FollowScript to Alert User password Expiry before ten days of expiry date .
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#!/bin/sh
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for i in user1 user2
do
# convert current date to seconds
currentdate=`date +%s`
# find expiration date of user
userexp=`chage -l $i |grep ‘Password Expires’ |cut -d: -f2`
# convert expiration date to seconds
passexp=`date -d “$userexp” +%s`
# find the remaining days for expiry
exp=`expr \( $passexp – $currentdate \)`
# convert remaining days from sec to days
expday=`expr \( $exp / 86400 \)`
if [ $expday -le 10 ]; then
echo “Please do the necessary action” | mailx -s “Password for $i will expire in $expday day/s” $rcvr3,$rcvr2
fi
done
### checking for root user password expiary ###
for j in root
do
currentdate=`date +%s`
userexp=`chage -l $j |grep ‘Password Expires’ |cut -d: -f2`
passexp=`date -d “$userexp” +%s`
exp=`expr \( $passexp – $currentdate \)`
expday=`expr \( $exp / 86400 \)`
if [ $expday -le 10 ]; then
echo “Please do the necessary action” | mailx -s “Password for $j will expire in $expday day/s” $rcvr1
fi
done
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