You will need to run an NTP server somewhere - even if it's on one of those VMs. It will take some configuration hacks to convince it to think it's "reliable" if it has no upstream server to sync from.
Point each host at it.
You will need to run an NTP server somewhere - even if it's on one of those VMs. It will take some configuration hacks to convince it to think it's "reliable" if it has no upstream server to sync from.
Point each host at it.