Email notification is a convenient way to be updated about new content or comments. There are several modules in Drupal that already deal with this issue, and I would like to propose another solution, and highlight the advantages of using it.
The screencast goes through the installation of high performance Barracuda Aegir stack on Ubuntu. It's going to install and configure Nginx, PHP-FPM 5.2.17, MariaDB or Percona and other necessary components.
For some time now (over 2 years actually!) Livethemer has consumed our time and attention. It's been lurking in the background, sometimes right up in our faces demanding more from us.
Anyone over the age of 25 or so likely has a mom somewhat similar to mine. She is able to send emails, and maybe search google a bit, but overall she isn't the most tech savvy person in your life.