= Time Sync using NTP =
== Linux ==
 * Link [[linux/bash]] linux bash timing , [[Ntp/Windows]]
 * Install NTP deamon to sync.
 * Use ntpdate  to do a onetime sync

== Windows ==
 * Normally clients sync from AD domain controller
 * Check time with 
    {{{ W32tm /query /configuration }}}
 * Compare with other server
    {{{ w32tm /stripchart /computer:<target> }}}
 * Time sync.
    {{{ w32tm /config /manualpeerlist:"ntpserver.contoso.com clock.adatum.com" /syncfromflags:manual /update }}}

 * [[http://www.pretentiousname.com/timesync/index.html|Sync Windows NTP more than once per week]] 
  
 * [[http://support.microsoft.com/kb/939322|The W32Time service cannot reliably maintain sync time to the range of 1 to 2 seconds. Such tolerances are outside the design specification of the W32Time service.]]


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CategorySecurity