https://www.youtube.com/channel/UCP2bshADPrVMoNrdJvZEQzw explains how DNS lookups works in the Linux operating system. He covers the basics of DNS and the configuration files that handle DNS including the host file, the resolve.conf file, and the nsswitch.conf file. Chapters: 0:00 Introduction 0:36 What is DNS? 1:25 Examining the nsswitch.conf file 2:56 Examining the hosts file 4:10 How to block a site using the hosts file 7:40 Examining the resolve.conf file 11:10 Make changes persistent 16:16 Conclusion New to Cloud Computing? Get started here with a $100 credit → https://www.linode.com/lp/youtube-viewers/?ifso=linodetube&utm_source=youtube&utm_medium=SuperUser Read the doc for more information on DNS servers → https://www.linode.com/docs/guides/what-is-dns-server/ Learn more about our DNS Manager → https://www.linode.com/docs/products/networking/dns-manager/ Subscribe to get notified of new episodes as they come out → null #Linode #dns #configuration Product: Linode, DNS, configuration files; @KeepItTechie