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❯ rbenv version
system (set by /Users/eric.nguyen/.rbenv/version)
❯ rbenv local 2.4.2
❯ gem install bundler
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory.
❯ rbenv global 2.4.2
❯ ruby -v
ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin16]
❯ rbenv version
2.4.2 (set by /Users/eric.nguyen/.ruby-version)
❯ gem install bundler
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory.
❯ gem -v
2.0.14.1
Ruby version is is still 2.0.0p648
I'm on macOS Sierra 10.12.6.
I've done everything mentioned here
I've done:
rbenv rehasheval "$(rbenv init -)" in my .zshrc and source ~/.zshrc
$HOME/.rbenv/shims into $PATH (/Users/eric.nguyen/.rbenv/shims:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/eric.nguyen/Library/Android/sdk/tools:/Users/eric.nguyen/Library/Android/sdk/platform-tools:/Users/eric.nguyen/.rbenv/shims)But it still doesn't change ruby version.
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Rbenv by itself does not install Ruby implementations at all. You simply give it the path to an already installed Ruby implementation. There are several projects that make installing Ruby implementations easier.
Set Ruby version with rvm on Mac 0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default . The command rvm list will show all installed Rubies, including the current and default versions.
Restarting my computer resolve the issue.
❯ ruby -v
ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-darwin16]
❯ gem -v
2.6.13
You always need to run rbenv rehash after you install a new ruby version using rbenv and also when you install a gem that has a command line options
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