运行“gem install bundler”时出现权限被拒绝错误

Question

I'm setting up my environment to run Cucumber/Rspec with Ruby and Capybara.

However, when I run the command "sudo gem install bundler" the error below is being returned:

Permission denied @ rb_sysopen

I've seen lots of answers for this problem on Google however still not working.

Could you guys help me?

Technical info

- Mac
- ruby 2.3.7
- RUBYGEMS VERSION: 3.0.3

Output

ERROR:  While executing gem ... (Errno::EACCES)
Permission denied @ rb_sysopen - 
/Library/Ruby/Gems/2.3.0/gems/bundler-2.0.2/CHANGELOG.md

Thanks!

Answer 1

you are using the system's ruby and now you need to root level permission to to install bundler. Sudo enables root privileges. Check if your account has root privileges.

I prefer using a version and manager like rbenv . Install rbenv . then install the required version of ruby and then install bundler.

Answer 2

You might want to use ruby installers like rvm.io or rbenv to install ruby. You are using system ruby which needs root access of the system to install gems.