Update Ubuntu on a schedule

how do i sudo unattended

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We can achieve this with the power of sudoers. By adding ian ALL=(ALL:ALL) NOPASSWD:/home/ian/update.sh to /etc/sudoers.d/update I can now execute the update script in the home directory with sudo privileges without a password from the user ian.

the update script

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just a simple apt update and apt upgrade with -y for unattended execution.

#!/bin/bash
apt update
apt upgrade -y

now to schedule

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just a simple n8n automation to run the script every week.