You could designate one of your internal machines as the timeserver.
您可以指定一台内部的机器作为时间服务器。
2
A simple way to synchronize clocks among machines is to use a timeserver.
对机器间时钟进行同步的一种简单方法是使用一个时间服务器。
3
These include rotating log files so filesystems do not become full, backing up data, and connecting to a timeserver to keep your system time synchronized.