Hey Patrick.
Thanks for the reply.
The situation will potentially scale/get to: -50-100 instances on the rackspace/digitialocean cloud -the process needs the ability to externally interface with a few of the boxes/instances via name as opposed to ipaddress (thus the DNS) -the internal processes need the ability to be accessible from the other instances via name (again, the reason for dns) I'd prefer not to do ssh test@1.2.3.4 to instances within the internal boxes/instances --names are much easier.. --the internal machines for the most part are connected to other internal instances/boxes.. -- ie, will not be accessed externally
-while one could manage /etc/host files.. not looking to do that for 50/100 instances.. which is why the dns questions are being posed.
On Sun, Jan 31, 2016 at 1:23 PM, Patrick O'Callaghan pocallaghan@gmail.com wrote:
On Sun, 2016-01-31 at 12:57 -0500, bruce wrote:
As far as I can tell, most of the sites say you need to already have a "name" from a domain name provider. That can't be right, can it!! One can have a dns process internal to an org, providing dns names to machines all over the place. Granted, those machines/names might be internal/private.
If it's wholly internal (i.e. any lookups are from machines within the network), you don't need an globally recognized name. You can use /etc/hosts or dnsmasq.
So, does one need an "actual" real name for an externally facing server in order to process the DNS so one can do a "ssh test@foo.com" or can you use something like "ssh test@foo.example.com"
Even if your home network is hidden behind an ISP NAT router, getting your own domain is quite simple. Providers such as DynDNS (www.dyn.com) or NO-IP (www.noip.com) offer DNS registration (either paid or free with restrictions). You also need a dynamic DNS client to keep them up to date, but most modern routers can do that for you.
poc
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