Unix Commands/Scripts for '#Tail'

Unix Commands/Scripts for '#Tail' - 4 Commands/Scripts found

Sample 1. Tail log to see only lines containing an error / exception in last 5000 lines

tail -5000 /opt/WebSphere6/AppServer/profiles/Viva/logs/VivaWebClusterMemberPsc9800/SystemOut.log | grep -i "FileNotFoundException"

_{Like Feedback tail tail logs check logs for errors grep grep -i grep ignore case}

Sample 2. Get lines containing any of the multiple errors / exceptions in running logs

tail -f /opt/WebSphere/AppServer/profiles/application/logs/SystemOut.log | egrep "(WSWS3713E|WSWS3734W|WSVR0605W|javax.net.ssl.SSLHandshakeException|ThreadMonitor)"

_{Like Feedback grep grep logs tail tail -f egrep}

Sample 3. Get Error Snippets in running logs

tail -f /opt/WebSphere/AppServer/profiles/application/logs/SystemOut.log | sed -n '/ERROR/,/EST/p'

_{Like Feedback grep grep logs tail tail -f sed sed -n}

Sample 4. 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}

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