Re: Time Server

From: Alexey Fadyushin (fab_at_s-tunnel.com)
Date: 06/29/04

  • Next message: Ryan Golhar: "RE: New Kickstart Problem"
    Date: Tue, 29 Jun 2004 22:36:34 +0400
    To: golharam@umdnj.edu, General Red Hat Linux discussion list <redhat-list@redhat.com>
    
    

    You can find the NTP documentation in the directory
    /usr/share/doc/ntp-XXXXXX where XXXXXX is the version of ntpd.
    The ntpd daemon may be used not only for syncronization of itself with
    other NTP server(s) but also may be used as a time source for the
    clients.

    You can use the following configuration lines in your NTP configuration
    file
    (/etc/ntp.conf):

    server <server name or IP address>

    This line (which could be repeated as needed in the case of multiple NTP
    time sources
    for your server) tells the ntpd daemon to use the server named on this
    line as a
    time source for your NTP server.

    For your clients which should get the time from your server
    you could add the following string (which also could be repeated as
    needed):

    restrict <address of network where cliwnts reside> mask <netmask of
    network with clients> notrust nomodify notrap noquery

    This line allows your clients to request time from your server and
    prohibiths other types
    of NTP requests from them (e.g. clients can not be used as time sources
    for
    your server.

    Alexey Fadyushin
    Brainbench MVP for Linux
    http://www.brainbench.com

    Ryan Golhar wrote:
    >
    > I haven't been able to find any documentation regarding time server in
    > RedHat Linux. I want to set up my server to act as a time server for
    > other clients. I have the ntp package installed, but it seems to only
    > sync itself with another server.
    >
    > Ideally, I would like my server (server A) to sync with another server
    > (Main Server), and have clients then sync to server A. Does anyone know
    > how to do this?
    >
    > Ryan
    >
    > --
    > redhat-list mailing list
    > unsubscribe mailto:redhat-list-request@redhat.com?subject=unsubscribe
    > https://www.redhat.com/mailman/listinfo/redhat-list

    -- 
    redhat-list mailing list
    unsubscribe mailto:redhat-list-request@redhat.com?subject=unsubscribe
    https://www.redhat.com/mailman/listinfo/redhat-list
    

  • Next message: Ryan Golhar: "RE: New Kickstart Problem"

    Relevant Pages

    • Re: Server time on DC time lags 1:30 sec from NTP source?
      ... putting up with a time problem, the DC that's the authorative time source ... Not sure how this can happen with NTP. ... server Server 2003 uses should be time-windows.com and not ... Time sync by client to DC ...
      (microsoft.public.windows.server.active_directory)
    • Re: NTP daemon - fixed offset against real time
      ... I need to setup one ntp server to serve its sntp clients ... bugs if theprogram running TV stuff added on the offset. ...
      (comp.protocols.time.ntp)
    • Re: Windows Time with NTPv4
      ... in which case the w32time clients were unable to ... synchronize to the NTP server, unless they were reconfigured correctly to ... server, ... mode 3 req -> mode 4 resp ...
      (comp.protocols.time.ntp)
    • Re: NTP stratum problem
      ... We have solris stations with ntp 4.2, act as a server and clients. ... Vxworks machines polling these Solaris clients using VxWorks ...
      (comp.protocols.time.ntp)
    • Re: Server time on DC time lags 1:30 sec from NTP source?
      ... Not sure how I could get a closer time source. ... The RTT is 70 msec to the NTP ... I'm also finding it very hard to beleive that a server connected to a ... Time sync by client to DC ...
      (microsoft.public.windows.server.active_directory)