sudo timedatectl set-timezone Europe/London sudo apt update sudo apt install chrony -y sudo systemctl enable chronyd sudo systemctl start chronyd sudo nano /etc/chrony/chrony.conf Set pool to use multiple UK time sources

0.uk.pool.ntp.org 1.uk.pool.ntp.org 2.uk.pool.ntp.org 3.uk.pool.ntp.org

At the end of the chrony.conf file set subnets/ip’s for HF’s allowed to get time from DS

Allow 100.100.100.0/24 Allow 150.150.150.0/24

Save the file and restart chrony

sudo systemctl restart chronyd Check the server is syncing properly to external NTP provider chrony sources -v Once clients are configured you can validate our connections using the command shown below chronyc clients