Non-interactive apt-get install

I was wondering about how to do a non-interactive installation of MySQL using apt-get, because it prompts for the root password. I found my answer in an article — Truly non-interactive / unattended apt-get install.

Basically in addition to passing the -q -y arguments to apt-get, you export an environment variable, like this:

# export DEBIAN_FRONTEND=noninteractive
# apt-get -q -y install mysql-server-5.0

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