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Posted by J K
J K
Courses Plus Student 10,046 Points

Error using the command line

I have the latest version of Ruby already installed on my Mac. I've tried installing Ruby on Rails and I get this error message. ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory.

I also have tried installing Sass and I get the same thing. I'm new at using the command line, so I'm sure it's something simple that I'm doing wrong in both cases.

3 Answers

Crisoforo Gaspar Hernández
Crisoforo Gaspar Hernández
18,302 Points
Crisoforo Gaspar Hernández
Crisoforo Gaspar Hernández
18,302 Points

May be it's a issue with the user you're logged in. You should try with the user sudo:

```$ sudo gem …

Nick Fuller
Nick Fuller
9,027 Points
Nick Fuller
Nick Fuller
9,027 Points

Crisoforo is right. However, I would suggest you install a version manager like rvm or rbenv. These do not require you to provide administrative privileges when running commands.

J K
PLUS
J K
Courses Plus Student 10,046 Points
J K
J K
Courses Plus Student 10,046 Points

Great, I'll try your suggestions. Thank you both.