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Unix Commands/Scripts for '#Script'
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Unix Commands/Scripts for '#Script' - 5 Commands/Scripts found

 Sample 1. Shell Script for Log4j Log Analysis and exception reporting

#!/bin/ksh

EMAIL_SUBJECT="Exceptions-Log"
EMAIL_TO="xyz@yahoo.com"
`grep "xception" Out.log >> /home/xyz/test1`
`cat /home/xyz/test1 | sed -n 's/.* ([^ ]*xception[^ ]*) .*/1/p' | awk '!x[$0]++' >> /home/xyz/test2`

`rm test3`

while read line
do
lineNum=`sed -n "/$line/,/EST/{=;q;}" Out.log`
let bl=$lineNum-5
let el=$lineNum+15
echo "*************************************************
$line
**************************************************

" >> test3
`sed -n "$bl,$el p" Out.log >> test3`
echo "


" >> test3
done < "/home/xyz/test2"

`cat test3 | /bin/mail -s $EMAIL_SUBJECT $EMAIL_TO`

   Like      Feedback     script  exception reporting script  log4j analysis script  awk


 Sample 2. Log Monitoring Shell Script - email upon errors

#!/bin/ksh
# Set the config variables

# *************************************************Configuration********************************************************
logFileName="Out.log"
errorList="WSWS3713E|WSWS3734W|WSVR0605W|javax.net.ssl.SSLHandshakeException|ThreadMonitor"
EMAIL_SUBJECT="Application ERROR"
EMAIL_TO="viva@viva.com"
# **********************************************************************************************************************

logFilepath=""

# Set the Log File path

if [ `hostname` = cpc2600 ]
then
logFilePath="/opt/WebSphere6/AppServer/profiles/applicationcpc2600/logs/"
elif [ `hostname` = cpc2601 ]
then
logFilePath="/opt/WebSphere6/AppServer/profiles/applicationcpc2600/logs "
elif [ `hostname` = psc2800 ]
then
logFilePath="/opt/WebSphere6/AppServer/profiles/applicationpsc2800/logs "
elif [ `hostname` = psc2801 ]
then
logFilePath="/opt/WebSphere6/AppServer/profiles/applicationpsc2801/logs "
fi

if [ ! -s $logFilePath/$logFileName ]; then echo "ERROR- Log File Not Found , Please set the config properly"
exit
fi

# Get the first 30 characters of the first line linestart=$(awk 'NR>1{exit} ;1' $logFilePath/$logFileName | cut -c1-30)

lineend=""

# Never ending loop that will parse the Out.log file every 5 sec

while true ; do

# get the last line of file , till which we need to parse the log in this iteration lineend=$(awk 'END{print}'
$logFilePath/$logFileName | cut -c1-30)

# if log file not found , Do nothing and wait for the next iteration if [ ! -s $logFilePath/$logFileName ];
then echo "Log File Not Found .. Waiting for the next iteration ..."
fi

# error checking , in case we dont find the linestart , parse the whole file grep "$linestart"
$logFilePath/$logFileName if [ $? != 0 ] then
echo "cat $logFilePath/$logFileName | egrep $errorList | /usr/sbin/sendmail -s $EMAIL_SUBJECT $EMAIL_TO"
cat $logFilePath/$logFileName | egrep "$errorList" | /usr/sbin/sendmail -s $EMAIL_SUBJECT $EMAIL_TO

else

#parse the log file from linestart to lineend for errors

echo 'awk "/$linestart/,/$lineend/" $logFilePath/$logFileName | egrep "$errorList" | /usr/sbin/sendmail -s $EMAIL_SUBJECT $EMAIL_TO'

awk "/$linestart/,/$lineend/" $logFilePath/$logFileName | egrep "$errorList" | /usr/sbin/sendmail -s $EMAIL_SUBJECT $EMAIL_TO #set the last line as the first line for next iteration linestart=$lineend fi

#set the last line as the first line for next iteration linestart=$lineend

sleep 5

done

   Like      Feedback     script  shell script to report errors in logs


 Sample 3. Shell Scripts for Automating System Monitoring Task

#!/bin/ksh

errorSnippet=''

# ********************************************************Configuration***************************************************************
homeBench='90'
VivaBench='90'
rootBench='90'
appHomeBench='90'
idleBench='95'
logsOldBench='15'
memUsageBench='2500'
avgLoadBench='5'
EMAIL_SUBJECT="Server Health Check Report for $(hostname)"
EMAIL_TO="test@test.com"
# ************************************************************************************************************************************

dfHome=`df | sed -n '/ /home$/s/.* ([0-9][0-9]*)%.*/1/p'`
dfViva=`df | sed -n '/ /apphome/Viva$/s/.* ([0-9][0-9]*)%.*/1/p'`
dfRoot=`df | sed -n '/ /$/s/.* ([0-9][0-9]*)%.*/1/p'`
dfApphome=`df | sed -n '/ /apphome$/s/.* ([0-9][0-9]*)%.*/1/p'`
dfLogsOld=`df | sed -n '/ /localvg-logsOld$/s/.* ([0-9][0-9]*)%.*/1/p'`
memUsage=`sar -q 1 | tail -1 | awk '{ print "" $3}' | sed 's/%//g'`
avgLoad=`uptime | awk -F "$FTEXT" '{ print $2 }' | cut -d, -f3`
iostatIdle=`iostat | awk '{print $5}' | awk 'NR==4' | cut -d '.' -f1`

if [[ $dfHome -gt $homeBench ]] then
errorSnippet="Disk Usage for /home exceedeed the benchmark, Its $dfHome now";
fi
if [[ $dfViva -gt $VivaBench ]] then
errorSnippet="$errorSnippet
Disk Usage for /apphome/Viva exceedeed the benchmark, Its $dfViva now";
fi
if [[ $dfRoot -gt $rootBench ]] then
errorSnippet="$errorSnippet
Disk Usage for /(root) exceedeed the benchmark, Its $dfRoot now";
fi
if [[ $dfRoot -gt $rootBench ]] then
errorSnippet="$errorSnippet
Disk Usage for /(root) exceedeed the benchmark, Its $dfRoot now";
fi
if [[ $dfApphome -gt $appHomeBench ]] then
errorSnippet="$errorSnippet
Disk Usage for /apphome exceedeed the benchmark, Its $dfApphome now";
fi
if [[ $dfLogsOld -gt $logsOldBench ]] then
errorSnippet="$errorSnippet
Disk Usage for logs old exceedeed the benchmark, Its $dfLogsOld now";
fi
if [[ $iostatIdle -gt $idleBench ]] then
errorSnippet="$errorSnippet
Iostat idle exceedeed the benchmark, Its $iostatIdle now";
fi
if [[ $memUsage -gt $memUsageBench ]] then
errorSnippet="$errorSnippet
Memory Usage exceedeed the benchmark, Its $memUsage now";
fi
if [[ $avgLoad -gt $avgLoadBench ]] then
errorSnippet="$errorSnippet
15 minute Average Load exceedeed the benchmark, Its $avgLoad now";
fi

print $errorSnippet
if [ "$errorSnippet" != "" ]; then
`echo errorSnippet | /bin/mail -s $EMAIL_SUBJECT $EMAIL_TO`
fi

   Like      Feedback     script to automate monitoring task  df  sed  sar  tail  awk  iostat  shell script if block  print  /bin/mail


 Sample 4. Shell Script to continuously monitor the state(up/down) of application and send email if its down

while true ; do
curl websiteaddress.com | grep -q "Down for Maintenance"
if [ $? -eq 0 ] ; then
echo "Website is Down" | mail -s "Website is down for maintenance" email@address.com
; fi
sleep 20
done

   Like      Feedback     script to monitor logs  curl  sleep  while loop  if block


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 Sample 5. Get current Date in a specified format ( year, month,date,hour and minute) within shell script.

currentDate=$(date "+%Y-%m-%dT%H:%M")

   Like      Feedback     current date   current date in specific format



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