Installing Homebrew on Apple MacBook Air with M1 CPU

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LedZepplin Author

Level 1

4 points

Installing Homebrew on Apple MacBook Air with M1 CPU

When I install Homebrew it gave me a warning that it (Homebrew) is not in my path.

Okay. I know Unix /Linux.

Which file do I add this new path PATH=/opt/homebrew/bin:$PATH

but to either edit ~/.zshrc or ~/.bashrc. Now as I said I am on a Mack Air with

an M1. It is understandable that a the Homebrew is not in my path. But I need to

which file ~/.zshrc or ~/.bashrc. is not enough. Specifically which file and where is it?

My knowledge pf Unix tells me it is a hidden file behind. the Desktop.

It says on the internet to use

export PATH=/opt/homebrew/bin:$PATH.

But doesn't that just make the additional path temporary. If I sign off and comeback in a month I would have to perform the again.

What command would put that in the correct hidden file and leave it there - permanently?

Any help appreciated. Thanks in advance.

Respectfully,

Led_Zepplin

Posted on Jan 4, 2021 12:18 PM

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Answer 1

John Galt

Level 10

155,270 points

Jan 4, 2021 7:26 PM in response to LedZepplin

echo "export PATH=/opt/homebrew/bin:$PATH" >> ~/.bashrc

I don't see why not but you're on the leading edge of the subject. I have not attempted to install homebrew on Big Sur let along an M1 Mac. It's very new.

Somebody has to be first though. If it were me I'd be on stackoverflow or Github. Forget the Goolag cesspit.

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Answer 2

Jan 4, 2021 12:50 PM in response to LedZepplin

I'm a bit rusty at this but I believe that you need

to use the "setenv" command (set environment).

I believe that that command makes it "sticky".

i.e. setenv PATH "/opt/homebrew/bin:$PATH"

Otherwise, I believe you need to create a ~/,zshenv

file and this should amend the current environment

variables since there is not a user accessible "rc" file

and the environment variables are loaded by the system

and set by system wide and user preferences and are a

pretty standard set of environment variables. Just do an

"env" and you'll see what defaults are loaded.

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Answer 3

LedZepplin Author

Level 1

4 points

Jan 4, 2021 12:57 PM in response to LedZepplin

I tried the following commands to change the path and they did not work.

[/code]

login: Mon Jan 4 15:33:37 on ttys000

xxxx-xxxxxxr@Jamess-Air ~ % echo $PATH

/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

xxxxxxxxxxx@Jamess-Air ~ % homebrew

zsh: command not found: homebrew

xxxxxxxxxxx@Jamess-Air ~ % export PATH=/opt/homebrew/bin:$PATH

xxxxxxxxxxx@Jamess-Air ~ % homebrew

zsh: command not found: homebrew

xxxxxxxxxxx@Jamess-Air ~ % echo $PATH

/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

-Air ~ % homebrew

zsh: command not found: homebrew

xxxxxxxxxxx@Jamess-Air ~ %

[code]

How do I get the Honebrew directory in my PATH?

Respectfully,

Led_Zepplin

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Answer 4

LedZepplin Author

Level 1

4 points

Jan 4, 2021 1:52 PM in response to LedZepplin

Sorry about the immediate above post, I should query brew not homebrew. My error and I apologize.

Again since Bur Sur has a bashrc and a zshrc where should I put the additional path command?

Respectfully,

Led_Zepplin

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Answer 5

John Galt

Level 10

155,270 points

Jan 4, 2021 4:30 PM in response to LedZepplin

I suppose the answer depends on the shell you're using: bash or zsh. You probably ought to start from the beginning and describe how you came upon what you're attempting to do.

I installed brew (not homebrew) but it was prior to Big Sur, and I haven't done much with it since. Installing brew was straightforward.

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Answer 6

LedZepplin Author

Level 1

4 points

Jan 4, 2021 6:52 PM in response to John Galt

Okay. I just started in the world. of Macs and Big Sur. I have a MacBook Air with an M1 CPU. I want to install jupyter notebook This is an IDE for machine learning that I have used for years on Linux, and Windows 10. I am intrigued by the M1's neural engine. I want speed and the M1 seems to deliver.

If I can find the link of the install procedure, I will post it in a future post.

To install jupyter notebook along the way I had to install homebrew. I installed it, but the install warned me that homebrew was not in my path. The homebrew install was successful, however. This happens with installing homebrew on an Apple Mac with the M1 CPU.

So now I must add a new path segment. If I write this

export PATH=/opt/homebrew/bin:$PATH

That should do it, but it is only temporary. If I sign off and come back in a week, then I must do it again. I remember from linux/Unix that to make it permanent one must put that command above at the .bashrc and then it will be permanent.

I cannot even find the .bashrc file in Big Sur. If I could and would add it straightaway.

I was confused when all the instructions I found on Google mentioned not one, but two files. So where do I put it?

You said in .bashrc and that sounds correct to me.

Can I use the command

echo "export PATH=/opt/homebrew/bin:$PATH" >> ~/.bashrc

?

Will this work? If so then I think my issue is resolved. Please. excuse such basic questions about the Mac and its OS. I have been using MACs only for one week.

Any help appreciated.

Respectfully,

Led_Zepplin

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Answer 7

Andrewec

Level 1

12 points

Feb 3, 2021 3:47 AM in response to John Galt

I've got it working on my M1 MacBook Air without running terminal with Rosetta 2, for school, so it looks like there's no issue. I don't even get some compatibility error with the M1 architecture as mentioned above.

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Answer 8

John Galt

Level 10

155,270 points

Jan 4, 2021 1:26 PM in response to LedZepplin

See if this answer addresses it: Getting a warning when installing homebrew on MacOS Big Sur (M1 chip)

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Installing Homebrew on Apple MacBook Air with M1 CPU

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