By Prateek Dewan

2019-03-11 16:59:01 8 Comments

I recently upgraded my Mac from 10.13 to 10.14 and I can't seem to find my Homebrew. /usr/local is practically empty; just MySQL remains. Does brew get removed after an OS upgrade? Should I install it from scratch? What about the packages I installed using homebrew on the older version?


@Ezekiel Elin 2019-03-11 17:38:16

You should run brew update and see what happens. If Homebrew refuses to run, reinstall it using the command at

You should then run brew upgrade to make sure you're running the latest packages. If brew list shows no packages, then it looks like you'll have to re-install these packages.

@Prateek Dewan 2019-03-12 06:17:03

Tried. "brew update" threw a "command not found" error. I've reinstalled Homebrew and ended up reinstalling some other packages. What I'm not able to understand is how/why brew got removed on an OS upgrade when all my other installations and files are fine... :(

@Ezekiel Elin 2019-03-26 15:15:49

@PrateekDewan I do not know specifically why, but some parts of the system are reset by the system update

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