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From Wilson Hernandez <>
Subject Re: [users@httpd] How to run a backup server?
Date Fri, 10 Jun 2011 20:50:45 GMT

This option sounds a lot simpler than first thought. I will keep this in 
mind. Also, I'm also running a DNS server in house as well, but, if no 
power at home then there will be no DNS will be resolved.

On 6/10/2011 3:55 PM, Jeroen Geilman wrote:
> On 06/10/2011 09:05 PM, Wilson Hernandez wrote:
>> Thanks for replying.
>> I actually would like to have the main server locally and the backup 
>> server hosted somewhere else with: Amazon, Godaddy, etc...
> The cheapest way is to point the hostname to your home IP, and set a 
> very short TTL, say 5 minutes.
> Use the minimum your DNS hoster will accept.
> Then you can switch to your backup in that time frame by altering the 
> A record.
> This is trivially automated by running a cron script on the backup 
> server that checks if your home IP is responding, and if not, switches 
> the DNS record to itself.

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