Can't use "gem update --system" with rbenv

Asked May 23 '17 at 18:42

Active May 23 '17 at 19:57

Viewed 419 times

I am trying to run:

gem update --system

But I get back.

Updating rubygems-update
Fetching: rubygems-update-2.6.12.gem (100%)
ERROR:  While executing gem ... (Gem::FilePermissionError)
    You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory.

I am using .zhrc for my shell.

This post seems to relate but I added what was prescribed to my .zhrc file and it didn't work.

Any help would be appreciated!

UPDATE MAY 23rd

I tried:

sudo chown -R $USER /Library/Ruby/Gems/2.0.0

But now when running:

gem update --system

Updating rubygems-update
Successfully installed rubygems-update-2.6.12
Parsing documentation for rubygems-update-2.6.12
Installing RubyGems 2.6.12
ERROR:  While executing gem ... (Errno::EACCES)
    Permission denied - /Library/Ruby/Site/2.0.0/rubygems.rb

edited May 23 '17 at 19:57

asked May 23 '17 at 18:42

Antonio Pavicevac-Ortiz

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`sudo chown -R $USER /Library/Ruby/Gems/` did not work? – whodini9 May 23 '17 at 18:48
@whodini9 I thought you weren't supposed to use `sudo` ? – Antonio Pavicevac-Ortiz May 23 '17 at 18:51
I think the general recommendation is to not use a sudo with the `gem` command itself, because this installs the gem **as root**. Either way the shell that you are in does not have write access to the gems folder... `chown` will fix that. – whodini9 May 23 '17 at 18:57
@whodini9 Thanks, but now I get what I updated above... – Antonio Pavicevac-Ortiz May 23 '17 at 19:56
I would try the same chown command for `/Library/Ruby/Site` I don't have a good answer for why this is happening, are you possibly using a ruby manager like rbenv / rvm? – whodini9 May 23 '17 at 20:18
That worked, thanks my friend! Sorry for the late reply, thanks again! – Antonio Pavicevac-Ortiz May 24 '17 at 01:17

Can't use "gem update --system" with rbenv

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