In DNS topic, while explaining about /etc/nsswitch.conf referring about hosts entry…nothing is showing in video to understand it better . Please cross check.
Hello, @santosh.charugulla
Thanks to note it down.
master $ cat /etc/nsswitch.conf
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.
passwd: compat systemd
group: compat systemd
shadow: compat
gshadow: files
hosts: files dns
networks: files
Please update video of DNS which helps understand better.