can't run gatsby develop about gatsby-starter-builder HOT 3 CLOSED

Hi @j2l , this sounds like an issue of a missing globally installed node modules, try using npm run develop instead or follow the steps here to fix your global node modules path:
https://stackoverflow.com/questions/15054388/global-node-modules-not-installing-correctly-command-not-found/15623632#15623632

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Thank you @teleaziz
Actually, when starting with a fresh new gatsby, then adding builder it worked.

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Personally when I install gatsby under ubuntu, I always have to do: sudo npm install -g gatsby-cli
then I sudo chown -R :users /usr/lib/node_modules/ because my user is in that group.

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