Gem install can't find binary after updating Ruby

I always use rbenv,Until this time after updating cocoapods,Execution error,of course,Visual inspection should be caused by my ruby ​​environment being too old,So I tried rbenv install 3.0.2 ,But unfortunately,Reported an error,Go to the official warehouse of rbenv to take a look,The last version is still 2019...Okay,[……]

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How to use the gem in the country

If you want to know Ruby,Ruby or want to install several software packages on your computer,You can easily use RubyGems a key to download - just like in the Ubuntu apt-get、Similar redhat in the yum etc.。

So,Want to install Ruby packages,You will need to gem。but,Installation gem (except if your electricity[……]

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