[mdlug] Server maintenance

[Mat Enders]

On Fri, Nov 16, 2012 at 5:46 PM, Jay Nugent <jjn at nuge.com> wrote:

> Greets,
>
> On 11/16/2012 05:38 PM, Mat Enders wrote:
>>
>>>  Hello all I will be taking down the MDLUG web and email server within
>>> the
>>>  next ten minutes.  I hope to have it back up with 2-3 hours.  This going
>>>  to
>>>  involve a change to DNS so part of it will be that propagating.
>>>
>>
>    DNS *NEVER* propogates.  You plan ahead, reduce the TTL/Expire to just
> a couple hours.  Once that *old* TTL has passed, begin your maintenance.
> Sheesh!  I teach this basic stuff every day yet see this mistake over and
> over and over...
>

I used the single word propagate to mean exactly what you said.  I am sure
most people when using propagate in this intend it to mean that.  It is
just a short hand way to say it.

-- 
Mathew E. Enders

"Where once Samba and Apache sold Linux to the world they are now just part
of the plumbing.  But that's OK, plumbers make good money."
--Jeremy Allison