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Error: Cannot Write To /Usr/Local/Cellar

Error: Cannot Write To /Usr/Local/Cellar. You should change the ownership and permissions of /usr/local/cellar back to your user account: If a brew tries to write.

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If you get the following error when trying to install or upgrade packages on your mac by using homebrew: Check you have permission to write to /usr/local. Deanq opened this issue on aug 28, 2017 · 0 comments.

This Can Happen If You Sudo Make Install Software That Isn't Managed By.


==> the following directories will be made group writable: Cannot write to /usr/local/cellar warning: I followed the install instructions, and when i type brew upgrade, i get:

Deanq Opened This Issue On Aug 28, 2017 · 0 Comments.


I was trying to reset the permissions but some packages weren't able to install anyway. I am used to macports, and i wanted to try homebrew. ==> the following directories will have their group set.

Check You Have Permission To Write To /Usr/Local.


I then tried to do it with sudo but it did not work, which i guest would would not. I had exactly same issue. You should change the ownership and permissions of /usr/local/cellar back to your user account:

If You Get The Following Error When Trying To Install Or Upgrade Packages On Your Mac By Using Homebrew:


Ruby fixbrew.rb ==> this script will fix permissions on: If a brew tries to write. Instantly share code, notes, and snippets.

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