Shell Script To Check Disk Usage ...
#!/bin/sh
# Get ip address of this server
IP=$(ifconfig eth0 | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}')
# tmp keep all the info in a file.
fname="~/diskusage.txt"
# put IP address at the top of the file
echo $IP > $fname
# new line ...
echo "" >> $fname
echo "" >> $fname
# put the disk info to file
df -l -H >> $fname
echo "" >> $fname
# keep diskinfo in a variable
DF=$(cat $fname)
# get the server uptime
UPTIME=`uptime`
# SET ALRT DISK LIMIT 90% ALERT TRIGGER ...
ALERT_LIMIT=90
# Ignore Filesystem|tmpfs|cdrom|boot partition ... get the data disk only ...
df -l -H | grep -vE '^Filesystem|tmpfs|cdrom|boot' | awk '{ print $5 " " $1 }' | while read output;
do
# get the % usage of the disk
usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1 )
# Which partition id this ...
partition=$(echo $output | awk '{ print $2 }' )
if [ $usep -ge $ALERT_LIMIT ]; then
echo "Server: $IP Running out of space" >> $fname
echo "" >> $fname
echo "\"$partition ($usep%)\" on $(hostname) as on $(date) .." >> $fname
echo "" >> $fname
echo "$output" >> $fname
echo "" >> $fname
echo "" >> $fname
cat $fname | mail -s "Alert: $aa Almost out of disk space $usep%" razimi@funnel.my
else
echo "" >> $fname
echo $UPTIME >> $fname
cat $fname | mail -s "Server $IP Disk Usage report $(date)" razimi@funnel.my
fi
done
