Re: dns?
- From: Andrew Cady <d@xxxxxxxxxxxx>
- Date: Sun, 26 Feb 2006 09:19:12 -0500
On Sat, Feb 25, 2006 at 11:25:49PM -0800, Alvin Oga wrote:
hi ya
Rylan Vroom wrote:
Hello, How do you tell debian to use a local dns server before going
to = the ones maintained by my ISP?
you can't ...
You sure can.
vi /etc/resolv.conf
localhost
dns.isp.net
dns2.isp2.net
if localhost does not reply in time, it's bz ls -laR'ing, it will go
to the isp
This timeout can be adjusted in resolv.conf, or the other hosts can be
removed, although I'm not sure that's what OP meant; I suspect he just
wants priority to be given to the local DNS server. If that is the
case, it is sufficient to list it first.
adding localhost is a bad idea if you do not have
a domain configured on that machine
your-domain.com
and you should not be using your pc as a dns server either...
Running a local caching dns server is just fine, and can improve
performance. If you are serving dhcp on a network, it is more or less
required. This is quite distinct from running an authoritative DNS
server which serves requests to the internet; that should not be done on
a home PC, unless you know what you're doing. But probably only people
who do would even try.
resolv.conf(5) contains an interesting comment:
On a normally configured system this file should not be necessary.
The only name server to be queried will be on the local machine; the
domain name is determined from the host name and the domain search
path is constructed from the domain name.
No doubt this is a holdover from ancient unix tradition: a "normal"
modern system is far less likely to run a local DNS server. However, it
still doesn't hurt.
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