you can use cron to run programs periodically...
you can even have the results of the scans automatically emailed to you if you want...
basically, what you can do is:
- become root
- backup your current crontab:
cp /var/spool/cron/crontabs/root /root/crontab.backup
- create a new crontab with links to the scripts you wanna run, basing yourself on the original crontab, so as to keep those entries:
cp /root/crontab.backup /root/crontab.new
- once you've finished editing the file, make it the current crontab:
now the new crontab will be picked-up on the next cycle (every minute)...
if you mess-up, just restore the backup:
make sure you read about how cron works and stuff before you do this...