D-lighted, I'm Sure

Jacob Carlborg doob at me.com
Fri Jan 18 20:41:14 UTC 2019

On 2019-01-18 21:23, H. S. Teoh wrote:

> Haha, that's just an old example from back in the bad ole days where NTP
> syncing is rare, and everyone's PC is slightly off anywhere from seconds
> to minutes (or if it's really badly-managed, hours, or maybe the wrong
> timezone or whatever).

I had one of those issues at work. One day when I came in to work it was 
suddenly not possible to SSH into a remote machine. It worked the day 
before. Turns out the ntpd daemon was not running on the remote machine 
(for some reason) and we're using Kerberos with SSH, that means if the 
clocks are too much out of sync it will not be able to login. That was a 
... fun, debugging experience.

/Jacob Carlborg

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