The insides of your laptop

Clean up broken .dev domains

The brilliant tool puma-dev is a great way to manage and run rack apps on your local machine in development, particularly on a Mac.

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However, puma-dev used to default to using the .dev suffix on your locally running websites. The default is now .test.

As of March 2019, .dev domains are now a real top-level domain on the internet, that you can buy. Use DNSimple! (referral link)

As a long term user of puma-dev, you might find that trying to navigate to “live on the internet” .dev sites might fail because of the original setup of the tool. In Chrome you see a DNS_PROBE_FINISHED_NXDOMAIN error.

Even using the uninstall instructions failed to fix this issue for me, but you should try those first.

If you have completely uninstalled puma-dev and you still can’t resolve .dev sites here are a few commands to find and destroy the remnants on my machine.

Last warning: Please use the puma-dev uninstaller first. Use these commands at your own risk.

These commands have been tested on Mac OS 10.14 Mojave.

# Remove local overwritten resolver for .dev
rm /etc/resolver/dev
# Restart and clear the Mac OS X DNS resolver
sudo killall -HUP mDNSResponder

Here are a few other places I found puma-dev files and configuration that weren’t cleaned up by the uninstaller. I delted them too.

# local site config
# cached install files
# cached linked executable
# generated SSL certificates
~/Library/Application\ Support/

Once I was done wiping it clean… I reinstalled the latest version, all local domains on .test. Worked perfectly.

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Last updated on March 13th, 2019 by @andycroll

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