LPIC 1 - 076 - 109.4 - Client Side DNS configuration

"It's Always DNS" is an ongoing joke on the sysadmin forums. In LPIC 1, exam 102, version 500 module 109.5 we will see why! I will review the concept, some commands and configuration and we will make sure that our operating system known where to go when we ask her about "hckrnews.com".

00:00 - Intro to DNS 04:29 - Host command to check DNS data 07:18 - dig command to debug DNS queries 08:35 - /etc/resolv.conf 10:46 - /etc/hosts 13:20 - /etc/nsswitch.conf 14:20 - getent on linux machines 16:44 - systemd-resolved

Full LPIC1 course: https://youtube.com/playlist?list=PLFOYXCPEqdNUU55Xvgst8wGTWnz_sd-cj Textbook: https://linux1st.com/1094-configure-client-side-dns.html ... https://www.youtube.com/watch?v=wUDhmSpr3lg