Centos ntp not updating time
If you don’t occasionally set the system clock yourself, the time will slowly drift away from a perfectly accurate setting.
That’s when the network time protocol (NTP) is useful.
For example, if you want to use the NTP pool servers you can set the server values in the master file to: Point the to your master server on every other machine for which you want to sync the time.
You can replace this with the fully-qualified DNS name or IP address of your own NTP server.
To have the correct time and date in Linux is very important, a lot of things depends on it.
It does not matter if you are using Linux to power your personal computer or you have a Linux server. Set date from the command line Set hardware clock The hardware clock is the clock that runs in you PC hardware even if you disconnect it from the main power supply.
The dynamic option is useful when NTP is running on a machine that doesn’t always have access to the Internet.
It is not necessary on a machine with a dedicated connection.
Let’s say some application on your server is sending emails and you want to find out who is receiving those emails.