# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
-server 0.pool.ntp.org
-server 1.pool.ntp.org
-server 2.pool.ntp.org
+pool pool.ntp.org iburst
driftfile /var/lib/ntp/drift
keyfile /etc/ntp/keys
+# Allow the system clock to be stepped in the first three updates
+# if its offset is larger than 1 second.
+makestep 1.0 3
+
+# Enable kernel synchronization of the real-time clock (RTC).
+rtcsync
+
# Specify the key used as password for chronyc.
commandkey 1