A. ) Temporary Solution
If you installed new version of ruby, but ruby -v still showing old version.
- Install rbenv by following commnd:
$ brew install rbenv
$ export PATH=”$HOME/.rbenv/bin:$PATH”
$ eval “$(rbenv init -)”
Check ruby version by ruby -v command
B. ) Permanent Solution
- Open up Terminal.
- Run the following command:
sudo nano /etc/paths - Enter your password, when prompted.
- Go to the bottom of the file, add $HOME/.rbenv/bin at the top of file
- Hit control-x to quit.
- $ vi ~/.zshrc
- Add eval “$(rbenv init -)” code in file, if it doesn’t exists then create new one.
- Check ruby -v after open new terminal