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Last active November 21, 2020 10:33
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Fix gem install error - MacOS Bug Sur
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gem-install-error-fix.md

If you get this error message:

ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /usr/bin directory.

Fix

sudo gem install [gem-name] -n /usr/local/bin



Source: https://stackoverflow.com/a/50458569/12854787

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