安装节点时自制程序显示符号链接错误

Question

在尝试通过自制软件重新安装节点时，我遇到了这个错误。

$ brew install node
==> Downloading https://homebrew.bintray.com/bottles/node-8.4.0.sierra.bottle.tar.gz
Already downloaded: /Users/Duncan/Library/Caches/Homebrew/node-8.4.0.sierra.bottle.tar.gz

==> Pouring node-8.4.0.sierra.bottle.tar.gz
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink share/systemtap/tapset/node.stp
/usr/local/share/systemtap/tapset is not writable.

You can try again using:
  brew link node
==> Caveats
Bash completion has been installed to:
  /usr/local/etc/bash_completion.d
==> Summary
????  /usr/local/Cellar/node/8.4.0: 4,152 files, 47.3MB
Duncans-MBP-5:~ Duncan$ brew link node
Linking /usr/local/Cellar/node/8.4.0...
Error: Could not symlink share/systemtap/tapset/node.stp
/usr/local/share/systemtap/tapset is not writable.

运行node -v 确认它没有安装。你如何去纠正这个错误？我不知道如何解释Could not symlink

Answer 1

最后一行几乎说明了原因：“/usr/local/share/systemtap/tapset 不可写。”

所以你没有权限写入那个目录。

如果你想在没有 root 权限的情况下运行 Homebrew，你应该 chown /usr/local/share/systemtap 到你的 UID，或者你应该为你的 UID 所在的组（通常是 staff，我认为）使其可写。

前者：

sudo chown -R $USER /usr/local/share/systemtap

后者：

sudo chgrp -R staff /usr/local/share/systemtap
sudo chmod -R g+w /usr/local/share/systemtap