Who is messing with my DNS server? Discovering and managing network daemons

Hi there, today I would like to talk about an recurrent issue that I've been facing for many years. I wanted to configure my machine to use an specific DNS server, so I including it in /etc/resolv.conf. However, after a while my new DNS server was removed and /etc/resolv.conf restored to a previous version. In this article I'm going to explore what is happening and how discover who is modifying /etc/resolv. [Read More]