waldo kitty wrote:
On 4/8/2013 14:54, Mark Morgan Lloyd wrote:
waldo kitty wrote:
On 4/8/2013 11:03, Mark Morgan Lloyd wrote:
How best to get the (internet-style) domain name of a system?
GetDomainName()
appears to be returning "(none)" here on x86 Linux.
do you mean the FQDN (Fully Qualified Domain Name)??
I mean that on the machine I'm working on the hostname is pye-dev-01
and the
domain name is telemetry.co.uk. I was under the impression that
GetDomainName()
should return the latter, but apart from anything else it's unix-only
and whilst
Windows is not somewhere I want to go today I'd like a portable
solution if
possible.
ok... you are looking for the FQDN, then... the question is how is this
machine referenced and its FQDN created and maintained... it would seem
that you would have a DNS server that would return this information...
it sounds like your machine only has its host name defined and there is
nothing else DNS-wise that returns the rest of the domain name...
from the machine you are trying to perform this look up from, what do
you get if you do the following?
nslookup pye-dev-01
Server: 192.168.1.1
Address: 192.168.1.1#53
Name: pye-dev-01.telemetry.co.uk
Address: 192.168.1.16
nslookup pye-dev-01.telemetry.co.uk
Server: 192.168.1.1
Address: 192.168.1.1#53
Name: pye-dev-01.telemetry.co.uk
Address: 192.168.1.16
using the last one, i get the message that that machine doesn't exist...
of course, i'm on the outside and access to this machine may not be
allowed from outside... not even finding its address...
As you can see, that's an internal (RFC 1918 IIRC) address.
i don't see this as linux or windows centric... what i'm seeing seems to
point to a DNS configuration situation... you might be able to handle
this with a local entry in your HOSTS file...
[crystalball] get nslookup working first. your code should work.
[/crystalball]
OK, that's no big deal. But it looks like GetDomainName() doesn't quite
do what it says on the can :-)
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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