I followed this guide: http://samsoff.es/posts/how-to-install-ruby-193
I typed rbenv install 1.9.3-p125 in the console.
Ruby installs OK but when I run ruby -v it still says version 1.8.7.
What needs to be changed for it to work?
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4 Answers
The solution was to add eval "$(rbenv init -)" to my bash_login file.
You need to switch to the new version, one of three ways:
- temporarily:
rbenv shell 1.9.3-p125set a .rbenv-version file in - the current directory:
rbenv local 1.9.3-p125set the default - version for your user:
rbenv global 1.9.3-p125
answered Apr 23, 2012 at 16:16
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And, conversely, to return to a system version use
rbenv global system, where "global" could also be "shell", "local". Commented Apr 23, 2012 at 19:03 -
Yes thats in the tutorial, I did
rbenv global 1.9.3-p125but ruby -v still says 1.8.7?– mdcCommented Apr 23, 2012 at 22:21 -
What is the output of
rbenv versionandrbenv versions? Commented Apr 23, 2012 at 22:56 -
OK this line:
eval "$(rbenv init -)"switches the ruby version. After I type that and thenruby -vI getruby 1.9.3p125 (2012-02-16 revision 34643) [x86_64-darwin11.3.0]- BUT - after I restart the terminal and type ruby -v again its back to 1.8.7? What can I do to make it permanent?– mdcCommented Apr 24, 2012 at 18:33 -
1looks line whatever file you put the eval stuff in isn't being loaded when your shell starts. as en experiment put
echo "hello!"right after it and see if that is printed when you start a new window/shell/terminal. Commented Apr 24, 2012 at 20:05
If the install command isn't working for you with rbenv, you have to install ruby-build.
you should restart the terminal to allow rbenv
$ exec $SHEL
$ ruby -vruby 1.9.3p194 (2012-04-20 revision 35410) [i686-linux]
