: DNS slows down on development environment I have a local development environment setup on my Mac. I am running an Ubuntu Web Server inside of a Virtual Box VM. I setup a host file on my

@Berryessa370

This article may be relevant: www.justincarmony.com/blog/2011/07/27/mac-os-x-lion-etc-hosts-bugs-and-dns-resolution/
They ended up running their own simple dns server on their Mac because of similar issues. This might be a fairly easy solution if you already have MacPorts installed (you could also try homebrew).

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@Cody1181609

Firebug is reporting from the host operating system and is therefore unaware of the VM's internal state - what you see as a "DNS lookup" is probably the VM starting up a worker process or otherwise processing the request before servicing the request.

You should be able to confirm whether or not this is the case by running your webserver in debug mode (-X for Apache) and monitoring the output of top within the VM.

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@Angela700

Amazon offers one year free on a micro instance I would move from your virtual box VM and put that server on an ec2 server (plenty of ubuntu public images 10.04 LTS etc). I had problems running WAMP with an application all the DNS lookups were taking forever for some reason even though I was on my local host. I couldn't figure out the reason even with host names and IP's in my hosts file. Not so much an answer but an option, local servers and DNS get fussy some times.

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