Time Sync and hostname resolution

Question 1

where is the config file for Chrony service

Answer 1

/etc/chrony.conf

Question 2

inspect binding status/ show available time sources

Answer 2

chronyc sources

Question 3

display clock performance

Answer 3

chronyc tracking

Question 4

dislplay time, date, time zone etc…

Answer 4

timedatectl

Question 5

set time manually

Answer 5

sudo timedatectl set-ntp false ##turns off ntp/chrony
sudo timedatectl set-time 2020-1-1
or
sudo timedatectl set-time “2020-1-1 23:00”
sudo timedatectl set-ntp true ##turns back on

Question 6

where is the DNS config file

Answer 6

/etc/resolv.conf