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I have a VPS with Ubuntu 12.10 server edition, an I connect to it from public/university. I host some web applications on it. I have always been concerned with security issues. What features is needed to be checked in order to have a secure VPS?

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Implement the hardening techniques outlined in the CIS Benchmark guides for:

  1. Apache
  2. Debian
  3. MySQL - if you are running this in your instance.

I would also run a vulnerability scanner such as Nessus against it to determine any additional security weaknesses that may exist.

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