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- #!/bin/bash
- TEMP_FILE=/tmp/available-updates.log
- apt-get update
- sleep 5
- dpkg --get-selections | xargs apt-cache policy {} | grep -1 Installed | sed -r 's/(:|Installed: |Candidate: )//' | uniq -u | tac | sed '/--/I,+1 d' | tac | sed '$d' | sed -n 1~2p > $TEMP_FILE
- sleep 5
- FILE_SIZE=`ls -lha /tmp/available-updates.log | cut -d' ' -f5`
- if [ $FILE_SIZE -eq 0 ]
- then
- rm $TEMP_FILE
- else
- cat $TEMP_FILE | /usr/bin/mailx -v \
- -r "FROM_ADDRESS" \
- -s "[ SERVER_NAME ] Server Updates available" \
- -S smtp="SMTP_SERVER:SMTP_PORT" \
- -S smtp-use-starttls \
- -S smtp-auth=login \
- -S smtp-auth-user="SMTP_USER" \
- -S smtp-auth-password="SMTP_PASSWORD" \
- -S ssl-verify=ignore \
- RECIPIENT_ADDRESS
- sleep 5
- rm $TEMP_FILE
- fi
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