* [http://www.howtoforge.com/data-recovery-techniques-on-linux Data Recovery Techniques on Linux]: How to recover deleted files.
* [https://avi.alkalay.net/2014/01/gmail-relay-linux-home-server.html GMail Relay Linux Home Server]: Use GMail and <code>sendmail</code> to send system e-mails.
* [http://www.techvilleottawa.org/sendmail-smtp-gmail-relay-on-fedora-centos-redhat Sendmail SMTP GMail Relay on Fedora]: Alternate tutorial using GMail and <code>sendmail</code> to send system e-mails(<code>cyrus-sasl-plain</code> and <code>cyrus-sasl-md5</code> required).
* [http://fedoraproject.org/wiki/AutoUpdates Automatic Updates]: Configure the HDA to automatically update the OS.