Check online status by hostname

[Alex Burger]

Wengrzik, Andreas wrote:

> Hello!
> 
> What is the best way to check if a client is online by his hostname??
> 
> Wie do a lot changing ip addresses but the hostnames always stay...
> Any ideas??
> Thanks a lot!!
> 
> 
> Is it possible to create a host with his hostname? Or do i always need an ip address??

You can use hostnames instead of IP addresses.  I would suggest that you 
add all the host names / ip addresses to a local hosts file, or 
configure the server as a DNS server which is authorative for your 
domain.  If you don't and the DNS server fails (resulting in no DNS 
resolution) you could end up with a lot of false alerts.

Alex



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