Configuring DNS for home LAN? Ubuntu Server 9. 10/Webmin?
By Administrator on Nov 27, 2010 in Server Edition
Alright guys, speedy question. Maybe somebody can point me inside the route of the superior write-up or article to explain how one can perform it. Here’s what I need to do…
I’ve got a machine working essentially on VmWare (Ubuntu machine 9.10), and I’m using Webmin to configure the majority of the choices for it. I incorporate the use of the CLI however the GUI is generally a great offer faster.
The machine is put to some static internal IP of 192.168.1.100
I have an account with DynDNS, if that matters any.
I’m wanting to place up my DNS to instantly forward all traffic from “example.linuxathome.com” to 192.168.1.100:80
So basically, I want my internal DNS to route almost everything inside the URL toward IP of the computer, and so i never have to amount out the amounts every time. Is this something I need to perform within my router or what? I’m a little bit confused!
Thanks for that make it possible for fellas!
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Peter | Nov 27, 2010 | Reply
Unless you’ve made changes to how your network works, right now all the computers on your network will be using the router as a DNS server. The DNS server in your router would be forwarding all requests it receives to your ISP’s DNS server, but quite a few routers also have an option to add “static” DNS entries. Probably worth checking your router’s manual for this feature, or include details of your router’s make and model in your question.
Failing that, it’s also possible to add hostnames to a computer’s “hosts file”. This is basically a list of IP address to hostname mappings in a text file. A computer will consult it’s hosts file when trying to resolve a hostname before doing a DNS lookup, so you can just add a line like
192.168.1.100 example.linuxathome.com
to the hosts file of every computer on your network. Check my sources for more details of what a hosts file is, and how to find it on your operating system. If doing that for every computer on your network sounds annoying, then you’ve just discovered why DNS was invented.
The third option I can think of would be installing a full DNS server on your Ubuntu server. That server would be able to host DNS information mapping your example.linuxathome.com address to the correct IP, and forward all other requests to your ISP’s nameserver. But setting up DNS and creating custom DNS zones is a big job, and I wouldn’t recommend it until you’re a little more sure of what you’re doing.