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I want to setup a NTP server on open SUSE 11.1.

But I don't know whether it has been supported in the system, or it needs me to install a software manually.

If not, is there any kind of open source or free ware I can use?

Thanks.

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migrated from stackoverflow.com Jul 2 '10 at 2:48

This question came from our site for professional and enthusiast programmers.

Yes, NTP both client and server are part of the distro as long as you select them during installation.

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xntpd is in all Linux distributions I'm aware of, is free, open source, and exceedingly common. That is the one you'll want. I admit to not having checked SuSE recently.

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I know there is a /etc/init.d/ntp on openSUSE. But I think it is a NTP client, which uses other sources to synchronize the local time. What I want is a NTP server, is it supported as well? Thanks. – Kuyo Jul 2 '10 at 2:09
    
ntp should be a client and a server (same program). Both client and server require the software to perform the same function, and to run all-the-time, and to support the same protocols. Both tools to do NTP that I'm aware of (xntpd and ntp, (possibly the same?)) are both client and server. – Slartibartfast Jul 10 '10 at 1:36
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There is no NTP client. The NTP server works as a client to its sources (defined as servers in the config file), and a server to hosts which treat it as a server. Hosts can be configured as peers in which case the act as both client and server to the peer. Access restrictions can be configured to prevent the a host from providing time to other hosts. Some tools such as ntpdate use NTP servers a time source, but don't offer full NTP functionality, so I dont consider them clients. – BillThor Aug 8 '10 at 19:49
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What exactly is the distinction between a client and a server in your mind? An NTP "server" that has no connections to any machines at an equal or higher stratum is, in what way, a server? In what way is 'ntpdate' not a client? To what end do you make this server/client distinction? – Slartibartfast Aug 9 '10 at 4:39

Take a look here: http://en.gentoo-wiki.com/wiki/NTP It's for Gentoo, but configuration files for ntp are same. ntp can act both as a client and a server. You just need to set it up correctly.

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yes, but you need the yast module for a GUI probably called yast2-ntp

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