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Subject: Re: alter resolv.conf nameservers on linux
From: Caleb Call <calebcall@me.com>
In-reply-to: <2194F127-5F25-4EFE-A8B0-C941075C11D5@me.com>
Date: Wed, 07 Nov 2012 17:06:47 -0700
Message-id: <2EC69BE4-554D-462B-8034-3152648E527E@me.com>
References: <CCC02BE2.36179%chiradeep.vittal@citrix.com>
 <2194F127-5F25-4EFE-A8B0-C941075C11D5@me.com>
To: cloudstack-users@incubator.apache.org

#2 doesn't work.  It still stomps /etc/resolv.conf with what's provided by the routervm.
 
On Nov 7, 2012, at 4:48 PM, Caleb Call <calebcall@me.com> wrote:

> Thanks, #2 looks perfect.  I'll give that a shot.
> 
> On Nov 7, 2012, at 4:29 PM, Chiradeep Vittal <Chiradeep.Vittal@citrix.com> wrote:
> 
>> That should not be necessary. The DNS server in the router is a forwarder:
>> 1. If the target of the DNS resolve is for a VM it has served DHCP to, it
>> responds with the entry
>> 2. If not, it forwards it to the 'zone' dns server.
>> 
>> Or, you can set use.external.dns to 'true', restart the management server
>> and restart (from the api/ui) the virtual router.
>> But if you do, you won't get #1.
>> 
>> On 11/7/12 3:12 PM, "Alex Huang" <Alex.Huang@citrix.com> wrote:
>> 
>>> In 4.0, what I would do is this.
>>> 
>>> - Write a plugin.
>>> - Listen to vm start events.
>>> - On router vm start, ssh into the router vm and change the resolv.conf
>>> 
>>> In the next release, Murali have added proper external event system then
>>> you don't even need to do this via a plugin.
>>> 
>>> --Alex
>>> 
>>> -----Original Message-----
>>> From: Caleb Call [mailto:calebcall@me.com]
>>> Sent: Wednesday, November 07, 2012 3:06 PM
>>> To: cloudstack-users@incubator.apache.org
>>> Subject: Re: alter resolv.conf nameservers on linux
>>> 
>>> Good question, I've been meaning to ask this same thing and keep
>>> forgetting to.  I think I've read that you have to edit the config on the
>>> router vm, but that doesn't persist a reboot of the router vm.  Is there
>>> a better way to do this?
>>> 
>>> 
>>> On Nov 7, 2012, at 3:18 PM, "Musayev, Ilya" <imusayev@webmd.net> wrote:
>>> 
>>>> How would I pass on my nameservers in resolv.conf of an instance,
>>>> instead of router vms IP?
>>>> 
>>>> As of now, my nameserver is set to ip address of router vm.
>>>> 
>>>> 
>>>> Thanks
>>>> ilya
>>> 
>> 
>