Setting up auto-updates is a pretty useful feature. Heres how to do it on ubuntu.
First edit your crontab file as sudo
sudo crontab -e
Next add the following entry in the editor that came up
# This will run at 1:00AM Nightly (min hour day day-of-month month day-of-week) 0 1 * * * /usr/bin/apt-get update && /usr/bin/apt-get -y upgrade >> /var/log/apt/myupdates.log
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