rubygems - Operation not permitted - /usr/bin/update_rubygems

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

When I execute on osx El Capitan:

sudo gem update --system

I got the error:

Updating rubygems-update
ERROR:  While executing gem ... (Errno::EPERM)
    Operation not permitted - /usr/bin/update_rubygems

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1 Answer

深蓝 · Answer 1 · 2021-10-23T17:43:18+0000

ended up installing ruby via homebrew. Install homebrew first:

then execute

brew install ruby

after that it worked flawlessly. It has something to do with the native ruby installation.