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I have been trying to use brew to install tmux but every time I put in brew install tmux it would tell me:

Error: Could not create /usr/local/Cellar 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 seeing that brew does not want to be used with root. I have already made sure that all the files that are in /usr/local belong to me. I can’t change the /usr/local file; it says: “Operation not permitted”. How can I fix this so Cellar can be created and allow me to install stuff using brew?

StrangeRanger
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4 Answers4

20

I solved it by creating the /usr/local/Cellar directory (and any other directories it may require) by hand and owning them.

sudo mkdir /usr/local/Cellar
sudo chown -R $(whoami) /usr/local/Cellar

Then rerun your command.

iFreilicht
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chukcha14
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10

i found mine also in

/opt/homebrew/Cellar

mac m1(if this info helps

amgma
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    Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Jan 14 '22 at 00:21
  • I could not find this yet in the homebrew docs. Happy to have at least found it here. – Sjoerd222888 Jul 08 '22 at 08:04
7

Before run any brew command do these steps:

1- $ brew update

2- brew doctor

3- If brew doctor shows the warning or error, just fix them , it also shows the solution and the command that you need so copy & paste the command & run it, that's simple

4- install what you need, for example node : 

brew install node
Hamed Jaliliani
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2

I found my Cellar directory in

/opt/homebrew/Cellar/

Crabigator360
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