sort -rn +3 | head >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILEecho "| Memory and Swap status: |" >> $TEMPFILE/usr/bin/free -m >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILEecho "| Active network connection: |" >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILE/bin/netstat -tnup | grep ESTA >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILEecho "| Disk Space information: |" >> $TEMPFILEecho "-------------------------------------------" >> $TEMPFILE/bin/df -h >> $TEMPFILEecho "-----------------THE END-------------------" >> $TEMPFILEL05="$(uptime|awk '{print $(NF-2)}'|cut -d. -f1)"if test $L05 -gt $TOPLOADthenmail -s "$SUBJECT  $L05" "$EMAIL" < $TEMPFILEfirm -f $TEMPFILE

chmod 755 loadalert

Updated this script on your cronjob

echo “*/5 * * * * /root/loadalert >/dev/null 2>&1” >> /var/spool/cron/root

Restart cron service

/etc/init.d/crond restart