blocks|key|1760651|text|我卸载了目前为止安装的homebrew+(libevent依赖项)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760652|brew+uninstall+libevent|code-block|syntax|javascript|1760653|然后对usr/local目录执行chow+ned命令：|1760654|sudo+chown+-R+$(whoami)+/usr/local|1760655|然后再次尝试安装memcached，它成功了：|1760656|brew+install+memcached|1760657|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

I uninstalled what homebrew had so far installed (libevent dependency):

<pre><code>brew uninstall libevent
</code></pre>

Then chow-ned the usr/local directory:

<pre><code>sudo chown -R $(whoami) /usr/local
</code></pre>

Then tried to install memcached again and it worked:

<pre><code>brew install memcached
</code></pre>

blocks|key|3140024|text|从High+Sierra开始，/usr/local不再可更改。a+Homebrew+issue中建议的新过程是：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3140025|sudo+chown+-R+$(whoami)+$(brew+--prefix)/*|code-block|syntax|javascript|3140026|仅供参考:如果缺少所需的/usr/local子文件夹(例如./include或./Frameworks)，则必须首先对它们进行mkdir|3140027|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/Homebrew/brew/issues/3228^0|V|G|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

As of High Sierra, /usr/local is no longer chown-able. The new procedure suggested in <a href="https://github.com/Homebrew/brew/issues/3228" rel="noreferrer">a Homebrew issue</a> is: 

<pre><code>sudo chown -R $(whoami) $(brew --prefix)/*
</code></pre>

FYI: If required /usr/local subfolders (e.g. ./include or ./Frameworks) are missing, you'll have to mkdir them first

blocks|key|1415613|text|感谢你更新你自己的问题，这对我帮助很大。我修复了这个问题，通过使/usr/local中的所有位置都可以写入组，因为我已经是管理员组中的一员。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1415614|为此，只需使用以下命令|1415615|sudo+chmod+-R+g%2Bw+/usr/local|code-block|syntax|javascript|1415616|entityMap^0|W|A|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|S|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

Thanks for updating your own question this helped me a lot. I fixed this issue by making all locations in <code>/usr/local</code> writable to group as I am already in the admin group.

To do this just use the following command

<pre><code>sudo chmod -R g+w /usr/local
</code></pre>

blocks|key|1760729|text|在我执行了@septerr答案中的建议后，我仍然无法通过自制软件安装迦太基……经过谷歌搜索，我发现了这个:+Gist+https://gist.github.com/dalegaspi/7d336944041f31466c0f9c7a17f7d601|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1760730|不管怎样..。得到了这个：|1760731|Error:+An+unexpected+error+occurred+during+the+'brew+link'+step+The+formula+built,+but+is+not+symlinked+into+/usr/local+Permission+denied+@+dir_s_mkdir+-+/usr/local/Frameworks+Error:+Permission+denied+@+dir_s_mkdir+-+/usr/local/Frameworks|style|CODE|1760732|是这样做的：|1760733|sudo+chown+-R+$(whoami)+$(brew+--prefix)/*|1760734|和|1760735|sudo+install+-d+-o+$(whoami)+-g+admin+/usr/local/Frameworks|1760736|之后，is成功地安装了迦太基|1760737|entityMap|0|LINK|mutability|MUTABLE|url|https://gist.github.com/dalegaspi/7d336944041f31466c0f9c7a17f7d601^0|1N|1U|0|0|0|0|6M|0|0|0|16|0|0|0|1N|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|D|3|E|5|6|7|15|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|16|8|@$A|17|B|18|H|I]]|9|@]|C|$]]|$1|J|3|K|5|6|7|19|8|@]|9|@]|C|$]]|$1|L|3|M|5|6|7|1A|8|@$A|1B|B|1C|H|I]]|9|@]|C|$]]|$1|N|3|O|5|6|7|1D|8|@]|9|@]|C|$]]|$1|P|3|Q|5|6|7|1E|8|@$A|1F|B|1G|H|I]]|9|@]|C|$]]|$1|R|3|S|5|6|7|1H|8|@]|9|@]|C|$]]|$1|T|3|-4|5|6|7|1I|8|@]|9|@]|C|$]]]|U|$V|$5|W|X|Y|C|$Z|10]]]]

after i performed the suggestions in @septerr answer, i still was unable to install carthage via homebrew... after some googleing i found this: Gist <a href="https://gist.github.com/dalegaspi/7d336944041f31466c0f9c7a17f7d601" rel="noreferrer">https://gist.github.com/dalegaspi/7d336944041f31466c0f9c7a17f7d601</a>

Anyway... got this:

<code>Error: An unexpected error occurred during the 'brew link' step The formula built, but is not symlinked into /usr/local Permission denied @ dir_s_mkdir - /usr/local/Frameworks Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks</code>

did this: 

<code>sudo chown -R $(whoami) $(brew --prefix)/*</code>

and 

<code>sudo install -d -o $(whoami) -g admin /usr/local/Frameworks</code>

after that is was able to install carthage successfully

blocks|key|1415633|text|自El+Capitan以来，/usr/local中的文件权限似乎已经更改，导致了我的上述问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1415634|我建议这样做，而不是选择解决方案：|1415635|sudo+chown+-R+:staff+/usr/local|code-block|syntax|javascript|1415636|这将适用于所有用户|1415637|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

It seems that since El Capitan the file permissions in /usr/local have been changed, causing the above problem for me.

Instead of the chosen solution I suggest to do a:

<pre><code>sudo chown -R :staff /usr/local
</code></pre>

This will work for all users

blocks|key|1760433|text|防止了Symlink错误|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1760434|brew+install+pyenv|offset|length|style|CODE|1760435|在macOS+Big+Sur+11.6.2.|1760436|@sean-denigris建议的解决方案起作用了|1760437|sudo+chown+-R+$(whoami)+$(brew+--prefix)/*|1760438|在此之前，我已经尝试过@marko提出的解决方案。|1760439|sudo+chmod+-R+g%2Bw+/usr/local|1760440|这给出了以下错误|1760441|chmod:+Unable+to+change+file+mode+on+/usr/local:+Operation+not+permitted|1760442|entityMap^0|0|0|I|0|0|0|0|16|0|0|0|S|0|0|0|20|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Y|8|@$D|Z|E|10|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|11|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|12|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|13|8|@$D|14|E|15|F|G]]|9|@]|A|$]]|$1|N|3|O|5|6|7|16|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|17|8|@$D|18|E|19|F|G]]|9|@]|A|$]]|$1|R|3|S|5|6|7|1A|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|1B|8|@$D|1C|E|1D|F|G]]|9|@]|A|$]]|$1|V|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|W|$]]

Symlink errors prevented
<code>brew install pyenv</code>
on macOS Big Sur 11.6.2.
Solution suggested by @sean-denigris worked
<code>sudo chown -R $(whoami) $(brew --prefix)/*</code>
Before this I had tried the solution proposed by @marko
<code>sudo chmod -R g+w /usr/local</code>
that gave the following error
<code>chmod: Unable to change file mode on /usr/local: Operation not permitted</code>

I am trying to install memcached using:

<pre><code>brew install memcached
</code></pre>

This ends in error about homebrew not being able to create a symlink:

<pre><code>The linking step did not complete successfully
The formula built, but is not symlinked into /usr/local
</code></pre>

Help!

Homebrew Symlink Error

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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我正在尝试使用以下命令安装memcached：brew install memcached这以有关homebrew无法创建符号链接的错误而告终：The linking step did not complete successfullyThe formula built, but is not symlinked into /usr/local帮助!

问Homebrew Symlink错误
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