Environment: MAC.
When learning rails, follow the official documents. Errors may be reported at this step
gem install railsERROR: While executing gem … (Gem::FilePermissionError)
Even if sudo is used to force the installation, an error will be reported in the next step.
rails new blog`auth_ data=’: couldn’t set additional authenticated data
Solution:
Installing Ruby under MacOS – 🎄 Adomikao Yu Yongjian
The reason for the error is that the MAC installs ruby in the/usr/bin directory by default. This directory has strict permissions, resulting in code execution failure. The solution is to use RVM to install ruby in the user directory without affecting the system environment.
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