blocks|key|5371098|text|不知何故，您对/usr/local/Cellar的权限有限。Brew不喜欢与sudo一起安装，这就是它拒绝安装的原因。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5371099|检查权限：|5371100|ls+-ld+/usr/local/Cellar|5371101|打开它们以供编写：|5371102|sudo+chmod+a%2Bw+/usr/local/Cellar|5371103|entityMap^0|7|H|0|0|0|O|0|0|0|W|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|W|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|N|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|O|$]]

You somehow have limited permissions to <code>/usr/local/Cellar</code>. Brew doesn't like to install with sudo which is why it refuses.

Check the permissions:

<code>ls -ld /usr/local/Cellar</code>

Open them up for writing:

<code>sudo chmod a+w /usr/local/Cellar</code>

blocks|key|1331015|text|在使用brew时不要使用sudo+(出于安全原因)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1331016|你必须简单地设置你的权限。|1331017|因此，我会更进一步，将权限更改为：|1331018|sudo+chgrp+-R+admin+/usr/local+/Library/Caches/Homebrew
sudo+chmod+-R+g%2Bw+/usr/local+/Library/Caches/Homebrew|code-block|syntax|javascript|1331019|然后将特定的组(+admin或staff)应用到应该允许使用brew命令的用户。通过：id+-Gn)查看您的用户组。|1331020|如果还有其他问题，请运行：brew+doctor查看问题所在。|1331021|entityMap^0|3|4|C|4|0|0|0|0|9|5|F|5|U|4|17|6|0|D|B|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|10|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|11|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|12|8|@$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1B|8|@$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|T|$]]

Do not use <code>sudo</code> when working with <code>brew</code> (for security reasons).

You've to simple set-up your permissions.

So I would go even further and change the permissions to:

<pre><code>sudo chgrp -R admin /usr/local /Library/Caches/Homebrew
sudo chmod -R g+w /usr/local /Library/Caches/Homebrew
</code></pre>

and then apply the specific group (either <code>admin</code> or <code>staff</code>) to user which should be allowed to use <code>brew</code> command. Check groups of your user via: <code>id -Gn</code>).

If there are further issues, run: <code>brew doctor</code> to see what's wrong.

blocks|key|897759|text|我会更改组权限：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|897760|$+chgrp+-R+admin+/usr/local/Cellar
$+chmod+g%2Bw+/usr/local/Cellar|code-block|syntax|javascript|897761|假设您的用户帐户是组管理员。|897762|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I'd change the group permissions:

<pre><code>$ chgrp -R admin /usr/local/Cellar
$ chmod g+w /usr/local/Cellar
</code></pre>

assuming your user account is in group admin.

blocks|key|1331036|text|如果您的计算机上有多个用户，也会发生这种情况。如果是这样的话，您最好更改用户，因为其他任何方法都会让您处理比/usr/local/Cellar多得多的文件和文件夹|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1331037|使用su+userWhoInstalledBrew。|offset|length|style|CODE|1331038|entityMap^0|0|2|N|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

This also happens if you have multiple users on your machine. If so, it would be best for you to change the user since every other approach would have you messing around with a lot more files and folders than just /usr/local/Cellar

Use <code>su userWhoInstalledBrew</code>.

blocks|key|5371239|text|可以通过将目录的所有者更改为当前用户来解决此问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5371240|sudo+chown+-R+$USER+/usr/local|code-block|syntax|javascript|5371241|这个答案来自：https://github.com/Homebrew/homebrew/issues/17884|offset|length|5371242|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/Homebrew/homebrew/issues/17884^0|0|0|7|1D|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

The problem can be solved by changing the directory's owner to the current user:

<pre><code>sudo chown -R $USER /usr/local
</code></pre>

This answer is taken from: <a href="https://github.com/Homebrew/homebrew/issues/17884" rel="nofollow">https://github.com/Homebrew/homebrew/issues/17884</a>

blocks|key|897824|text|按照chukcha14在There+is+no+Cellar+file+in+my+usr/local+dir+for+brew的回答中提供的建议，我这样做了：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|897825|jaimes-mbp:SMR+jaimemontoya$+brew+install+mongodb-community@4.2
Warning:+You+are+using+OS+X+10.15.
We+do+not+provide+support+for+this+pre-release+version.
You+may+encounter+build+failures+or+other+breakages.
Error:+Could+not+create+/usr/local/Cellar
Check+you+have+permission+to+write+to+/usr/local
jaimes-mbp:SMR+jaimemontoya$+sudo+mkdir+/usr/local/Cellar
Password:
jaimes-mbp:SMR+jaimemontoya$+sudo+chown+$(whoami)+/usr/local/Cellar
jaimes-mbp:SMR+jaimemontoya$+brew+install+mongodb-community@4.2
Warning:+You+are+using+OS+X+10.15.
We+do+not+provide+support+for+this+pre-release+version.
You+may+encounter+build+failures+or+other+breakages.
==>+Installing+mongodb-community+from+mongodb/homebrew-brew
==>+Downloading+https://fastdl.mongodb.org/osx/mongodb-macos-x86_64-4.2.3.tgz
######################################################################################+100.0%25
Error:+Failed+to+install+plist+file
Error:+The+`brew+link`+step+did+not+complete+successfully
The+formula+built,+but+is+not+symlinked+into+/usr/local
Could+not+symlink+.
/usr/local/opt+is+not+writable.

You+can+try+again+using:
++brew+link+mongodb-community
Warning:+The+post-install+step+did+not+complete+successfully
You+can+try+again+using+`brew+postinstall+mongodb/brew/mongodb-community`
==>+Caveats
To+have+launchd+start+mongodb/brew/mongodb-community+at+login:
++ln+-sfv+/usr/local/opt/mongodb-community/*.plist+~/Library/LaunchAgents
Then+to+load+mongodb/brew/mongodb-community+now:
++launchctl+load+~/Library/LaunchAgents/homebrew.mxcl.mongodb-community.plist
Or,+if+you+don't+want/need+launchctl,+you+can+just+run:
++mongod+--config+/usr/local/etc/mongod.conf
==>+Summary
++/usr/local/Cellar/mongodb-community/4.2.3:+20+files,+304M,+built+in+110+seconds
jaimes-mbp:SMR+jaimemontoya$+sudo+mkdir+/usr/local/opt
jaimes-mbp:SMR+jaimemontoya$+sudo+chown+$(whoami)+/usr/local/opt
jaimes-mbp:SMR+jaimemontoya$+brew+link+mongodb-community
Linking+/usr/local/Cellar/mongodb-community/4.2.3...+13+symlinks+created
jaimes-mbp:SMR+jaimemontoya$+|code-block|syntax|javascript|897826|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/47256429/there-is-no-cellar-file-in-my-usr-local-dir-for-brew^0|C|1G|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Following the advice chukcha14 provided in his answer at <a href="https://stackoverflow.com/questions/47256429/there-is-no-cellar-file-in-my-usr-local-dir-for-brew">There is no Cellar file in my usr/local dir for brew</a>, I did this:

<pre><code>jaimes-mbp:SMR jaimemontoya$ brew install mongodb-community@4.2
Warning: You are using OS X 10.15.
We do not provide support for this pre-release version.
You may encounter build failures or other breakages.
Error: Could not create /usr/local/Cellar
Check you have permission to write to /usr/local
jaimes-mbp:SMR jaimemontoya$ sudo mkdir /usr/local/Cellar
Password:
jaimes-mbp:SMR jaimemontoya$ sudo chown $(whoami) /usr/local/Cellar
jaimes-mbp:SMR jaimemontoya$ brew install mongodb-community@4.2
Warning: You are using OS X 10.15.
We do not provide support for this pre-release version.
You may encounter build failures or other breakages.
==&gt; Installing mongodb-community from mongodb/homebrew-brew
==&gt; Downloading https://fastdl.mongodb.org/osx/mongodb-macos-x86_64-4.2.3.tgz
###################################################################################### 100.0%
Error: Failed to install plist file
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink .
/usr/local/opt is not writable.

You can try again using:
 brew link mongodb-community
Warning: The post-install step did not complete successfully
You can try again using `brew postinstall mongodb/brew/mongodb-community`
==&gt; Caveats
To have launchd start mongodb/brew/mongodb-community at login:
 ln -sfv /usr/local/opt/mongodb-community/*.plist ~/Library/LaunchAgents
Then to load mongodb/brew/mongodb-community now:
 launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb-community.plist
Or, if you don't want/need launchctl, you can just run:
 mongod --config /usr/local/etc/mongod.conf
==&gt; Summary
 /usr/local/Cellar/mongodb-community/4.2.3: 20 files, 304M, built in 110 seconds
jaimes-mbp:SMR jaimemontoya$ sudo mkdir /usr/local/opt
jaimes-mbp:SMR jaimemontoya$ sudo chown $(whoami) /usr/local/opt
jaimes-mbp:SMR jaimemontoya$ brew link mongodb-community
Linking /usr/local/Cellar/mongodb-community/4.2.3... 13 symlinks created
jaimes-mbp:SMR jaimemontoya$ 
</code></pre>

blocks|key|5371273|text|有趣的是，由于磁盘空间不足，我收到了Error:+Cannot+write+to+/usr/local/Cellar消息。:/+(左侧18MB+)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5371274|entityMap^0|I|14|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

funny but I received the <code>Error: Cannot write to /usr/local/Cellar</code> message due to lack of disk space .. :/ ( 18MB left )

I have a standard homebrew install inside of usr/local/

When I try:

<pre><code>Larson-2:~ larson$ brew install postgresql
Error: Cannot write to /usr/local/Cellar
</code></pre>

And when I use sudo:

<pre><code>Larson-2:~ larson$ sudo brew install postgresql
Cowardly refusing to `sudo brew install'
</code></pre>

What am I doing wrong?

Homebrew install permissions issue

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在usr/local/中安装了一个标准的自制软件当我尝试的时候：Larson-2:~ larson$ brew install postgresqlError: Cannot write to /usr/local/Cellar当我使用sudo时：Larson-2:~ larson$ sudo brew install postgresqlCowardly refusing to `sudo b

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