Installs and configures dnsmasq on osx (for local resolution of development machines e.g virtualbox). Cudos to Alan Ivey http://www.echoditto.com/blog/never-touch-your-local-etchosts-file-os-x-again

enable_dnsmasq_on_osx.sh

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# installing dnsmasq and enable daemon
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brew install dnsmasq
sudo cp -v $(brew --prefix dnsmasq)/homebrew.mxcl.dnsmasq.plist /Library/LaunchDaemons
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# adding resolver for dev domain
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[ -d /etc/resolver ] || sudo mkdir -v /etc/resolver
sudo bash -c 'echo "nameserver 127.0.0.1" > /etc/resolver/dev'
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# configuring dnsmasq
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cat >> $(brew --prefix)/etc/dnsmasq.conf <<-EOF
address=/.dev/192.168.56.101
EOF
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# launching dnsmasq
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sudo launchctl load -w /Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist
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# restarting dnsmasq command
# sudo launchctl stop homebrew.mxcl.dnsmasq
# sudo launchctl start homebrew.mxcl.dnsmasq
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