[K12OSN] kinit: clock skew too great

Nils Breunese nils at breun.nl
Thu Apr 5 00:47:22 UTC 2007


Conrad Lawes wrote:

> This error means that the time on the kerberos client is out of  
> synch with kerberos server.  The kerberos server in this case is  
> your AD controller.  I believe, by default, the kerberos server  
> will refuse to issue  tickets if the clocks are out of synch by  
> more than 5 minutes.
>
> To avoid this problem, you should use the AD controller as the  
> primary ntp source for all AD members. This way your clients are  
> always in synch with the AD controller.  To automate this, I   
> setup  cron jobs  on all Linux AD member servers to execute the  
> following:
>
> # /sbin/service ntpd stop; /usr/sbin/ntpdate <ip address of AD  
> server>; /sbin/service ntpd start
>
> The command above stops the ntpd daemon, updates the system time   
> with AD controller then restarts ntpd daemon.

I'd say, use your AD server as a time source for ntpd OR don't use  
ntpd and run ntpdate in a cron job. Running both doesn't make sense  
to me. Or am I missing something?

Nils Breunese.
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